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: 23,713 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 1.0 litres
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 127 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 23,713 miles on the clock, this 2023 Kia Stonic GT Line S has done roughly 4,600 more miles than a typical 2023 Kia Stonic. The AskCar estimate for this car is £14,289. It is priced at £15,295, which is £1,006 above that estimate. 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 147 days ago, the asking price has dropped by £700. Its advertised mileage matches the government's MOT record. The seller is Waylands Kia Reading, based in Reading. 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: £1,006 (7%) over the AskCar estimate of £14,289.

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 147 days.

Price history

AskCar first saw this advert on 8 June 2026 at £15,995. Its asking price is now £15,295, £700 less. The latest price cut was seen on 1 November 2026.

Price changes recorded:

• 10 August 2026: £15,995
• 8 September 2026: £15,795
• 19 September 2026: £15,495
• 1 November 2026: £15,295

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 8 June 2027.

It has had one MOT, on 9 June 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 22,346 miles, which matches the advertised 23,713 miles.

Advertised mileage is about 4,600 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 2 November 2026.

The 3 closest to this car in mileage:

• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue. Mileage: 23,700 miles. Price: £15,500, £205 more than this car. Dealer: Proven (Haslemere) in Haslemere. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-66292cdb06b9
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, red. Mileage: 23,688 miles. Price: £13,595, £1,700 less than this car. Dealer: Charles Hurst Kia Newtownabbey in Newtownabbey. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-49c461e448a4
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 23,633 miles. Price: £14,394, £901 less than this car. Dealer: Citygate KIA & ORA High Wycombe in High Wycombe. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-dfd49cc87f9f

• The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue, under a mile from this car. Mileage: 5,202 miles. Price: £16,495, £1,200 more than this car. Dealer: Waylands Kia Reading in West End. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-860ad550abfe