2020 Peugeot 508 1.5 BlueHDi GT Line

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: 54,213 miles
• Fuel: Diesel
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 129 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 104 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Peugeot 508 GT Line is advertised with 54,213 miles, approximately 9,500 below the typical mileage for its age. The dealer is asking £11,495, which is £485 above the AskCar estimate of £11,010. To work out the AskCar estimate, we analyse UK dealer adverts for 161 Peugeot 508 cars across different ages and specifications. We have tracked this advert for 35 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Select Cars Shute Cross in Axminster. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £485 (4%) over the AskCar estimate of £11,010.

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 161 priced Peugeot 508 adverts across different ages and specifications, as of 6 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 6 November 2026.

Time on sale

This 2020 Peugeot 508 has been on sale for at least 35 days.

Price history

AskCar first saw this advert on 2 October 2026 at £11,495. 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 6 November 2026: valid until 7 July 2027.

It failed its MOT on 7 July 2026 (engine MIL inoperative or indicates a malfunction; nearside front tyre tread depth below requirements of 1.6mm; offside front tyre tread depth below requirements of 1.6mm) and passed 1 day later, on 8 July 2026.

There were no advisories at the latest test.

Mileage at that test: 54,181 miles, which matches the advertised 54,213 miles.

Advertised mileage is about 9,500 miles lower 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 6 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, £1,000 less 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, grey. Mileage: 64,080 miles. Price: £10,018, £1,477 less than this car. Dealer: Stellantis &You Crawley in Crawley. AskCar page: https://askcar.co.uk/car/peugeot-508-2020-a89c76642f1b
• 2020 Peugeot 508 GT Line, 1.5 diesel hatchback, black. Mileage: 71,000 miles. Price: £10,995, £500 less than this car. Dealer: Cars of Conwy in Colwyn Bay. AskCar page: https://askcar.co.uk/car/peugeot-508-2020-9388858d9260