PEUGEOT 108 (2021)
Running costs, common problems, and reliability data based on 5,819 real MOT tests in 2024.
MOT Pass Rate
95%
Total Tests (2024)
5,819
Avg Mileage
15,535 mi
Est. Annual Cost
£1,400
Is the 2021 PEUGEOT 108 reliable?
Excellent reliability. Very few MOT failures. That's 13 points above the national average of 82%. It also outperforms the PEUGEOT brand average of 83%.
At 3 years old, 95% of PEUGEOT 108s from 2021 passed their MOT first time in 2024. That's based on 5,819 tests across the UK. The average mileage at this age is 15,535 miles.
How does the 2021 PEUGEOT 108 compare?
Mileage Analysis
The average 2021 PEUGEOT 108 has 15,535 miles on the clock, which is below the expected 22,200 miles for a 3-year-old car. This suggests lighter use than average, which generally means less wear on major components.
Best year to buy a PEUGEOT 108?
The most reliable year is the 2022 model with a 97% MOT pass rate, while the 2014 model has the lowest at 83%. The 2021 sits between the two at 95%.
How much does a 2021 PEUGEOT 108 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 108 by Year
Checking a specific PEUGEOT 108?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2021 PEUGEOT 108
The 2021 PEUGEOT 108 is a city car with a 998cc petrol engine. 5,819 of these vehicles were MOT tested in 2024, making it a reasonably common sight on UK roads. It ranks in the top 22% of all 2021 cars for reliability.
With an average of 15,535 miles at 3 years old, PEUGEOT 108 owners tend to use this car less than the typical driver.
2021 PEUGEOT 108 Fuel Costs
The modest 998cc 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 108?
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 95% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
PEUGEOT 108 Reliability Trend
Newer PEUGEOT 108s show better MOT pass rates than older ones, with an average improvement of 7 percentage points.
Buying a Used 2021 PEUGEOT 108
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 2022 model has the highest pass rate at 97%. With 5,819 MOT tests in our data, there's strong statistical confidence in these figures.
Alternatives to the 2021 PEUGEOT 108
The PEUGEOT 108 is actually the most reliable option among similar petrol city cars from this era. Here are comparable petrol cars with similar engines:
- FORD FIESTA (2019) 91% pass rate (-4%) from 124,950 tests
- VOLKSWAGEN GOLF (2019) 92% pass rate (-3%) from 89,653 tests
- VAUXHALL CORSA (2019) 88% pass rate (-7%) from 68,639 tests
- AUDI A3 (2019) 92% pass rate (-3%) from 41,215 tests