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: 36,394 miles
• Fuel: Diesel
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 129 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: White
• CO2: 104 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 36,394 miles on the clock, this 2020 Peugeot 508 GT Line has done roughly 26,900 fewer miles than a typical 2020 Peugeot 508. Priced at £12,295, it is advertised £40 above the AskCar estimate of £12,255. The AskCar estimate draws on 163 Peugeot 508 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 30 days ago, the asking price has dropped by £700. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is G H Motors (Mansfield), based in Mansfield. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £40 (under 1%) over the AskCar estimate of £12,255.

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 163 priced Peugeot 508 adverts across different ages and specifications, as of 7 November 2026.

A 2020 Peugeot 508 with the 1.5 diesel engine is typically advertised at £10,500: the median of the 13 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2020 Peugeot 508 has been on sale for at least 30 days.

Price history

AskCar first saw this advert on 8 October 2026 at £12,995. Its asking price is now £12,295, £700 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

• 8 October 2026: £12,995
• 11 October 2026: £12,795
• 13 October 2026: £12,695
• 16 October 2026: £12,495
• 5 November 2026: £12,295

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 31 March 2027.

It has had 4 MOTs. The latest, on 1 April 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 36,215 miles, which matches the advertised 36,394 miles.

Advertised mileage is about 26,900 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 £11,495, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2020 Peugeot 508 GT Line, 1.5 diesel hatchback, blue. Mileage: 54,213 miles. Price: £11,495, £800 less than this car. Dealer: Select Cars Shute Cross in Axminster. AskCar page: https://askcar.co.uk/car/peugeot-508-2020-e89f32180703
• 2020 Peugeot 508 GT Line, 1.5 diesel hatchback, grey. Mileage: 61,185 miles. Price: £10,495, £1,800 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: £10,006, £2,289 less than this car. Dealer: Stellantis &You Crawley in Crawley. AskCar page: https://askcar.co.uk/car/peugeot-508-2020-a89c76642f1b

• The nearest: 2020 Peugeot 508 GT Line, 1.5 diesel hatchback, grey, 6 miles from this car. Mileage: 74,786 miles. Price: £9,495, £2,800 less than this car. Dealer: Hardwick Sports and Prestige in Alfreton. AskCar page: https://askcar.co.uk/car/peugeot-508-2020-0f47487fc860