2018 Peugeot 308 1.5 BlueHDi GT Line
Price: £8,695. Fair price: £334 (3%) over the AskCar estimate of £8,361, 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: 41,629 miles
- Fuel: Diesel
- Body: Hatchback, 5 doors, 5 seats
- Engine: 1.5 litres, 129 bhp
- Gearbox: Manual
- Drive: Front-wheel drive
- Colour: Red
- CO2: 96 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2018 Peugeot 308 GT Line is advertised with 41,629 miles, approximately 23,400 below the typical mileage for its age. The AskCar estimate for this car is £8,361. It is priced at £8,695, which is £334 above that estimate. The AskCar estimate uses UK dealer asking prices, including 1,075 Peugeot 308 adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert for 16 days. Its advertised mileage matches the government's MOT record. You can find this car at Russell Ham Car Sales in Plymouth. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 5 November 2026.
Price
Fair price: £334 (3%) over the AskCar estimate of £8,361.
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 16 days.
Price history
AskCar first saw this advert on 20 October 2026 at £8,695. 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 20 May 2027.
It failed its MOT on 12 May 2026 (nearside rear tyre tread depth below requirements of 1.6mm; nearside front tyre tread depth below requirements of 1.6mm; offside front tyre has ply or cords exposed) and passed later the same day.
There were no advisories at the latest test.
Mileage at that test: 38,070 miles, which matches the advertised 41,629 miles.
Advertised mileage is about 23,400 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 £8,495, as of 5 November 2026.
The 3 closest to this car in mileage:
- 2018 Peugeot 308 GT Line, 1.5 diesel hatchback, black. Mileage: 47,000 miles. Price: £5,725, £2,970 less than this car. Dealer: Simply Motors in Norbury. AskCar page: https://askcar.co.uk/car/peugeot-308-2018-5b0989984978
- 2018 Peugeot 308 GT Line, 1.5 diesel hatchback, red. Mileage: 49,549 miles. Price: £7,800, £895 less than this car. Dealer: Evans Halshaw Vauxhall York in York. AskCar page: https://askcar.co.uk/car/peugeot-308-2018-29e5b5e32b73
- 2018 Peugeot 308 GT Line, 1.5 diesel hatchback, grey. Mileage: 50,120 miles. Price: £7,799, £896 less than this car. Dealer: Fords Of Winsford Car Supermarket in Winsford. AskCar page: https://askcar.co.uk/car/peugeot-308-2018-a051070f98a3
- The nearest: 2018 Peugeot 308 GT Line, 1.5 diesel hatchback, black, 22 miles from this car. Mileage: 57,000 miles. Price: £8,250, £445 less than this car. Dealer: Stoke Gabriel Cars in Totnes. AskCar page: https://askcar.co.uk/car/peugeot-308-2018-ed1105fdd566
Browse all Peugeot 308 cars for sale · 2018 Peugeot 308 price guide
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Photos
14 photos of this car are on its AskCar page.
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.