2020 Peugeot 308 1.2 PureTech GT Line
Price: £7,100. Fair price: £472 (7%) over the AskCar estimate of £6,628, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,086 priced Peugeot 308 adverts on AskCar as of 6 November 2026.
AskCar lists 1,131 used Peugeot 308 from 793 UK dealerships, as of 6 November 2026.
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: 79,777 miles
- Fuel: Petrol
- Body: Hatchback, 5 doors, 5 seats
- Engine: 1.2 litres, 129 bhp
- Gearbox: Manual
- Drive: Front-wheel drive
- Colour: Blue
- CO2: 113 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2020 Peugeot 308 GT Line is advertised with 79,777 miles, approximately 36,000 above the typical mileage for its age. Its asking price of £7,100 is £472 above the AskCar estimate of £6,628. To work out the AskCar estimate, we analyse UK dealer adverts for 1,086 Peugeot 308 cars across different ages and specifications. The dealer may accept less. This car has been on sale for at least 92 days, and its asking price is down £200. Its advertised mileage matches the government's MOT record. It is advertised by Essex Select Cars in Colchester. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 6 November 2026.
Price
Fair price: £472 (7%) over the AskCar estimate of £6,628.
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 1,086 priced Peugeot 308 adverts across different ages and specifications, as of 6 November 2026.
A 2020 Peugeot 308 with the 1.2 petrol engine is typically advertised at £8,600: the median of the 38 for sale on AskCar, as of 6 November 2026.
Time on sale
The dealer may accept less. This 2020 Peugeot 308 has been on sale for at least 92 days, and its asking price has been cut by £200. About half of 2020 Peugeot 308 cars are gone from sale within a month of being advertised: 44 of the 84 first advertised between 12 July 2026 and 3 October 2026.
Price history
AskCar first saw this advert on 6 August 2026 at £7,300. Its asking price is now £7,100, £200 less. The latest price cut was seen on 15 September 2026.
Price changes recorded:
- 6 August 2026: £7,300
- 15 September 2026: £7,100
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 15 July 2027.
It has had 6 MOTs. The latest, on 7 July 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 78,921 miles, which matches the advertised 79,777 miles.
Advertised mileage is about 36,000 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 £5,995 to £9,999, as of 6 November 2026.
The 3 closest to this car in mileage:
- 2020 Peugeot 308 GT Line, 1.2 petrol hatchback, grey. Mileage: 80,000 miles. Price: £5,995, £1,105 less than this car. Dealer: Rushgreen Cars in Hertford. AskCar page: https://askcar.co.uk/car/peugeot-308-2020-80a671e3d6bd
- 2020 Peugeot 308 GT Line, 1.2 petrol hatchback, blue. Mileage: 80,866 miles. Price: £6,495, £605 less 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, £522 more than this car. Dealer: Vertu Motors Seat Cupra Derby in Derby. AskCar page: https://askcar.co.uk/car/peugeot-308-2020-4f8551cfccfe
Browse all Peugeot 308 cars for sale · 2020 Peugeot 308 price guide
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Photos
42 photos of this car are on its AskCar page.
As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.