CarCostCheck

Peugeot 508 gt s/s phev auto

Reliability, running costs, and MOT data across 2 years from 353 real MOT tests.

Avg Pass Rate

88%

Total Tests

353

Best Year

2021 (91%)

Years Covered

2

About the Peugeot 508 gt s/s phev auto

The Peugeot 508 gt s/s phev auto has been tested 353 times in 2026 MOT data across 2 model years (2020 to 2021), with an average pass rate of 88%. That's comfortably above the national average of 82%, making it a reliable choice. Available as hybrid.

Best and Worst Years

The 2021 model is the most reliable with a 91% pass rate from 113 tests. The 2020 model has the lowest at 85%. The 6 point spread between years means reliability varies somewhat, but no year is dramatically different.

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

Fuel (Hybrid, 1600cc)
£1,137
Road Tax
£195
MOT Test
£55
Predicted Repairs
£200
Total per year£1,587
Per month£132/mo

Based on 7,400 miles/year, current fuel prices, and MOT pass rate data. Insurance not included.

Full 2021 details

How reliable is the Peugeot 508 gt s/s phev auto?

vs national average+6% (82% avg)
vs Peugeot brand average+5% (83% avg)
Best to worst year spread6 percentage points

Peugeot 508 gt s/s phev auto by Year

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

YearPass RateTestsAvg Mileage
202191%11336,117 mi
202085%24038,999 mi

Peugeot 508 gt s/s phev auto Guides & Articles

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