2018 Peugeot 308 1.5 BlueHDi GT Line

Price: £7,495. Fair price: £190 (2%) under the AskCar estimate of £7,685, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,075 priced Peugeot 308 adverts on AskCar as of 5 November 2026.

AskCar lists 1,120 used Peugeot 308 from 779 UK dealerships, as of 5 November 2026.

Overview

  • Make: Peugeot
  • Model: 308
  • Trim: GT Line
  • Version: 1.5 BlueHDi GT Line Manual FWD Euro 6 (s/s) 5dr (129 bhp)
  • Year: 2018
  • Mileage: 55,000 miles
  • Fuel: Diesel
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 1.5 litres, 129 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Blue
  • CO2: 96 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 55,000 miles, this 2018 Peugeot 308 GT Line has covered about 10,000 fewer miles than other 2018 Peugeot 308 cars. The AskCar estimate for this car is £7,685. It is priced at £7,495, which is £190 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 1,075 Peugeot 308 cars across different ages and specifications. It first appeared in our advert records 15 days ago. The government's MOT record matches its advertised mileage. It is advertised by Forsyth Street Cars in Airdrie. 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

Fair price: £190 (2%) under the AskCar estimate of £7,685.

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 2018 Peugeot 308 with the 1.5 diesel engine is typically advertised at £7,500: the median of the 24 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2018 Peugeot 308 has been on sale for at least 15 days.

Price history

AskCar first saw this advert on 21 October 2026 at £7,495. 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 5 November 2026: valid until 30 January 2027.

It has had 8 MOTs. The latest, on 16 January 2026, passed.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge; offside front tyre worn close to legal limit/worn on edge; offside rear tyre worn close to legal limit/worn on edge; and 2 more.

Mileage at that test: 49,372 miles, which matches the advertised 55,000 miles.

Advertised mileage is about 10,000 miles lower than the median mileage of a 2018 Peugeot 308 on AskCar.

Similar cars

16 other 2018 Peugeot 308 GT Line 1.5 diesel manual hatchbacks are for sale at UK dealers, from £4,495 to £8,695, as of 5 November 2026.

The 3 closest to this car in mileage:

  • 2018 Peugeot 308 GT Line, 1.5 diesel hatchback, black. Mileage: 57,000 miles. Price: £8,250, £755 more than this car. Dealer: Stoke Gabriel Cars in Totnes. AskCar page: https://askcar.co.uk/car/peugeot-308-2018-ed1105fdd566
  • 2018 Peugeot 308 GT Line, 1.5 diesel hatchback, grey. Mileage: 57,564 miles. Price: £7,895, £400 more than this car. Dealer: JB Pride Autos in Bolton. AskCar page: https://askcar.co.uk/car/peugeot-308-2018-dea204731a87
  • 2018 Peugeot 308 GT Line, 1.5 diesel hatchback, black. Mileage: 52,000 miles. Price: £7,995, £500 more than this car. Dealer: Valley Brook Car Sales in Crewe. AskCar page: https://askcar.co.uk/car/peugeot-308-2018-1988033c8a34
  • The nearest: 2018 Peugeot 308 GT Line, 1.5 diesel hatchback, grey, 8 miles from this car. Mileage: 67,000 miles. Price: £7,995, £500 more than this car. Dealer: Bank Motors in Glasgow. AskCar page: https://askcar.co.uk/car/peugeot-308-2018-9dc0e9e5aaab

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

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As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.