2018 Peugeot 308 1.2 PureTech GT Line

Price: £6,498. Fair price: £286 (4%) under the AskCar estimate of £6,784, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,078 priced Peugeot 308 adverts on AskCar as of 14 November 2026.

AskCar lists 1,130 used Peugeot 308 from 797 UK dealerships, as of 14 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: 50,363 miles
  • Fuel: Petrol
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 1.2 litres, 129 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Black
  • CO2: 120 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Peugeot 308 GT Line is advertised with 50,363 miles, approximately 13,400 below the typical mileage for its age. Priced at £6,498, it is advertised £286 below the AskCar estimate of £6,784. To work out the AskCar estimate, we analyse UK dealer adverts for 1,078 Peugeot 308 cars across different ages and specifications. Since we first spotted the advert 2 days ago, the asking price has dropped by £500. Its advertised mileage matches the government's MOT record. The seller is Arnold Clark Glasgow South Street Vauxhall Peugeot Citroen Ds Mazda Vanstorelepas, based in Glasgow. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 14 November 2026.

How we estimate prices and check cars

Arnold Clark Glasgow South Street Vauxhall Peugeot Citroen Ds Mazda Vanstorelepas is rated 3.7 out of 5 on Google.

Price

Fair price: £286 (4%) under the AskCar estimate of £6,784.

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 1,078 priced Peugeot 308 adverts across different ages and specifications, as of 14 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 14 November 2026.

Time on sale

AskCar first saw this 2018 Peugeot 308 advertised 2 days ago. About half of 2018 Peugeot 308 cars are gone from sale within a month of being advertised: 65 of the 137 first advertised between 14 July 2026 and 11 October 2026.

Price history

AskCar first saw this advert on 12 November 2026 at £6,998. Its asking price is now £6,498, £500 less. The latest price cut was seen on 14 November 2026.

Price changes recorded:

  • 12 November 2026: £6,998
  • 14 November 2026: £6,498

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 14 November 2026: valid until 10 November 2027.

It has had 7 MOTs. The latest, on 11 November 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 50,370 miles, which matches the advertised 50,363 miles.

Advertised mileage is about 13,400 miles lower than the median mileage of a 2018 Peugeot 308 on AskCar.

Similar cars

19 other 2018 Peugeot 308 GT Line 1.2 petrol manual hatchbacks are for sale at UK dealers, from £4,495 to £7,480, as of 14 November 2026.

The 3 closest to this car in mileage:

  • 2018 Peugeot 308 GT Line, 1.2 petrol hatchback, grey. Mileage: 48,824 miles. Price: £7,295, £797 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, grey. Mileage: 52,000 miles. Price: £6,995, £497 more than this car. Dealer: Cornwall Cars in Liskeard. AskCar page: https://askcar.co.uk/car/peugeot-308-2018-040f02912b89
  • 2018 Peugeot 308 GT Line, 1.2 petrol hatchback, blue. Mileage: 54,934 miles. Price: £7,480, £982 more than this car. Dealer: Leigh Cars in Southend-on-Sea. AskCar page: https://askcar.co.uk/car/peugeot-308-2018-b9249c1edc29
  • The nearest: 2018 Peugeot 308 GT Line, 1.2 petrol hatchback, red, 35 miles from this car. Mileage: 62,600 miles. Price: £6,495, the same price as this car. Dealer: Car & Cars in East Calder. AskCar page: https://askcar.co.uk/car/peugeot-308-2018-08b72a53e7f8

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

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Photos

1 photo of this car is on its AskCar page.

As of 14 November 2026, AskCar lists 600,711 cars and vans from 12,770 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.