2018 Peugeot 308 1.5 BlueHDi GT Line

Overview

• Make: Peugeot
• Model: 308
• Trim: GT Line
• Version: 1.5 BlueHDi GT Line Manual FWD Euro 6 (s/s) 5dr
• Year: 2018
• Mileage: 47,000 miles
• Fuel: Diesel
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Black
• CO2: 96 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Peugeot 308 GT Line has covered 47,000 miles, around 18,000 fewer miles than is typical for its age. The dealer is asking £5,725, which is £2,002 below the AskCar estimate of £7,727. We recommend confirming the advertised price and vehicle details. 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 advert 103 days ago, and its asking price has since fallen by £600. The government's MOT record matches its advertised mileage. It is advertised by Simply Motors in Norbury. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Far below the going rate: £2,002 (25%) under the AskCar estimate of £7,727. Worth asking the dealer why.

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

This 2018 Peugeot 308 has been on sale for at least 103 days.

Price history

AskCar first saw this advert on 26 July 2026 at £6,325. Its asking price is now £5,725, £600 less. The latest price cut was seen on 11 October 2026.

Price changes recorded:

• 26 July 2026: £6,325
• 27 September 2026: £5,985
• 11 October 2026: £5,725

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 12 February 2027.

It has had 7 MOTs. The latest, on 13 February 2026, passed.

Advisories at the latest test: front brake pad(s) wearing thin very low; front brake disc worn, but not excessively both; nearside rear nail in tyre.

Mileage at that test: 45,895 miles, which matches the advertised 47,000 miles.

Advertised mileage is about 18,000 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: 49,549 miles. Price: £7,800, £2,075 more 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: £7,599, £1,874 more than this car. Dealer: Fords Of Winsford Car Supermarket in Winsford. AskCar page: https://askcar.co.uk/car/peugeot-308-2018-a051070f98a3
• 2018 Peugeot 308 GT Line, 1.5 diesel hatchback, white. Mileage: 50,364 miles. Price: £8,495, £2,770 more than this car. Dealer: Oakwood Specialist Cars in Whitley Bay. AskCar page: https://askcar.co.uk/car/peugeot-308-2018-fcfed1b01d57

• The nearest: 2018 Peugeot 308 GT Line, 1.5 diesel hatchback, black, 23 miles from this car. Mileage: 66,032 miles. Price: £6,990, £1,265 more than this car. Dealer: One 2 One Autos in Windsor. AskCar page: https://askcar.co.uk/car/peugeot-308-2018-345dd337d1fb