2023 Kia Stonic 1.0 GT Line

Overview

• Make: Kia
• Model: Stonic
• Trim: GT Line
• Version: 1.0 T-GDi GT Line DCT FWD Euro 6 (s/s) 5dr
• Year: 2023
• Mileage: 26,440 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 1.0 litres
• Gearbox: Automatic (DCT)
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 135 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 26,440 miles on the clock, this 2023 Kia Stonic GT Line has done roughly 7,500 more miles than a typical 2023 Kia Stonic. The AskCar estimate for this car is £15,078. It is priced at £13,970, which is £1,108 below that estimate. The AskCar estimate uses UK dealer asking prices, including 1,701 Kia Stonic adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 48 days ago. Its asking price has since fallen by £910. We checked its advertised mileage against the government's MOT record, and they match. The seller is Big Motoring World Peterborough, based in Peterborough. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,108 (7%) under the AskCar estimate of £15,078.

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 1,701 priced Kia Stonic adverts across different ages and specifications, as of 5 November 2026.

A 2023 Kia Stonic with the 1.0 petrol engine is typically advertised at £14,800: the median of the 575 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2023 Kia Stonic has been on sale for at least 48 days.

Price history

AskCar first saw this advert on 18 September 2026 at £14,880. Its asking price is now £13,970, £910 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

• 18 September 2026: £14,880
• 19 September 2026: £14,870
• 20 September 2026: £14,590
• 22 September 2026: £14,570
• 6 October 2026: £14,520
• 8 October 2026: £14,510
• 9 October 2026: £14,500
• 13 October 2026: £14,370
• 14 October 2026: £14,320
• 16 October 2026: £14,300
• 17 October 2026: £14,270
• 21 October 2026: £13,770
• 4 November 2026: £14,030
• 5 November 2026: £13,970

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 2 June 2027.

It failed its MOT on 29 May 2026 (nearside front brake pad(s) less than 1.5 mm thick; offside front brake pad(s) less than 1.5 mm thick; offside rear brake pad(s) less than 1.5 mm thick; and 5 more) and passed 5 days later, on 3 June 2026.

There were no advisories at the latest test.

Mileage at that test: 25,908 miles, which matches the advertised 26,440 miles.

Advertised mileage is about 7,500 miles higher than the median mileage of a 2023 Kia Stonic on AskCar.

Similar cars

67 other 2023 Kia Stonic GT Line 1.0 petrol automatic SUVs are for sale at UK dealers, from £12,550 to £17,495, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2023 Kia Stonic GT Line, 1.0 petrol SUV, blue. Mileage: 25,292 miles. Price: £15,498, £1,528 more than this car. Dealer: Arnold Clark Liverpool Motorstore / MG / Chery in Liverpool. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-1226ee033e08
• 2023 Kia Stonic GT Line, 1.0 petrol SUV, red. Mileage: 24,718 miles. Price: £14,799, £829 more than this car. Dealer: TMS Kia Hinckley in Hinckley. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-7cd9117a2610
• 2023 Kia Stonic GT Line, 1.0 petrol SUV, grey. Mileage: 24,301 miles. Price: £15,199, £1,229 more than this car. Dealer: Premier Kia Dukinfield in Dukinfield. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-aad0e67e2a1d

• The nearest: 2023 Kia Stonic GT Line, 1.0 petrol SUV, yellow, under a mile from this car. Mileage: 44,664 miles. Price: £15,495, £1,525 more than this car. Dealer: Boongate Kia in Peterborough. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-c6b70082b2ef