2023 Peugeot 308 1.5 BlueHDi GT

Overview

• Make: Peugeot
• Model: 308
• Trim: GT
• Version: 1.5 BlueHDi GT Auto FWD Euro 6 (s/s) 5dr EAT (129 bhp)
• Year: 2023
• Mileage: 12,000 miles
• Fuel: Diesel
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 129 bhp
• Gearbox: Automatic
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 131 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Peugeot 308 GT is advertised with 12,000 miles on the clock. Priced at £17,295, it is advertised £624 above the AskCar estimate of £16,671. The AskCar estimate uses UK dealer asking prices, including 1,048 Peugeot 308 adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 158 days ago. Its asking price has since fallen by £1,500. The advertised mileage is lower than the latest MOT reading of 12,709 miles. Ask the dealer to explain. Its MOT is recorded as valid until 17 February 2027. The seller is Penton Citroen, MG, Peugeot & Vauxhall Salisbury, based in Salisbury. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £624 (3%) over the AskCar estimate of £16,671.

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 1,048 priced Peugeot 308 adverts across different ages and specifications, as of 8 November 2026.

A 2023 Peugeot 308 with the 1.5 diesel engine is typically advertised at £15,200: the median of the 18 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2023 Peugeot 308 has been on sale for at least 158 days.

Price history

AskCar first saw this advert on 3 June 2026 at £18,795. Its asking price is now £17,295, £1,500 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

• 3 June 2026: £18,795
• 8 June 2026: £18,495
• 2 July 2026: £17,495
• 6 October 2026: £16,995
• 15 October 2026: £17,495
• 3 November 2026: £17,295

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 17 February 2027.

It has had one MOT, on 18 February 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 12,709 miles. The advert says 12,000 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 12,500 miles lower than the median mileage of a 2023 Peugeot 308 on AskCar.

Similar cars

10 other 2023 Peugeot 308 GT 1.5 diesel automatic hatchbacks are for sale at UK dealers, from £13,499 to £17,499, as of 8 November 2026.

The 3 closest to this car in mileage:

• 2023 Peugeot 308 GT, 1.5 diesel hatchback, blue. Mileage: 12,895 miles. Price: £16,895, £400 less than this car. Dealer: RRG Peugeot Rochdale in Rochdale. AskCar page: https://askcar.co.uk/car/peugeot-308-2023-fbb5f5309b93
• 2023 Peugeot 308 GT, 1.5 diesel hatchback, white. Mileage: 9,500 miles. Price: £17,499, £204 more than this car. Dealer: Hawkins in Bromley. AskCar page: https://askcar.co.uk/car/peugeot-308-2023-794ce4b622d8
• 2023 Peugeot 308 GT, 1.5 diesel hatchback, green. Mileage: 14,941 miles. Price: £16,750, £545 less than this car. Dealer: W R Davies Prestatyn in Prestatyn. AskCar page: https://askcar.co.uk/car/peugeot-308-2023-63c2019281e4

• The nearest: 2023 Peugeot 308 GT, 1.5 diesel hatchback, green, 60 miles from this car. Mileage: 35,000 miles. Price: £14,750, £2,545 less than this car. Dealer: Dolphin and Sons Car Sales in High Wycombe. AskCar page: https://askcar.co.uk/car/peugeot-308-2023-b36b32cc078e