Peugeot 508 GT S/S PHEV Auto
Reliability, estimated running costs, and MOT data across 2 model years from 353 MOT tests in 2024.
Avg Pass Rate
88%
Total Tests
353
Highest Pass Rate
2021 (91%)
Years Covered
2
About the Peugeot 508 GT S/S PHEV Auto
The Peugeot 508 GT S/S PHEV Auto was MOT tested 353 times in 2024 (DVSA data, retests included) across 2 model years (2020 to 2021), with an average pass rate of 88%. That's comfortably above the average of 82% across all models in our data. Our records list hybrid versions.
Best and Worst Years
Of the years with at least 100 tests, the 2021 model has the highest pass rate at 91% from 113 tests. The 2020 model has the lowest at 85%. The 6 point gap means pass rates vary somewhat between years, but no year is dramatically different. Newer cars usually pass more often simply because they are younger.
Mileage Across Years
The oldest model in our data (2020) averages 38,999 miles, while the newest (2021) averages 36,117 miles.
Compared to the Peugeot brand average of 83%, the 508 GT S/S PHEV Auto performs 5 points better, making it one of the more reliable options in the Peugeot range.
Estimated Running Costs
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 detailsHow reliable is the Peugeot 508 GT S/S PHEV Auto?
Peugeot 508 GT S/S PHEV Auto by Year
Click any year to see detailed running costs, reliability data, and comparisons with similar cars.
Questions about the Peugeot 508 GT S/S PHEV Auto
Is the Peugeot 508 GT S/S PHEV Auto reliable?
Across its 2 model years in our data (2020 to 2021), the Peugeot 508 GT S/S PHEV Auto averages an 88% MOT pass rate, from 353 tests (DVSA MOT data for tests in 2024, retests included). That's 6 points above the average of 82% across all models in the same data. The 2021 model has the highest pass rate of the years with at least 100 tests, at 91%.
Which year Peugeot 508 GT S/S PHEV Auto has the best MOT pass rate?
Of the years with at least 100 tests, the 2021 Peugeot 508 GT S/S PHEV Auto has the highest MOT pass rate at 91%, while the 2020 model has the lowest at 85%, a 6 point gap. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.
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