PEUGEOT 308 (2021)
Running costs, common problems, and reliability data based on 1,072 real MOT tests in 2024.
MOT Pass Rate
90%
Total Tests (2024)
1,072
Avg Mileage
47,318 mi
Est. Annual Cost
£1,400
Is the 2021 PEUGEOT 308 reliable?
Excellent reliability. Very few MOT failures. That's 8 points above the national average of 82%. It also outperforms the PEUGEOT brand average of 83%.
At 3 years old, 90% of PEUGEOT 308s from 2021 passed their MOT first time in 2024. That's based on 1,072 tests across the UK. The average mileage at this age is 47,318 miles.
How does the 2021 PEUGEOT 308 compare?
Mileage Analysis
The average 2021 PEUGEOT 308 has 47,318 miles on the clock, which is well above the expected 22,200 miles for a 3-year-old car. Check service history carefully, as high-mileage cars need consistent maintenance to stay reliable.
Best year to buy a PEUGEOT 308?
The most reliable year is the 2020 model with a 91% MOT pass rate, while the 2007 model has the lowest at 66%. The 2021 sits between the two at 90%.
How much does a 2021 PEUGEOT 308 cost to run?
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.
PEUGEOT 308 by Year
| Year | Pass Rate | Tests | Avg Mileage |
|---|---|---|---|
| 2021 | 90% | 1,072 | 47,318 mi |
| 2020 | 91% | 5,513 | 35,327 mi |
| 2019 | 89% | 11,682 | 45,523 mi |
| 2018 | 85% | 14,625 | 55,056 mi |
| 2017 | 83% | 15,930 | 65,154 mi |
| 2016 | 81% | 25,851 | 73,237 mi |
| 2015 | 80% | 25,169 | 81,569 mi |
| 2014 | 77% | 21,978 | 85,501 mi |
| 2013 | 75% | 18,528 | 91,359 mi |
| 2012 | 75% | 18,511 | 96,720 mi |
| 2011 | 74% | 17,785 | 98,469 mi |
| 2010 | 71% | 23,677 | 101,138 mi |
| 2009 | 70% | 22,832 | 104,084 mi |
| 2008 | 68% | 16,248 | 106,310 mi |
| 2007 | 66% | 1,771 | 105,002 mi |
Checking a specific PEUGEOT 308?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2021 PEUGEOT 308
The 2021 PEUGEOT 308 is a city car with a 1200cc petrol engine. 1,072 of these vehicles were MOT tested in 2024, making it a reasonably common sight on UK roads. Among all cars from 2021, the average MOT pass rate is 92%, and this model falls short of that benchmark.
With an average of 47,318 miles at 3 years old, PEUGEOT 308 owners cover more miles than the average driver. High-mileage examples should be checked carefully for wear on suspension, brakes, and drivetrain components.
2021 PEUGEOT 308 Fuel Costs
The modest 1200cc petrol engine keeps fuel costs low, which is a real advantage for a city car. Expect around 50 mpg in mixed driving, which works out to roughly £955 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).
What does it cost to own a 2021 PEUGEOT 308?
Total estimated annual running cost is £1,400 (£117/month), broken down as £955 fuel, £190 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 90% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
PEUGEOT 308 Reliability Trend
Newer PEUGEOT 308s show better MOT pass rates than older ones, with an average improvement of 13 percentage points.
Buying a Used 2021 PEUGEOT 308
At 3 years old, this is still relatively fresh. You may find examples with remaining manufacturer warranty. Depreciation is slowing but hasn't bottomed out yet. If you're flexible on year, the 2020 model has the highest pass rate at 91%.
Alternatives to the 2021 PEUGEOT 308
If reliability is your priority, there are 3 similar cars with a higher MOT pass rate. Here are comparable petrol cars with similar engines:
- FORD FIESTA (2019) 91% pass rate (+1%) from 124,950 tests
- VOLKSWAGEN GOLF (2019) 92% pass rate (+2%) from 89,653 tests
- VAUXHALL CORSA (2019) 88% pass rate (-2%) from 68,639 tests
- NISSAN QASHQAI (2020) 93% pass rate (+3%) from 52,321 tests