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 Manual FWD Euro 6 (s/s) 5dr
• Year: 2023
• Mileage: 51,635 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 1.0 litres
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 127 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Kia Stonic GT Line S has covered 51,635 miles, around 32,700 more miles than is typical for its age. Its asking price of £11,510 is £848 below the AskCar estimate of £12,358. To work out the AskCar estimate, we analyse UK dealer adverts for 1,701 Kia Stonic cars across different ages and specifications. The asking price is now £1,280 lower than when we first recorded the advert 58 days ago. We checked its advertised mileage against the government's MOT record, and they match. The seller is Evans Halshaw BYD Chesterfield, based in Chesterfield. 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: £848 (6%) under the AskCar estimate of £12,358.

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 58 days.

Price history

AskCar first saw this advert on 8 September 2026 at £12,790. Its asking price is now £11,510, £1,280 less. The latest price cut was seen on 22 October 2026.

Price changes recorded:

• 8 September 2026: £12,790
• 9 September 2026: £12,090
• 29 September 2026: £12,000
• 2 October 2026: £11,950
• 7 October 2026: £11,750
• 13 October 2026: £11,680
• 22 October 2026: £11,510

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 15 June 2027.

It has had one MOT, on 16 June 2026, and passed.

Advisories at the latest test: rear brake pad(s) wearing thin; central rear seat belt webbing slightly damaged or frayed.

Mileage at that test: 51,113 miles, which matches the advertised 51,635 miles.

Advertised mileage is about 32,700 miles higher than the median mileage of a 2023 Kia Stonic on AskCar.

Similar cars

102 other 2023 Kia Stonic GT Line S 1.0 petrol manual SUVs are for sale at UK dealers, from £10,060 to £16,495, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, red. Mileage: 50,294 miles. Price: £12,798, £1,288 more than this car. Dealer: Arnold Clark Oldbury Fiat / Motorstore / Jeep / Abarth / BYD in Oldbury. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-948bb66c9c1a
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 50,000 miles. Price: £12,500, £990 more than this car. Dealer: Cramlington Ford in Cramlington. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-0a8e88b5ca01
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 53,500 miles. Price: £11,495, the same price as this car. Dealer: Premier Car Supermarket Northampton in Kettering. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-415204cb9730

• The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey, under a mile from this car. Mileage: 10,458 miles. Price: £15,998, £4,488 more than this car. Dealer: Arnold Clark Chesterfield Motorstore / Vanstore in Chesterfield. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-41894be9641a