2023 Kia Stonic 1.0 T-GDi MHEV GT Line S

Overview

• Make: Kia
• Model: Stonic
• Trim: GT Line S
• Version: 1.0 T-GDi Mhev GT Line S DCT FWD Euro 6 (s/s) 5dr
• Year: 2023
• Mileage: 8,988 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 1.0 litres
• Gearbox: Automatic (DCT)
• Drive: Front-wheel drive
• Colour: Yellow
• CO2: 129 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Kia Stonic GT Line S is advertised with 8,988 miles, approximately 10,200 below the typical mileage for its age. Priced at £16,577, it is advertised £83 below the AskCar estimate of £16,660. The AskCar estimate uses 1,703 UK dealer adverts for the Kia Stonic, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 111 days ago, the asking price has dropped by £430. We checked its advertised mileage against the government's MOT record, and they match. The seller is Vertu Kia Barnsley, based in Barnsley. 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: £83 (under 1%) under the AskCar estimate of £16,660.

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

This 2023 Kia Stonic has been on sale for at least 111 days.

Price history

AskCar first saw this advert on 16 July 2026 at £17,007. Its asking price is now £16,577, £430 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

• 17 July 2026: £17,007
• 18 July 2026: £16,955
• 21 July 2026: £17,417
• 29 July 2026: £17,465
• 1 August 2026: £17,360
• 3 August 2026: £17,345
• 5 August 2026: £17,305
• 9 August 2026: £17,275
• 10 August 2026: £17,163
• 12 August 2026: £17,109
• 13 August 2026: £17,065
• 16 August 2026: £16,977
• 19 August 2026: £17,004
• 22 August 2026: £16,932
• 25 August 2026: £16,885
• 28 August 2026: £16,876
• 1 September 2026: £16,833
• 4 September 2026: £16,706
• 9 September 2026: £16,636
• 14 October 2026: £15,597
• 22 October 2026: £16,940
• 23 October 2026: £16,681
• 24 October 2026: £16,655
• 1 November 2026: £16,625
• 3 November 2026: £16,577

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 29 June 2027.

It has had one MOT, on 26 June 2026, and passed.

Advisories at the latest test: both front wipers starting to smear. o/s/f repeater lens split on mirror. nails in o/s/r and n/s/f tyres.

Mileage at that test: 8,718 miles, which matches the advertised 8,988 miles.

Advertised mileage is about 10,200 miles lower than the median mileage of a 2023 Kia Stonic on AskCar.

Similar cars

175 other 2023 Kia Stonic GT Line S 1.0 petrol automatic SUVs are for sale at UK dealers, from £11,395 to £17,998, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, white. Mileage: 9,094 miles. Price: £15,485, £1,092 less than this car. Dealer: One Stop Car Shop in Manchester. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-ce0cd963141d
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, white. Mileage: 9,096 miles. Price: £17,998, £1,421 more than this car. Dealer: Arnold Clark Greenock OMODA JAECOO in Greenock. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-c11f3281782e
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 9,126 miles. Price: £15,227, £1,350 less than this car. Dealer: Carsa Wolverhampton in Wolverhampton. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-08727fae4f5e

• The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, red, 9 miles from this car. Mileage: 10,069 miles. Price: £15,879, £698 less than this car. Dealer: Perrys Rotherham in Rotherham. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-5780dfbc4bd4