2018 Peugeot 308 1.2 PureTech GT Line

Price: £6,995. Fair price: £102 (1%) over the AskCar estimate of £6,893, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,063 priced Peugeot 308 adverts on AskCar as of 7 November 2026.

AskCar lists 1,127 used Peugeot 308 from 786 UK dealerships, as of 7 November 2026.

Overview

  • Make: Peugeot
  • Model: 308
  • Trim: GT Line
  • Version: 1.2 PureTech GT Line Manual FWD Euro 6 (s/s) 5dr (129 bhp)
  • Year: 2018
  • Mileage: 52,000 miles
  • Fuel: Petrol
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 1.2 litres, 129 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Grey
  • CO2: 120 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Peugeot 308 GT Line has covered 52,000 miles, around 13,000 fewer miles than is typical for its age. Priced at £6,995, it is advertised £102 above the AskCar estimate of £6,893. The AskCar estimate draws on 1,063 Peugeot 308 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 38 days ago, and its asking price has since fallen by £500. Its advertised mileage matches the government's MOT record. The seller is Cornwall Cars, based in Liskeard. 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: £102 (1%) over the AskCar estimate of £6,893.

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 1,063 priced Peugeot 308 adverts across different ages and specifications, as of 7 November 2026.

A 2018 Peugeot 308 with the 1.2 petrol engine is typically advertised at £6,000: the median of the 63 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2018 Peugeot 308 has been on sale for at least 38 days.

Price history

AskCar first saw this advert on 30 September 2026 at £7,495. Its asking price is now £6,995, £500 less. The latest price cut was seen on 14 October 2026.

Price changes recorded:

  • 30 September 2026: £7,495
  • 14 October 2026: £6,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 12 February 2027.

It failed its MOT on 10 February 2026 (exhaust lambda reading after 2nd fast idle outside specified limits) and passed 1 day later, on 11 February 2026.

Advisories at the latest test: rear axle and underbody slightly corroded; front brake disc worn, pitted or scored, but not seriously weakened.

Mileage at that test: 49,186 miles, which matches the advertised 52,000 miles.

Advertised mileage is about 13,000 miles lower than the median mileage of a 2018 Peugeot 308 on AskCar.

Similar cars

18 other 2018 Peugeot 308 GT Line 1.2 petrol manual hatchbacks are for sale at UK dealers, from £4,595 to £7,480, as of 7 November 2026.

The 3 closest to this car in mileage:

  • 2018 Peugeot 308 GT Line, 1.2 petrol hatchback, blue. Mileage: 54,934 miles. Price: £7,480, £485 more than this car. Dealer: Leigh Cars in Southend-on-Sea. AskCar page: https://askcar.co.uk/car/peugeot-308-2018-b9249c1edc29
  • 2018 Peugeot 308 GT Line, 1.2 petrol hatchback, grey. Mileage: 48,824 miles. Price: £7,295, £300 more than this car. Dealer: SB Wakefield in Wakefield. AskCar page: https://askcar.co.uk/car/peugeot-308-2018-657ad1607568
  • 2018 Peugeot 308 GT Line, 1.2 petrol hatchback, white. Mileage: 43,800 miles. Price: £7,390, £395 more than this car. Dealer: Variety Cars in Ambrosden. AskCar page: https://askcar.co.uk/car/peugeot-308-2018-208f33487e6b
  • The nearest: 2018 Peugeot 308 GT Line, 1.2 petrol hatchback, red, 172 miles from this car. Mileage: 80,425 miles. Price: £5,695, £1,300 less than this car. Dealer: Next Drive Autos in Stourbridge. AskCar page: https://askcar.co.uk/car/peugeot-308-2018-afacf5074da3

Browse all Peugeot 308 cars for sale · 2018 Peugeot 308 price guide

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Photos

30 photos of this car are on its AskCar page.

As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.