2018 Peugeot 308 1.5 BlueHDi GT Line
Price: £7,595. Fair price: £328 (4%) over the AskCar estimate of £7,267, 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: 1.5 BlueHDi GT Line Manual FWD Euro 6 (s/s) 5dr (129 bhp)
- Year: 2018
- Mileage: 63,211 miles
- Fuel: Diesel
- Body: Hatchback, 5 doors, 5 seats
- Engine: 1.5 litres, 129 bhp
- Gearbox: Manual
- Drive: Front-wheel drive
- Colour: Grey
- CO2: 96 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2018 Peugeot 308 GT Line has covered 63,211 miles. The AskCar estimate for this car is £7,267. It is priced at £7,595, which is £328 above that estimate. The AskCar estimate uses UK dealer asking prices, including 1,086 Peugeot 308 adverts, and accounts for the car’s age, mileage and specification. We first recorded this car for sale today. Its advertised mileage matches the government's MOT record. The seller is Simon Bailes Northallerton, based in Northallerton. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 6 November 2026.
Price
Fair price: £328 (4%) over the AskCar estimate of £7,267.
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 2018 Peugeot 308 with the 1.5 diesel engine is typically advertised at £7,500: the median of the 25 for sale on AskCar, as of 6 November 2026.
Time on sale
AskCar first saw this 2018 Peugeot 308 advertised today. About 4 in 10 of 2018 Peugeot 308 cars are gone from sale within a month of being advertised: 56 of the 125 first advertised between 11 July 2026 and 3 October 2026.
Price history
AskCar first saw this advert on 6 November 2026 at £7,595. 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 11 December 2026.
It has had 6 MOTs. The latest, on 5 December 2025, passed.
Advisories at the latest test: rear exhaust mounting defective rear silencer flexible mounting bonding is split.
Mileage at that test: 59,209 miles, which matches the advertised 63,211 miles.
Advertised mileage is about 1,800 miles lower than the median mileage of a 2018 Peugeot 308 on AskCar.
Similar cars
17 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 6 November 2026.
The 3 closest to this car in mileage:
- 2018 Peugeot 308 GT Line, 1.5 diesel hatchback, red. Mileage: 65,408 miles. Price: £7,800, £205 more than this car. Dealer: Balmoral Motor Company in Dalkeith. AskCar page: https://askcar.co.uk/car/peugeot-308-2018-9f60d066bc92
- 2018 Peugeot 308 GT Line, 1.5 diesel hatchback, black. Mileage: 66,032 miles. Price: £6,990, £605 less than this car. Dealer: One 2 One Autos in Windsor. AskCar page: https://askcar.co.uk/car/peugeot-308-2018-345dd337d1fb
- 2018 Peugeot 308 GT Line, 1.5 diesel hatchback, grey. Mileage: 67,000 miles. Price: £7,995, £400 more than this car. Dealer: Bank Motors in Glasgow. AskCar page: https://askcar.co.uk/car/peugeot-308-2018-9dc0e9e5aaab
- The nearest: 2018 Peugeot 308 GT Line, 1.5 diesel hatchback, red, 28 miles from this car. Mileage: 49,549 miles. Price: £7,800, £205 more than this car. Dealer: Evans Halshaw Vauxhall York in York. AskCar page: https://askcar.co.uk/car/peugeot-308-2018-29e5b5e32b73
Browse all Peugeot 308 cars for sale · 2018 Peugeot 308 price guide
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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.