Is the 2018 Nissan Sentra a bad year?
185 owner complaints to NHTSA. Transmission complaints: 46, 4.6× a quiet Sentra year.
Keep it, but watch the transmission
Half of the transmission complaints for this year were filed at 42k–100k miles, where you are now.
The verdict moves with mileage: the same car reads differently at 30,000 and at 150,000 miles.
What 2018 Sentra owners report, by mileage
Each system owners named in five or more complaints, with the mileage range where the middle half of those complaints were filed. Read at 66,000 miles.
| SYSTEM | COMPLAINTS | MIDDLE HALF FILED AT | TYPICAL US REPAIR BILLS |
|---|---|---|---|
| Transmission and drivetrainSTANDS OUT | 46 (25%) | 42k–100k miles · around this mileage | CV axle / CV joint replacement (one side) $300–$1,500 · Automatic transmission replacement $2,500–$7,000 |
| Exterior lighting | 15 (8%) | 30k–80k miles · around this mileage | — |
| BrakesSTANDS OUT | 40 (22%) | 24k–45k miles · mostly behind | Brake pad replacement (one axle) $115–$390 · Brake pads and rotors replacement (one axle) $200–$1,084 |
| Electrical system | 32 (17%) | 18k–46k miles · mostly behind | — |
| Engine | 22 (12%) | 22k–63k miles · mostly behind | — |
| Speed control | 19 (10%) | 9k–41k miles · mostly behind | — |
| Air bags | 9 (5%) | 19k–56k miles · mostly behind | — |
| Collision avoidance | 24 (13%) | too few with a mileage | — |
| Fuel system | 7 (4%) | too few with a mileage | — |
| Stability control | 7 (4%) | too few with a mileage | — |
| Steering | 6 (3%) | too few with a mileage | — |
| Seat belts | 5 (3%) | too few with a mileage | — |
Bills are typical US ranges from the sources named in the tool (J.D. Power, Kelley Blue Book, CarParts.com and others), printed only for systems that stand out or sit at or ahead of 66,000 miles. Not a quote.
What owners reported alongside their complaints
Of 185 complaints: 17 mention a crash · 3 mention a fire · 9 report an injury · 20 say the car was towed.
7 complaints were filed in the last 12 months, the newest in Aug 2026.
Counts of what owners wrote in their complaints, not verified by anyone.
Recalls for the 2018 Nissan Sentra: 2
The brake light switch may become contaminated, preventing the circuit from closing and the brake lights from illuminating. The brake lights may not illuminate, increasing the risk of a crash.
The back-up camera and display settings can be adjusted such that the rear view image is no longer visible and the system will retain that setting the next time the vehicle is placed in reverse. The lack of an image in the back-up camera display increases the risk of a crash.
A recall may cover only some cars of a model year; the campaign size counts every model and year it lists. Enter your VIN at nhtsa.gov/recalls: dealers fix open recalls free.
Service bulletins from Nissan: 62
Repair instructions Nissan sent its dealers for symptoms seen in the shop on the 2018 Nissan Sentra. Ask a dealer or mechanic for a bulletin by its number.
Clicking noise from front or rear axle during take-off/acceleration
For fuel gauge inaccurate with DTCs stored in ECM
EVAP leak DTC P0442, P0455, P0456 information
DTC P0456 caused by EVAP leak at vent control valve o-ring
Neighbouring years
2017 Sentra: 231 complaints, keep it, but watch the transmission · 2019 Sentra: 223 complaints, keep it, but watch the transmission.
Every Nissan Sentra year
2000 · 2001 · 2002 · 2003 · 2004 · 2005 · 2006 · 2007 · 2008 · 2009 · 2010 · 2011 · 2012 · 2013 · 2014 · 2015 · 2016 · 2017 · 2018 · 2019 · 2020 · 2021 · 2022 · 2023 · 2024 · 2025 · 2026 · All Sentra years side by side
Other Nissan models: Nissan 350Z · Nissan 370Z · Nissan Altima · Nissan Armada · Nissan Cube · Nissan Frontier · Nissan Juke · Nissan Kicks · Nissan Leaf · Nissan Maxima · Nissan Murano · Nissan Pathfinder · Nissan Quest · Nissan Rogue · Nissan Rogue Sport · Nissan Titan · Nissan Titan XD · Nissan Versa · Nissan Versa Note · Nissan Xterra. All makes and models.
Questions
Is the 2018 Nissan Sentra a bad year?
185 owner complaints to NHTSA. Transmission complaints: 46, 4.6× a quiet Sentra year. At 66,000 miles the tool says: Keep it, but watch the transmission. Half of the transmission complaints for this year were filed at 42k–100k miles, where you are now.
What are the most common problems with the 2018 Nissan Sentra?
By owner complaints to NHTSA: transmission and drivetrain (46), exterior lighting (15), brakes (40), electrical system (32), engine (22). Half of the transmission complaints were filed between 42k–100k miles.
How many recalls does the 2018 Nissan Sentra have?
2 recall campaigns list this model year: Exterior lighting (NHTSA 21V-135), Backup camera (NHTSA 19V-654). A recall may cover only some cars; check by VIN at nhtsa.gov/recalls.
Method: counts of unverified owner complaints filed with NHTSA, compared only with other years of the same model (sales volumes are unknown, so no failure rate is computed). A system stands out at 40+ complaints and at least twice the model's quiet (lower-quartile) year, or twice the share across every vehicle of that model year. The mileage range is the 25th to 75th percentile of the mileages owners reported. Data received by NHTSA through November 5, 2026. Repair prices are typical US ranges from named sources, not quotes. Not a diagnosis and not financial advice. PulsCar is not affiliated with NHTSA. Check this car at your own mileage.