2021 Peugeot 508 1.5 BlueHDi GT Line
Price: £13,499. Fair price: £14 (under 1%) over the AskCar estimate of £13,485, our expected asking price for this car from its model, age, mileage and specification, drawing on 159 priced Peugeot 508 adverts on AskCar as of 9 November 2026.
AskCar lists 164 used Peugeot 508 from 137 UK dealerships, as of 9 November 2026.
Overview
- Make: Peugeot
- Model: 508
- Trim: GT Line
- Version: 1.5 BlueHDi GT Line Auto FWD Euro 6 (s/s) 5dr (129 bhp)
- Year: 2021
- Mileage: 37,494 miles
- Fuel: Diesel
- Body: 5 doors, 5 seats
- Engine: 1.5 litres, 129 bhp
- Gearbox: Automatic
- Drive: Front-wheel drive
- Colour: Grey
- CO2: 125 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 37,494 miles, this 2021 Peugeot 508 GT Line has covered about 3,900 fewer miles than other 2021 Peugeot 508 cars. Priced at £13,499, it is advertised £14 above the AskCar estimate of £13,485. The AskCar estimate uses UK dealer asking prices, including 159 Peugeot 508 adverts, and accounts for the car’s age, mileage and specification. We first recorded this car for sale 16 days ago. Its advertised mileage matches the government's MOT record. The seller is Available Car Supermarket - Sutton-In-Ashfield, based in Sutton-in-Ashfield. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 9 November 2026.
Price
Fair price: £14 (under 1%) over the AskCar estimate of £13,485.
The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.
It draws on 159 priced Peugeot 508 adverts across different ages and specifications, as of 9 November 2026.
Time on sale
This 2021 Peugeot 508 has been on sale for at least 16 days.
Price history
AskCar first saw this advert on 24 October 2026 at £13,499. Its asking price has not changed.
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 9 November 2026: valid until 23 June 2027.
It has had 4 MOTs. The latest, on 11 June 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 34,845 miles, which matches the advertised 37,494 miles.
Advertised mileage is about 3,900 miles lower than the median mileage of a 2021 Peugeot 508 on AskCar.
Browse all Peugeot 508 cars for sale · 2021 Peugeot 508 price guide
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As of 9 November 2026, AskCar lists 584,619 cars and vans from 12,676 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.