2021 Peugeot 508 1.5 BlueHDi GT Line

Version: 1.5 BlueHDi GT Line Auto FWD Euro 6 (s/s) 5dr (129 bhp)

Price: £13,499. Fair price: £65 (under 1%) under the AskCar estimate of £13,564, our expected asking price for this car from its model, age, mileage and specification, drawing on 152 priced Peugeot 508 adverts on AskCar as of 31 October 2026.

AskCar lists 154 used Peugeot 508 from 129 UK dealerships, as of 31 October 2026.

Overview

Make
Peugeot
Model
508
Trim
GT Line
Version
1.5 BlueHDi GT Line Auto FWD Euro 6 (s/s) 5dr (129 bhp)
Mileage
37,494 miles
Year
2021
Fuel type
Diesel
Engine
1.5 L
Gearbox
Automatic
Power
129 bhp
Seats
5
CO2
125 g/km
Colour
Grey
Doors
5
Driven wheels
Front Wheel Drive
Engine badge
BlueHDi
Emissions standard
Euro 6

About this car

At 37,494 miles, this 2021 Peugeot 508 GT Line has covered about 3,300 fewer miles than other 2021 Peugeot 508 cars. Priced at £13,499, it is advertised £65 below the AskCar estimate of £13,564. The AskCar estimate uses UK dealer asking prices, including 152 Peugeot 508 adverts, and accounts for the car’s age, mileage and specification. We first recorded this car for sale 7 days ago. MOT records show an expiry date of 23 June 2027, and the latest recorded mileage is consistent with the advert. The seller is Available Car Supermarket - Sutton-In-Ashfield, based in Sutton-in-Ashfield.

Stock data as of 31 October 2026.

How we estimate prices and check cars

Price history

AskCar first saw this advert on 24 October 2026, 7 days ago.

Recorded asking prices
Date observedAsking price
24 October 2026£13,499
31 October 2026£13,499

Price and mileage comparison

Fair price: £65 (under 1%) under the AskCar estimate of £13,564.

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 152 priced Peugeot 508 adverts across different ages and specifications, as of 31 October 2026.

Advertised mileage is about 3,300 miles lower than the median mileage of a 2021 Peugeot 508 on AskCar.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT: valid until 23 June 2027. 34,845 miles at the last test.

Other matching cars

4 other 2021 Peugeot 508 GT Line automatic diesel cars are for sale at UK dealers from £12,424 to £13,499, as of 31 October 2026.

The 4 matching cars have covered 35,392 to 45,124 miles, compared with 37,494 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.

Browse all Peugeot 508 cars for sale · 2021 Peugeot 508 price guide

More like this

How to contact the dealer and its opening hours are on this AskCar page.

As of 31 October 2026, AskCar lists 583,548 cars and vans from 12,716 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.