2021 Peugeot 508 1.5 BlueHDi GT Line

Price: £13,499. Fair price: £127 (under 1%) under the AskCar estimate of £13,626, our expected asking price for this car from its model, age, mileage and specification, drawing on 157 priced Peugeot 508 adverts on AskCar as of 4 November 2026.

AskCar lists 161 used Peugeot 508 from 133 UK dealerships, as of 4 November 2026.

Overview

  • Make: Peugeot
  • Model: 508
  • Trim: GT Line
  • Version: 1.5 BlueHDi GT Line Auto FWD Euro 6 (s/s) 5dr Fastback EAT (129 bhp)
  • Year: 2021
  • Mileage: 35,392 miles
  • Fuel: Diesel
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 1.5 litres, 129 bhp
  • Gearbox: Automatic
  • Drive: Front-wheel drive
  • Colour: Red
  • CO2: 102 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Peugeot 508 GT Line is advertised with 35,392 miles, approximately 4,300 below the typical mileage for its age. The dealer is asking £13,499, which is £127 below the AskCar estimate of £13,626. To work out the AskCar estimate, we analyse UK dealer adverts for 157 Peugeot 508 cars across different ages and specifications. We first saw this car advertised 81 days ago. Its asking price has since fallen by £500. You can find this car at Davidsons Of Morpeth in Newcastle Upon Tyne. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £127 (under 1%) under the AskCar estimate of £13,626.

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 157 priced Peugeot 508 adverts across different ages and specifications, as of 4 November 2026.

Time on sale

This 2021 Peugeot 508 has been on sale for at least 81 days.

Price history

AskCar first saw this advert on 15 August 2026 at £13,999. Its asking price is now £13,499, £500 less. The latest price cut was seen on 8 October 2026.

Price changes recorded:

  • 15 August 2026: £13,999
  • 8 October 2026: £13,499

Mileage and MOT

Advertised mileage is about 4,300 miles lower than the median mileage of a 2021 Peugeot 508 on AskCar.

Similar cars

1 other 2021 Peugeot 508 GT Line 1.5 diesel automatic hatchback is for sale at UK dealers, as of 4 November 2026.

The closest to this car in mileage:

  • 2021 Peugeot 508 GT Line, 1.5 diesel hatchback, red. Mileage: 35,392 miles. Price: £13,499, the same price as this car. Dealer: Davidsons of Newcastle in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/peugeot-508-2021-d4c131250d31

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

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Photos

42 photos of this car are on its AskCar page.

As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.