2023 Kia Stonic 1.0 T-GDi GT Line

Overview

• Make: Kia
• Model: Stonic
• Trim: GT Line
• Version: 1.0 T-GDi GT Line DCT FWD Euro 6 (s/s) 5dr (98 bhp)
• Year: 2023
• Mileage: 37,892 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 1.0 litres, 98 bhp
• Gearbox: Automatic (DCT)
• Drive: Front-wheel drive
• Colour: Yellow
• CO2: 135 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 37,892 miles on the clock, this 2023 Kia Stonic GT Line has done roughly 18,700 more miles than a typical 2023 Kia Stonic. The dealer is asking £14,399, which is £497 above the AskCar estimate of £13,902. To work out the AskCar estimate, we analyse UK dealer adverts for 1,703 Kia Stonic cars across different ages and specifications. We have tracked this advert today. Its advertised mileage matches the government's MOT record. It is for sale at Stockton Kia in Stockton-on-Tees. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £497 (3%) over the AskCar estimate of £13,902.

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 1,703 priced Kia Stonic adverts across different ages and specifications, as of 4 November 2026.

A 2023 Kia Stonic with the 1.0 petrol engine is typically advertised at £14,800: the median of the 574 for sale on AskCar, as of 4 November 2026.

Time on sale

AskCar first saw this 2023 Kia Stonic advertised today. About 4 in 10 of 2023 Kia Stonic cars are gone from sale within a month of being advertised: 344 of the 842 first advertised between 11 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 4 November 2026 at £14,399. 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 4 November 2026: valid until 5 October 2027.

It has had one MOT, on 6 October 2026, and passed.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge.

Mileage at that test: 36,894 miles, which matches the advertised 37,892 miles.

Advertised mileage is about 18,700 miles higher than the median mileage of a 2023 Kia Stonic on AskCar.

Similar cars

65 other 2023 Kia Stonic GT Line 1.0 petrol automatic SUVs are for sale at UK dealers, from £12,750 to £17,495, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2023 Kia Stonic GT Line, 1.0 petrol SUV, black. Mileage: 31,512 miles. Price: £14,250, £149 less than this car. Dealer: Brian Hill Motors in Bury. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-8481c7fc6b93
• 2023 Kia Stonic GT Line, 1.0 petrol SUV, red. Mileage: 31,358 miles. Price: £14,500, £101 more than this car. Dealer: SMC Garage Group SMC (Exeter) in Exeter. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-784136cb22b5
• 2023 Kia Stonic GT Line, 1.0 petrol SUV, yellow. Mileage: 44,664 miles. Price: £15,495, £1,096 more than this car. Dealer: Boongate Kia in Peterborough. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-c6b70082b2ef

• The nearest: 2023 Kia Stonic GT Line, 1.0 petrol SUV, red, 5 miles from this car. Mileage: 6,649 miles. Price: £14,930, £531 more than this car. Dealer: Evans Halshaw Ford Middlesbrough in Middlesbrough. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-5245f0f83497