Peugeot 508

Reliability, estimated running costs, and MOT data across 11 model years from 34,650 MOT tests in 2024.

Avg Pass Rate

84%

Total Tests

34,650

Highest Pass Rate

2018 (95%)

Years Covered

About the Peugeot 508

The Peugeot 508 was MOT tested 34,650 times in 2024 (DVSA data, retests included) across 11 model years (2011 to 2021), with an average pass rate of 84%. That's slightly above the average of 82% across all models in our data. Our records list diesel and diesel hybrid versions.

Best and Worst Years

Of the years with at least 100 tests, the 2018 model has the highest pass rate at 95% from 1,026 tests. The 2013 model has the lowest at 77%. With a 18 point gap, the year you choose makes a real difference. Newer cars usually pass more often simply because they are younger.

Reliability Trend

Newer Peugeot 508s pass their MOT more often than older ones, by 9 percentage points on average, which is mostly down to age and wear.

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

Fuel (Diesel, 1997cc)

£1,397

Road Tax

£200

MOT Test

£55

Predicted Repairs

£350

Total per year£2,002

Per month£167/mo

Based on 7,400 miles/year, average pump prices of 174.57p petrol and 199.33p diesel (GOV.UK weekly road fuel prices, week of 19 October 2026), and MOT pass rate data. Insurance not included.

Full 2021 details

How reliable is the Peugeot 508?

vs average of all models+2% (82% avg)

vs Peugeot brand average+1% (83% avg)

Best to worst year spread18 percentage points

Reliability trendImproving over years

Peugeot 508 by Year

Click any year to see detailed running costs, reliability data, and comparisons with similar cars.

Year	Pass Rate	Tests	Avg Mileage
2021	88%	1,948	35,816 mi
2020	87%	2,662	47,497 mi
2019	89%	4,928	47,447 mi
2018	95%	1,026	44,103 mi
2017	85%	765	76,001 mi
2016	81%	1,676	84,224 mi
2015	81%	1,974	96,741 mi
2014	80%	2,630	104,798 mi
2013	77%	5,473	114,840 mi
2012	78%	6,805	124,465 mi
2011	78%	4,763	126,235 mi

Questions about the Peugeot 508

Is the Peugeot 508 reliable?

Across its 11 model years in our data (2011 to 2021), the Peugeot 508 averages an 84% MOT pass rate, from 34,650 tests (DVSA MOT data for tests in 2024, retests included). That's 2 points above the average of 82% across all models in the same data. The 2018 model has the highest pass rate of the years with at least 100 tests, at 95%.

Which year Peugeot 508 has the best MOT pass rate?

Of the years with at least 100 tests, the 2018 Peugeot 508 has the highest MOT pass rate at 95%, while the 2013 model has the lowest at 77%, a 18 point gap. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.