2020 Peugeot 308 1.2 PureTech GT Line

Price: £10,790. Fair price: £75 (under 1%) over the AskCar estimate of £10,715, 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 Auto FWD Euro 6 (s/s) 5dr EAT (129 bhp)
  • Year: 2020
  • Mileage: 36,385 miles
  • Fuel: Petrol
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 1.2 litres, 129 bhp
  • Gearbox: Automatic
  • Drive: Front-wheel drive
  • Colour: Blue
  • CO2: 124 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 36,385 miles, this 2020 Peugeot 308 GT Line has covered about 7,400 fewer miles than other 2020 Peugeot 308 cars. The AskCar estimate for this car is £10,715. It is priced at £10,790, which is £75 above that estimate. The AskCar estimate uses 1,086 UK dealer adverts for the Peugeot 308, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 19 days ago. Its advertised mileage matches the government's MOT record. It is advertised by One Stop Car Sales in Willesden. 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: £75 (under 1%) over the AskCar estimate of £10,715.

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

This 2020 Peugeot 308 has been on sale for at least 19 days.

Price history

AskCar first saw this advert on 18 October 2026 at £10,790. 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 1 October 2027.

It has had 4 MOTs. The latest, on 2 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 36,386 miles, which matches the advertised 36,385 miles.

Advertised mileage is about 7,400 miles lower than the median mileage of a 2020 Peugeot 308 on AskCar.

Similar cars

3 other 2020 Peugeot 308 GT Line 1.2 petrol automatic hatchbacks are for sale at UK dealers, from £7,250 to £10,990, as of 6 November 2026.

The 3 closest to this car in mileage:

  • 2020 Peugeot 308 GT Line, 1.2 petrol hatchback, blue. Mileage: 36,000 miles. Price: £10,990, £200 more than this car. Dealer: Aylas Cars in Slough. AskCar page: https://askcar.co.uk/car/peugeot-308-2020-5e6476506eb4
  • 2020 Peugeot 308 GT Line, 1.2 petrol hatchback, blue. Mileage: 26,850 miles. Price: £10,950, £160 more than this car. Dealer: CARZ4LESS in Sittingbourne. AskCar page: https://askcar.co.uk/car/peugeot-308-2020-c79cee83aa71
  • 2020 Peugeot 308 GT Line, 1.2 petrol hatchback, black. Mileage: 88,000 miles. Price: £7,250, £3,540 less than this car. Dealer: Car City (Luton) in Luton. AskCar page: https://askcar.co.uk/car/peugeot-308-2020-60a0336d7b9a

Browse all Peugeot 308 cars for sale · 2020 Peugeot 308 price guide

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Photos

55 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.