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The 2018 Nissan Sentra has 185 NHTSA owner complaints and 2 active recall campaigns on file. Here's the breakdown — what's serious, what's noise, and what a working mechanic would actually do about it.
The 2018 Nissan Sentra has 185 NHTSA owner complaints and 2 recalls on file (U.S. federal records, as of September 2026). The most-reported system is powertrain at 45 complaints (~$2,500 to repair). Source: NHTSA Office of Defects Investigation.
| Model year | Owner complaints | Recalls |
|---|---|---|
| 2015 Sentra | 351 | 3 |
| 2016 Sentra | 270 | 6 |
| 2017 Sentra | 230 | 3 |
| 2018 Sentra (this page) | 185 | 2 |
| 2019 Sentra | 221 | 2 |
| 2020 Sentra | 204 | 4 |
| 2021 Sentra | 131 | 3 |
Solid reliability overall. Common issues are concentrated in a few systems.
Worth owning if you verify the specific issues below before you buy.
Our read of the federal NHTSA complaint and recall record for this exact year and model — not a substitute for a pre-purchase inspection. How we score.
Driver-assist features on the tested model: Electronic stability control: Standard · Forward collision warning: Optional · Lane departure warning: No
Source: NHTSA New Car Assessment Program — tested configuration: 2018 Nissan Sentra 4 DR FWD. Stars rate crash protection in NHTSA's tests, not overall reliability — see the owner-complaint data below for what actually goes wrong.
Here's what this model is known to do — so you can inspect for it, price it in, or make the seller fix it before you sign.
⚠ The one to take seriously: brakes is flagged severe on this model . Inspect it closely on a test drive.
Run the VIN from the listing — 2 active recalls on this model. Recall repairs are always free.
Verdict for buyers: 7.2/10 model. The priciest documented failure is engine (~$3,100) — get the seller's service records for it or inspect closely. Otherwise an average-risk used buy at a fair price.
We tell you what this model is known for and what to inspect — a vehicle-history report tells you what this exact car has been through. Smart buyers get both.
See the full pre-purchase inspection checklist →A noise, a warning light, a repair quote, "should I buy this?" — get an answer grounded in this vehicle's actual NHTSA record, not generic advice.
Answers use this vehicle's NHTSA complaint & recall record — owner-reported and unverified, not a diagnosis. Verify anything safety-critical with a mechanic.
On 12/16/19 I reported an issue with the automatic brake system warning it's unavailable. I've had the vehicle in 3 times to fix the issue at metro Nissan in montclair california. They can't fix the problem and know about it from other vehicles. They have now chosen to blame me…
My gas gauge said 60 miles until fill up, I ran out of gas with no warning, no check engine light and no gas light, in the middle of the street. I was not able to wheel it to the side as I was going uphill at the time and the steering went out. Traffic had to avoid hitting me as…
Front radar system turns off and then resets for no apparent reason. Dash message is 'front radar unavailable due to obstruction'. It is tied into the automatic emergency braking system and intelligent cruise control. Happens when vehicle is in motion on varied roadways.…
Automatic emergency braking system sensor frequently lights up with a warning radar unavailable while driving on the highway and local streets. I just got this car and after one day I had to take it back to the dealer. First they said they would replace the sensor. After four…
Drag to your current mileage. Numbers are derived from this vehicle's complaint history.
The brake lights may not illuminate, increasing the risk of a crash.
The lack of an image in the back-up camera display increases the risk of a crash.
Mostly yes. With a reliability score of 7.2 out of 10 based on 185 owner complaints filed with NHTSA, the 2018 Nissan Sentra is generally a sound vehicle. The areas to watch are listed in the top problem section above — most are budget items, not deal-breakers.
The 2018 Nissan Sentra is acceptable, with specific caveats. Worth owning if you verify the specific issues below before you buy. The record behind that call: Reliability score 7.2/10 — around the segment average; 2 recall campaigns on file. This is our read of the federal complaint and recall data — not a substitute for a pre-purchase inspection.
Inspect the powertrain first — it's the most-reported issue on this model, with 45 owner complaints filed. Average repair cost runs about $2,500 at an independent shop. Also confirm any open recalls have been completed by running the VIN, and ask for service records covering the problem areas listed above.
It scores 7.2 out of 10 on our NHTSA-based read of 185 owner complaints. The main thing to watch is powertrain. Priced fairly and clean on inspection, it's a reasonable used buy. Our data covers what this model is known for — pair it with a vehicle-history report on the VIN to see what that specific car has been through.
Based on NHTSA records, the most-reported issue is powertrain, with 45 complaints filed. Average repair cost runs about $2,500 at an independent shop.
The powertrain is one of the costlier repair items. Average repair cost runs about $2,500 at an independent shop. Catching early warning signs can sometimes extend life by 20–30,000 miles.
Paste your VIN into the decoder at the top of this page. We pull live from NHTSA, so you'll see exactly which campaigns apply to your vehicle and whether the dealer has logged the fix. Recall repairs are always free regardless of mileage or warranty status.
Math is straightforward: a quality service contract runs $1,800–3,500 over 3 years. With 185 complaints on file and the costliest repair averaging $2,500, one major failure more than pays for it. The catch is reading the contract — many providers exclude wear items and require pre-authorization, so cheaper plans are not always better value.