2020 Peugeot 508 1.5 BlueHDi GT Line

Price: £10,061. Fair price: £253 (2%) under the AskCar estimate of £10,314, 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: 1.5 BlueHDi GT Line Manual FWD Euro 6 (s/s) 5dr Fastback (129 bhp)
  • Year: 2020
  • Mileage: 64,080 miles
  • Fuel: Diesel
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 1.5 litres, 129 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Grey
  • CO2: 104 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Peugeot 508 GT Line is advertised with 64,080 miles on the clock. Priced at £10,061, it is advertised £253 below the AskCar estimate of £10,314. The AskCar estimate draws on 160 Peugeot 508 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 2 days ago, and its asking price has since fallen by £63. Our records show an MOT expiry date of 8 August 2026, which has passed. Ask the dealer for an update. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Stellantis &You Crawley, based in Crawley. 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: £253 (2%) under the AskCar estimate of £10,314.

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.

A 2020 Peugeot 508 with the 1.5 diesel engine is typically advertised at £10,500: the median of the 12 for sale on AskCar, as of 5 November 2026.

Time on sale

AskCar first saw this 2020 Peugeot 508 advertised 2 days ago.

Price history

AskCar first saw this advert on 3 November 2026 at £10,124. Its asking price is now £10,061, £63 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

  • 3 November 2026: £10,124
  • 4 November 2026: £10,111
  • 5 November 2026: £10,061

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: the latest record we hold ran out on 8 August 2026; ask the dealer for the current MOT.

It has had 4 MOTs. The latest, on 7 August 2025, passed.

Advisories at the latest test: oil leak, but not excessive.

Mileage at that test: 55,605 miles, which matches the advertised 64,080 miles.

Advertised mileage is about 400 miles higher than the median mileage of a 2020 Peugeot 508 on AskCar.

Similar cars

5 other 2020 Peugeot 508 GT Line 1.5 diesel manual hatchbacks are for sale at UK dealers, from £9,495 to £12,295, as of 5 November 2026.

The 3 closest to this car in mileage:

  • 2020 Peugeot 508 GT Line, 1.5 diesel hatchback, grey. Mileage: 61,185 miles. Price: £10,495, £434 more than this car. Dealer: Prestige Quality Cars in Reading. AskCar page: https://askcar.co.uk/car/peugeot-508-2020-22f7b4228ce5
  • 2020 Peugeot 508 GT Line, 1.5 diesel hatchback, black. Mileage: 71,000 miles. Price: £10,995, £934 more than this car. Dealer: Cars of Conwy in Colwyn Bay. AskCar page: https://askcar.co.uk/car/peugeot-508-2020-9388858d9260
  • 2020 Peugeot 508 GT Line, 1.5 diesel hatchback, blue. Mileage: 54,213 miles. Price: £11,495, £1,434 more than this car. Dealer: Select Cars Shute Cross in Axminster. AskCar page: https://askcar.co.uk/car/peugeot-508-2020-e89f32180703

Browse all Peugeot 508 cars for sale · 2020 Peugeot 508 price guide

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Photos

2 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.