2020 Peugeot 308 1.2 PureTech GT Line

Overview

• Make: Peugeot
• Model: 308
• Trim: GT Line
• Version: 1.2 PureTech GPF GT Line Manual FWD Euro 6 (s/s) 5dr (129 bhp)
• Year: 2020
• Mileage: 80,000 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.2 litres, 129 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 113 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Peugeot 308 GT Line has covered 80,000 miles. Its asking price of £5,995 is £682 below the AskCar estimate of £6,677. The AskCar estimate uses 1,075 UK dealer adverts for the Peugeot 308, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 160 days ago. Its asking price has since fallen by £1,000. The advertised mileage is lower than the latest MOT reading of 82,439 miles. Ask the dealer to explain. The latest recorded MOT expires on 27 May 2027. You can find this car at Rushgreen Cars in Hertford. 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

Good value: £682 (10%) under the AskCar estimate of £6,677.

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 1,075 priced Peugeot 308 adverts across different ages and specifications, as of 5 November 2026.

A 2020 Peugeot 308 with the 1.2 petrol engine is typically advertised at £8,700: the median of the 37 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2020 Peugeot 308 has been on sale for at least 160 days.

Price history

AskCar first saw this advert on 29 May 2026 at £6,995. Its asking price is now £5,995, £1,000 less. The latest price cut was seen on 15 October 2026.

Price changes recorded:

• 30 May 2026: £6,995
• 10 July 2026: £6,795
• 22 July 2026: £6,395
• 15 October 2026: £5,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 27 May 2027.

It failed its MOT on 28 May 2026 (offside front outer tyre has a bulge, caused by separation or partial failure of its structure 225/40/18; offside rear outer tyre has a bulge, caused by separation or partial failure of its structure deep cut inner cords showing. 225/40/18) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 82,439 miles. The advert says 80,000 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 36,200 miles higher than the median mileage of a 2020 Peugeot 308 on AskCar.

Similar cars

10 other 2020 Peugeot 308 GT Line 1.2 petrol manual hatchbacks are for sale at UK dealers, from £6,495 to £9,999, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2020 Peugeot 308 GT Line, 1.2 petrol hatchback, blue. Mileage: 79,777 miles. Price: £7,100, £1,105 more than this car. Dealer: Essex Select Cars in Great Bentley. AskCar page: https://askcar.co.uk/car/peugeot-308-2020-c4c4c186a2fb
• 2020 Peugeot 308 GT Line, 1.2 petrol hatchback, blue. Mileage: 80,866 miles. Price: £6,495, £500 more than this car. Dealer: Ambient Motor Group in Nottingham. AskCar page: https://askcar.co.uk/car/peugeot-308-2020-f486aac0abda
• 2020 Peugeot 308 GT Line, 1.2 petrol hatchback, grey. Mileage: 62,314 miles. Price: £7,622, £1,627 more than this car. Dealer: Vertu Motors Seat Cupra Derby in Derby. AskCar page: https://askcar.co.uk/car/peugeot-308-2020-4f8551cfccfe