Honda Civic

Honda Civic Transmission Database

Honda Civic Transmission Database
20+ transmissions
4 types
1992–Present
US Market
Transmission Types
Manual (5MT / 6MT)
Automatic (4AT / 5AT)
CVT
eCVT Hybrid

How to use this database: Use this database to identify which transmission was installed in a specific Civic generation and compare transmission types, gear ratios, fluid requirements, reliability, and common issues. Click any transmission code for detailed specifications. Perfect for buyers, owners, and enthusiasts researching Civic transmissions.

⚙️ Honda Civic · Transmission Guide 1 / 3
Fluid & Service Interval
Cheat Sheet
All transmissions · US market · Golden rules

⚙️
Manual (5MT / 6MT)
8th–11th Gen Si & Type R
60–100k
miles
Fluid Honda MTF
✅ Most forgiving — change at 60k to be safe
🔄
Automatic (5AT)
8th & 9th Gen base models
60k
miles
Fluid Honda ATF DW-1
✅ DW-1 only — no universal ATF substitutes
⚠️
CVT (Variable)
10th & 11th Gen base models
30k
miles · CRITICAL
Fluid Honda HCF-2 ONLY
🚨 Wrong fluid destroys the CVT belt — no exceptions
⚠️ Honda Civic · Transmission Guide 2 / 3
Buyer Alert: 8th Gen Si
3rd Gear Grind Issue
P3C transmission · 2006–2008 models only

⚠️
Known Factory Defect
3rd gear synchro failure on early P3C transmissions — pops out of gear under hard acceleration
Affected vs. Fixed
2006–08
⚠️ Affected
Inspect before buying
2009–11
✅ Fixed
Updated synchros
🔊
Grinding or crunching noise when shifting into 3rd above 5,000 RPM
👋
Gear pops back to neutral under hard acceleration in 3rd
🔧
Test drive: rev to 6,500 RPM in 2nd, snap shift to 3rd — grind = bad synchro
Rebuild / Replacement Cost
Shop labor · used trans or rebuild kit
$800–$2,500
🔬 Honda Civic · Transmission Guide 3 / 3
Belt CVT vs. Hybrid eCVT
Same Name, Different Machine
10th–11th Gen · Architecture comparison

⚙️
Belt CVT
9th–11th Gen base · L15B7/L15CA
33–36
MPG combined
Proven, widely serviced
Lower repair cost
Steel belt wears with wrong fluid
30k mi fluid change mandatory
⚡
eCVT Hybrid
11th Gen e:HEV · LFC-H4
49–50
MPG combined
No belt or pulleys to wear
Planetary gearset — massive lifespan
Higher collision repair cost
Specialist required for HV system
🔬
Key difference: The belt CVT uses a steel push-belt between two variable-diameter pulleys — it physically wears. The eCVT uses two electric motors and a planetary gear set with no belt at all. Honda’s eCVT is fundamentally more durable by design.
eCVT fluid: Uses Honda e-CVT fluid (separate from HCF-2). Change interval 30k mi — same discipline required. Never cross-contaminate with belt CVT fluid.

The Honda Civic has used a wide range of transmissions throughout its history, from traditional manual gearboxes and torque-converter automatics to modern CVT and hybrid eCVT systems. This database covers Civic transmissions sold in the North American market, including transmission types, applications, specifications, reliability, service requirements, and common problems. Whether you are researching a used Civic purchase, planning a swap, or simply curious about the differences between the 5-speed automatic and the modern CVT, this guide provides the technical details you need. Each transmission listing includes type, gear count, technology, years, engine compatibility, fluid type, and real-world reliability insights drawn from owner data and Honda service bulletins.

Honda Civic Transmission Specifications — Complete Guide by Generation

All Civic Transmissions: Manual, Automatic, CVT, and eCVT Hybrid

Transmission CodeTypeFamilyGearsTechnologyYearsGenerationsEngine CompatibilityModels / TrimsFluidReliabilityCommon Issues
S40Manual5MT5-speedConventional1992–20005th–6thD15B, D16Z6, D16Y7CX, DX, LX, EXHonda MTFExcellentSynchro wear (high mileage), reverse lockout
Y21Manual5MT5-speedPerformance1999–20006th SiB16A2Si (EM1)Honda MTFExcellentLimited-slip wear, VTEC solenoid
S5AManual5MT5-speedConventional2001–20057thD17A1, D17A2DX, LX, EXHonda MTFGoodSynchro wear, 1st gear grind
A2A4Manual5MT5-speedClose Ratio2002–20057th SiK20A3Si (EP3)Honda MTFVery Good1st gear grind (early), chain tensioner
B4AAutomatic5AT5-speedTorque Converter2006–20118thR18A1DX, LX, EXATF DW-1ExcellentSolenoid issues, torque converter
P3CManual6MT6-speedClose Ratio2006–20118th SiK20Z3SiHonda MTFExcellent3rd gear grind (2006–2008), chain tensioner
H5AAutomatic5AT5-speedTorque Converter2012–20139thR18Z1LX, EXATF DW-1ExcellentMaintenance neglect, torque converter
Y2M4Manual6MT6-speedClose Ratio2012–20159th SiK24Z7SiHonda MTFVery GoodClutch wear, VTC actuator noise
HCF-2CVTCVT—Belt CVT2014–20159thR18Z1LX, EXHCF-2GoodFluid neglect, judder, belt wear
M6HAManual6MT6-speedClose Ratio2017–202110th SiL15B7SiHonda MTFVery GoodClutch wear, 2nd gear notchiness (cold)
RL4FCVTCVT—Belt CVT2016–202110thK20C2, L15B7LX, Sport, EX, TouringHCF-2GoodFluid neglect, judder, belt wear
M6HA Type RManual6MT6-speedPerformance2017–2021Type RK20C1Type RHonda MTFExcellentClutch wear (track use), 2nd gear lockout (high RPM)
M6HA-2Manual6MT6-speedClose Ratio2022–present11th SiL15CASiHonda MTFVery GoodClutch wear, 1st–2nd notchiness (cold)
RL4FCVTCVT—Belt CVT2022–present11thK20C2, L15CALX, Sport, EX, TouringHCF-2GoodFluid neglect, judder, belt wear
M6HA Type RManual6MT6-speedPerformance2023–presentType RK20C1Type RHonda MTFExcellentClutch wear (track use), revised shift linkage
eCVTeCVT HybrideCVT—Electric Motor Gearset2025–present11th HybridLFC-H4Sport Hybrid, Sport Touring HybridHonda Hybrid FluidExcellentToo new for established patterns
HondamaticAutomatic4AT4-speedSemi-auto / Torque Converter1973–19871st–3rdEB/ED seriesCVCC, base modelsATFGoodAge-related seal failure, slipping
4ATAutomatic4AT4-speedTorque Converter1987–19954th–5thD15B, D16Z6CX, DX, LX, EXATFVery GoodSolenoid wear, fluid neglect
4AT-2Automatic4AT4-speedTorque Converter1995–20056th–7thD16Y7, D16Y8, D17A1/A2DX, LX, EXATFGoodSolenoid issues, torque converter lock-up

Sources: Honda factory service manuals, Honda Newsroom press releases, EPA fuel economy data, NHTSA TSB database, and owner-reported reliability from civicx.com, 8thcivic.com, 9thgencivic.com, and 11thgenforum.com. Reliability ratings: Excellent (no major issues), Very Good (minor issues), Good (known issues, manageable), Fair (significant issues to monitor).

Honda Civic Transmission Types — What Each One Does

Manual Transmissions (5MT / 6MT)

Honda has offered manual transmissions in the Civic since 1973. The 5-speed manual was the standard transmission through the 9th generation, with 6-speed manuals arriving in the 8th generation Si. Manual transmissions are prized for their reliability, driver engagement, and lower maintenance costs. The 6-speed manual in the Si and Type R features close-ratio gearing, helical limited-slip differentials, and precise shift feel. The Type R’s 6-speed manual includes automatic rev-matching for seamless downshifts. Manual transmissions require periodic fluid changes (Honda MTF) every 60,000–100,000 miles. Common issues include synchro wear (especially 3rd gear on 8th gen Si) and clutch wear on high-mileage or tracked cars. The manual is the most reliable transmission option in the Civic lineup.

Key manual transmissions: S40 (5MT, D-series), Y21 (5MT, B16A2), P3C (6MT, K20Z3), M6HA (6MT, L15B7/L15CA/K20C1). Fluid: Honda MTF.

Automatic Transmissions (4AT / 5AT)

Honda’s conventional automatics evolved from the 2-speed Hondamatic (1973–1987) to 4-speed units (1987–2005) and finally 5-speed units (2006–2013). The 5-speed automatic in the 8th and 9th generations features Grade Logic Control and lock-up torque converters for improved efficiency. These transmissions are known for their durability when properly maintained, though solenoid failures and torque converter issues can occur at higher mileages. The 5-speed automatic was phased out in favor of the CVT starting in 2014. Regular fluid changes (ATF DW-1) every 60,000 miles are essential for longevity. The 7th generation (2001–2005) automatics are the least reliable — buyers should avoid these models or budget for transmission repairs.

Key automatic transmissions: Hondamatic 4-speed (1973–1987), 4AT (1987–2005), B4A 5AT (8th gen), H5A 5AT (9th gen). Fluid: Honda ATF DW-1 (supersedes ATF-Z1).

CVT — Continuously Variable Transmission (2014–Present)

The Continuously Variable Transmission arrived in the Civic in 2014 and has since become the dominant automatic option. Using a steel belt and variable pulleys, the CVT keeps the engine in its most efficient RPM range, improving fuel economy. The CVT requires Honda HCF-2 fluid and regular maintenance. CVT reliability improved significantly after the 9th generation; the 10th and 11th generation units are generally reliable but remain sensitive to fluid neglect. Owners report that regular fluid changes (every 30,000 miles) are critical for longevity. The CVT is available on 9th generation (2014–2015), 10th generation (2016–2021), and 11th generation (2022–present) Civics. It is paired with the R18, K20C2, L15B7, and L15CA engines. The CVT is the standard automatic transmission on most trims, with the 6-speed manual available on Sport, Si, and Type R models.

Key CVT transmissions: HCF-2 (9th gen), M6HA CVT (10th gen), M6HA CVT2 (11th gen). Fluid: Honda HCF-2. Service interval: 30,000 miles.

eCVT Hybrid — The Future (2025–Present)

The eCVT in the 11th generation Civic Hybrid is not a traditional CVT. It uses a pair of electric motor-generators and a planetary gearset to blend engine and electric power, eliminating the steel belt and pulleys. This design is more efficient, more durable, and requires less maintenance than a conventional CVT. The eCVT delivers seamless power delivery and excellent fuel economy — 49–50 MPG combined. The eCVT is available on the Sport Hybrid and Sport Touring Hybrid trims. Early reliability data is promising, though long-term hybrid battery degradation and electric motor durability are unproven at high mileage. The eCVT uses Honda Hybrid Fluid, and service intervals have not yet been fully established. The eCVT is a completely different architecture than a belt-driven CVT — it is essentially an electric drive unit with a planetary gearset.

Key eCVT: eCVT (LFC-H4, 11th gen Hybrid). Fluid: Honda Hybrid Fluid.

Honda Civic Transmission Families — What Makes Each Unique

While the table above shows specifications, understanding the engineering philosophy behind each transmission type explains why certain transmissions are more reliable, more engaging, or better suited for different driving styles. Here is what sets each family apart.

Manual Transmissions — The Enthusiast’s Choice

Honda has offered manual transmissions in the Civic since its introduction. Early 4-speed manuals gave way to 5-speed units in the 1980s, with 6-speed gearboxes arriving in the 8th generation Si. The 6-speed manual in the Type R and Si models features close-ratio gearing, helical limited-slip differentials, and precise shift feel. Manual transmissions are prized for their reliability, engagement, and lower maintenance costs compared to automatics and CVTs.

Automatic Transmissions — The Traditional Choice

Honda’s conventional automatics evolved from the 2-speed Hondamatic to 4-speed and 5-speed torque-converter units. The 5-speed automatic introduced in the 8th generation (2006) was Honda’s most advanced conventional automatic, featuring Grade Logic Control and lock-up torque converters. These transmissions are known for their durability when properly maintained, though solenoid failures and torque converter issues can occur at higher mileages.

CVT — The Efficiency Revolution

The Continuously Variable Transmission arrived in the Civic in 2014 and has since become the dominant automatic option. Using a steel belt and variable pulleys, the CVT keeps the engine in its most efficient RPM range, improving fuel economy. The CVT requires Honda HCF-2 fluid and regular maintenance. CVT reliability improved significantly after the 9th generation; the 10th and 11th generation units are generally reliable but remain sensitive to fluid neglect.

eCVT Hybrid — The Future

The eCVT in the 11th generation Civic Hybrid is not a traditional CVT. It uses a pair of electric motor-generators and a planetary gearset to blend engine and electric power, eliminating the steel belt and pulleys. This design is more efficient, more durable, and requires less maintenance than a conventional CVT. The eCVT delivers seamless power delivery and excellent fuel economy — 49–50 MPG combined.

Transmission Availability by Generation

GenerationYearsManualAutomaticCVTHybrid
1st–3rd1973–19874MT2AT (Hondamatic)——
4th–5th1987–19955MT4AT——
6th–7th1995–20055MT / 6MT (Si)4AT / 5AT——
8th2006–20115MT / 6MT (Si)5AT—CVT (Hybrid)
9th2012–20155MT / 6MT (Si)5AT (2012–13)CVT (2014–15)CVT (Hybrid)
10th2016–20216MT (Si, Sport, Type R)—CVT—
11th2022–present6MT (Si, Type R only)—CVTeCVT

Which Transmission Should You Choose?

For Reliability

Manual transmissions (5MT/6MT) are the most reliable. 5-speed automatics (8th–9th gen) are also excellent when maintained. CVTs require the most attention — regular fluid changes are critical. eCVT is too new for long-term data.

For Driving Engagement

6-speed manuals in Si and Type R offer the best engagement. The 8th gen Si’s 6MT with 8,000 RPM redline is legendary. The Type R’s 6MT with rev-matching is the most advanced manual Honda offers.

For Fuel Economy

CVT delivers the best fuel economy among non-hybrids (33–36 MPG). eCVT hybrid delivers 49–50 MPG — the most fuel-efficient Civic ever. 5-speed automatics are the least efficient (29–33 MPG).

For Maintenance Cost

Manual transmissions have the lowest maintenance costs. 5-speed automatics are moderate. CVTs require more frequent fluid changes (every 30,000 miles) and are more expensive to repair. eCVT has unknown long-term costs.

FAQ — 20 Most Frequently Asked Questions About Honda Civic Transmissions

1. What is the most reliable Honda Civic transmission?

Manual transmissions (5MT and 6MT) are the most reliable Honda Civic transmissions. The 5-speed automatic in the 8th and 9th generations is also highly reliable when properly maintained. CVTs are reliable but require more frequent fluid changes (every 30,000 miles). The eCVT in the hybrid is too new for long-term data but shows promise due to its simpler design.

2. Which Honda Civic has a CVT?

The CVT is available on 9th generation (2014–2015), 10th generation (2016–2021), and 11th generation (2022–present) Civics. It is paired with the R18, K20C2, L15B7, and L15CA engines. The CVT is the standard automatic transmission on most trims, with the 6-speed manual available on Sport, Si, and Type R models.

3. Is the Honda Civic CVT reliable?

Yes, with proper maintenance. The 10th and 11th generation CVTs are generally reliable. The key to longevity is regular fluid changes — Honda recommends inspecting the CVT fluid every 30,000 miles and replacing it as needed. CVT failures are often caused by fluid neglect, not design defects. The 9th generation CVT had some early issues, but Honda improved the design in later generations.

4. What transmission fluid does Honda Civic use?

Manual transmissions use Honda MTF (Manual Transmission Fluid). 4-speed and 5-speed automatics use Honda ATF (ATF-Z1, superseded by DW-1). CVTs use Honda HCF-2 fluid. The eCVT in the hybrid uses Honda Hybrid Fluid. Using the correct fluid is critical — generic ATF or CVT fluid can cause shudder, harsh shifts, or transmission failure.

5. Which Civic generations have manual transmissions?

All Civic generations from 1973 to present have offered manual transmissions. The availability varies by trim: 5-speed manuals were standard on base trims through the 9th generation. 6-speed manuals are available on Sport, Si, and Type R trims in the 10th and 11th generations. The 11th generation Si and Type R are manual-only.

6. How often should I change Honda Civic transmission fluid?

Manual transmission fluid (MTF) should be changed every 60,000–100,000 miles. 5-speed automatic fluid (ATF) every 60,000 miles. CVT fluid (HCF-2) every 30,000 miles — this is critical for CVT longevity. eCVT hybrid fluid intervals are not yet established but are expected to be longer due to the simpler design. Always follow the Maintenance Minder or owner’s manual for your specific model.

7. What is the difference between CVT and eCVT?

A CVT uses a steel belt and variable pulleys to change ratios continuously. An eCVT uses electric motors and a planetary gearset — no belt or pulleys. The eCVT is more efficient, more durable, and requires less maintenance. The eCVT is only available in the 11th generation Civic Hybrid (2025+).

8. Which Civic transmissions have issues?

7th generation (2001–2005) automatic transmissions are known for premature failure — this was a problematic generation for Honda automatics. Early 8th generation (2006–2008) Si 6-speeds had 3rd gear grind issues. CVTs are reliable if maintained but can develop judder if fluid is neglected. The 7th generation manual transmissions also had synchro wear issues, particularly in the 2001–2003 models.

9. Should I buy a Civic with a manual or CVT?

Choose a manual if you value driving engagement, reliability, and lower maintenance costs. Choose a CVT if you prioritize fuel economy (33–36 MPG) and ease of driving in traffic. The manual is available on Sport, Si, and Type R trims; the CVT is the only automatic option on most trims. If you’re buying a used Civic, manual transmissions generally have fewer reported problems.

10. Which Civic transmission is best for daily driving?

The CVT is excellent for daily driving — it’s smooth, efficient, and easy to drive in traffic. The 6-speed manual in the Si and Type R offers more engagement but requires more effort in stop-and-go traffic. The 5-speed automatic in 8th and 9th gen Civics is also a good daily driver, though less efficient than the CVT.

11. Is the 5-speed automatic in the 8th gen Civic reliable?

Yes, the 5-speed automatic in the 8th generation (2006–2011) is reliable when maintained. Common issues include solenoid wear and torque converter lock-up problems at higher mileages. Regular fluid changes (every 60,000 miles) are essential. The 8th gen 5AT is considered more durable than the 7th gen automatic.

12. Which Civic transmission has the best fuel economy?

The eCVT hybrid delivers 49–50 MPG — the best in Civic history. Among non-hybrids, the CVT (10th/11th gen) delivers 33–36 MPG, which is better than the 5-speed automatic (29–33 MPG). Manual transmissions typically achieve slightly better fuel economy than automatics but less than CVTs.

13. Is the 6-speed manual in the Type R reliable?

Yes, the 6-speed manual in the FK8 and FL5 Type R is reliable. Early FK8 models (2017–2018) had some reports of 2nd gear lockout at high RPM, but Honda revised the shift linkage. Clutch wear is the main concern, especially for track use. The FL5 (2023+) has improved shift feel and durability.

14. What is the 3rd gear grind on the 8th gen Si?

The 8th generation Si (2006–2008) has a well-documented 3rd gear synchro wear issue. When shifting into 3rd gear at high RPM, the transmission may grind or resist engagement. Honda updated the synchro design for 2009+ models. Repair costs range from $800 to $2,500 for a transmission rebuild. This is the most common issue with the 8th gen Si transmission.

15. How do I check my Civic transmission fluid level?

For automatics (4AT/5AT), check the dipstick with the engine warm, on level ground, after shifting through all gears. Fluid should be red and between the marks. For manuals and CVTs, check at the side fill plug — fluid should be just at the lip. Manuals and CVTs do not have a dipstick.

16. What happens if I use the wrong transmission fluid?

Using the wrong fluid can cause shudder, harsh shifts, slipping, or transmission failure. CVTs require Honda HCF-2 specifically — generic CVT fluid may not provide the correct friction characteristics. 5-speed automatics require ATF DW-1 (superseding ATF-Z1). Always use Honda-specified fluid or a high-quality equivalent that explicitly states Honda compatibility.

17. How long do Honda Civic transmissions last?

Manual transmissions can last 200,000+ miles with proper maintenance. 5-speed automatics typically last 150,000–200,000 miles with regular fluid changes. CVTs can last 150,000+ miles if maintained (fluid changes every 30,000 miles). eCVT longevity is unknown but expected to be longer due to the simpler design. Neglected fluid is the leading cause of transmission failure.

18. What is a transmission drain-and-fill vs. flush?

A drain-and-fill replaces only the fluid in the pan (about 30–40% of total capacity). A power flush replaces all fluid using a machine. Honda recommends drain-and-fill — it’s gentler on seals and solenoids. Two or three drain-and-fills with short drives in between renews most of the fluid without the risks of power flushing.

19. Why does my Civic shudder when accelerating?

Shudder on acceleration is a common symptom of CVT fluid degradation or low fluid level. It can also be caused by torque converter issues on 5-speed automatics. Check the fluid level and condition first — if the fluid is dark or burnt, a drain-and-fill may resolve the issue. If the problem persists, have the transmission inspected by a specialist.

20. Which Civic transmissions are available with a manual?

Manual transmissions are available on the following Civic trims: 5-speed manual on 8th and 9th gen LX/EX; 6-speed manual on 8th/9th gen Si; 6-speed manual on 10th/11th gen Si and Type R; 6-speed manual on 10th/11th gen Sport and Sport Touring hatchbacks. The 11th gen Si and Type R are manual-only.

📚 More from Performance

🏎️ Mods & Tuning🔄 Swaps🔧 Engines🔄 Wheels & Tires