2021 Peugeot 508 1.2 PureTech GT Line

Price: £14,495. Fair price: £527 (3%) over the AskCar estimate of £13,968, our expected asking price for this car from its model, age, mileage and specification, drawing on 160 priced Peugeot 508 adverts on AskCar as of 5 November 2026.

AskCar lists 165 used Peugeot 508 from 135 UK dealerships, as of 5 November 2026.

Overview

  • Make: Peugeot
  • Model: 508
  • Trim: GT Line
  • Version: 1.2 PureTech GT Line Auto FWD Euro 6 (s/s) 5dr (129 bhp)
  • Year: 2021
  • Mileage: 27,107 miles
  • Fuel: Petrol
  • Body: Saloon, 5 doors, 5 seats
  • Engine: 1.2 litres, 129 bhp
  • Gearbox: Automatic
  • Drive: Front-wheel drive
  • Colour: Blue
  • CO2: 135 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 27,107 miles, this 2021 Peugeot 508 GT Line has covered about 13,200 fewer miles than other 2021 Peugeot 508 cars. Priced at £14,495, it is advertised £527 above the AskCar estimate of £13,968. The AskCar estimate uses 160 UK dealer adverts for the Peugeot 508, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 91 days ago. Its asking price has since fallen by £1,300. The government's MOT record matches its advertised mileage. It is advertised by John Mulholland Randalstown Hyundai in Antrim. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £527 (3%) over the AskCar estimate of £13,968.

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 160 priced Peugeot 508 adverts across different ages and specifications, as of 5 November 2026.

Time on sale

This 2021 Peugeot 508 has been on sale for at least 91 days.

Price history

AskCar first saw this advert on 6 August 2026 at £15,795. Its asking price is now £14,495, £1,300 less. The latest price cut was seen on 1 November 2026.

Price changes recorded:

  • 6 August 2026: £15,795
  • 21 October 2026: £14,995
  • 1 November 2026: £14,495

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 13 March 2027.

It has had 2 MOTs. The latest, on 14 March 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 23,069 miles, which matches the advertised 27,107 miles.

Advertised mileage is about 13,200 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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Photos

29 photos of this car are on its AskCar page.

As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.