Peugeot 508
Reliability, running costs, and MOT data across 11 years from 34,650 real MOT tests.
Avg Pass Rate
84%
Total Tests
34,650
Best Year
2018 (95%)
Years Covered
11
About the Peugeot 508
The Peugeot 508 has been tested 34,650 times in 2026 MOT data across 11 model years (2011 to 2021), with an average pass rate of 84%. That's slightly above the national average of 82%. Available as diesel and ED.
Best and Worst Years
The 2018 model is the most reliable with a 95% pass rate from 1,026 tests. The 2013 model has the lowest at 77%. With a 18 point spread, choosing the right year makes a big difference to reliability.
Reliability Trend
Newer PEUGEOT 508s show better MOT pass rates than older ones, with an average improvement of 9 percentage points.
Mileage Across Years
The oldest model in our data (2011) averages 126,235 miles, while the newest (2021) averages 35,816 miles. Older models have covered serious mileage, so suspension and drivetrain wear are worth checking.
Estimated Running Costs
Based on 7,400 miles/year, current fuel prices, and MOT pass rate data. Insurance not included.
Full 2021 detailsHow reliable is the Peugeot 508?
Peugeot 508 by Year
Click any year to see detailed running costs, reliability data, and comparisons with similar cars.
Peugeot 508 Guides & Articles
Petrol vs Diesel in 2026: Which Actually Costs Less to Own?
8 min read
Running CostsCheapest Cars to Run in 2026: Real Data from 19.8 Million MOT Tests
9 min read
Running CostsCheapest Cars to Insure in the UK: Insurance Groups 1-10
9 min read
Buying GuideFord Fiesta Common Problems (2026): What to Check Before Buying
13 min read
ReliabilityFord Puma Problems: 7 Issues Owners Report (2026)
13 min read
Checking a specific Peugeot 508?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.