2023 Kia Stonic 1.0 T-GDi MHEV GT Line

Overview

• Make: Kia
• Model: Stonic
• Trim: GT Line
• Version: 1.0 T-GDi Mhev GT Line DCT FWD Euro 6 (s/s) 5dr (118 bhp)
• Year: 2023
• Mileage: 10,800 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 1.0 litres, 118 bhp
• Gearbox: Automatic (DCT)
• Drive: Front-wheel drive
• Colour: Black
• CO2: 129 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 10,800 miles, this 2023 Kia Stonic GT Line has covered about 8,300 fewer miles than other 2023 Kia Stonic cars. Priced at £15,390, it is advertised £730 below the AskCar estimate of £16,120. The AskCar estimate draws on 1,673 Kia Stonic adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 26 days ago, the asking price has dropped by £600. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at MAB Autos in Luton. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £730 (4%) under the AskCar estimate of £16,120.

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 1,673 priced Kia Stonic adverts across different ages and specifications, as of 2 November 2026.

A 2023 Kia Stonic with the 1.0 petrol engine is typically advertised at £14,800: the median of the 558 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2023 Kia Stonic has been on sale for at least 26 days.

Price history

AskCar first saw this advert on 7 October 2026 at £15,990. Its asking price is now £15,390, £600 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 7 October 2026: £15,990
• 15 October 2026: £15,890
• 21 October 2026: £15,590
• 27 October 2026: £15,490
• 30 October 2026: £15,390

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 28 February 2027.

It has had one MOT, on 27 February 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 8,977 miles, which matches the advertised 10,800 miles.

Advertised mileage is about 8,300 miles lower than the median mileage of a 2023 Kia Stonic on AskCar.

Similar cars

60 other 2023 Kia Stonic GT Line 1.0 petrol automatic SUVs are for sale at UK dealers, from £10,809 to £17,495, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2023 Kia Stonic GT Line, 1.0 petrol SUV, red. Mileage: 10,619 miles. Price: £15,499, £109 more than this car. Dealer: Lookers Kia Chester in Chester. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-3fb143499373
• 2023 Kia Stonic GT Line, 1.0 petrol SUV, red. Mileage: 11,107 miles. Price: £15,995, £605 more than this car. Dealer: Perrys Rotherham in Rotherham. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-2eb1b8d82f4f
• 2023 Kia Stonic GT Line, 1.0 petrol SUV, blue. Mileage: 11,567 miles. Price: £16,995, £1,605 more than this car. Dealer: Brayleys Cars Brayley Honda Enfield in Enfield. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-1383b103749f

• The nearest: 2023 Kia Stonic GT Line, 1.0 petrol SUV, blue, 3 miles from this car. Mileage: 86,997 miles. Price: £13,900, £1,490 less than this car. Dealer: Quality Part X Dunstable in Dunstable. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-47f7bedc2c1f