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: 17,521 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 1.0 litres
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Yellow
• CO2: 127 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Kia Stonic GT Line S has covered 17,521 miles. The AskCar estimate for this car is £14,687. It is priced at £14,370, which is £317 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 1,673 Kia Stonic cars across different ages and specifications. Since we first spotted the advert 83 days ago, the asking price has dropped by £980. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Wessex Garages Wessex Nissan, Hyundai and Kia Newport, based in Newport. 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: £317 (2%) under the AskCar estimate of £14,687.

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 83 days.

Price history

AskCar first saw this advert on 11 August 2026 at £15,350. Its asking price is now £14,370, £980 less. The latest price cut was seen on 20 October 2026.

Price changes recorded:

• 11 August 2026: £15,350
• 22 August 2026: £14,875
• 10 September 2026: £14,850
• 18 September 2026: £14,479
• 29 September 2026: £14,470
• 20 October 2026: £14,370

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 23 July 2027.

It has had one MOT, on 2 July 2026, and passed.

Advisories at the latest test: central rear child seat fitted not allowing full inspection of adult belt; nearside rear nail in tyre.

Mileage at that test: 16,836 miles, which matches the advertised 17,521 miles.

Advertised mileage is about 1,600 miles lower 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, yellow. Mileage: 17,276 miles. Price: £14,198, £172 less than this car. Dealer: Eddie Wright Car Supermarket in Scunthorpe. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-6c63916f90fd
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, yellow. Mileage: 17,854 miles. Price: £15,298, £928 more than this car. Dealer: Arnold Clark Rutherglen Volkswagen / BYD in Rutherglen. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-70fbb6d2a485
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, red. Mileage: 17,973 miles. Price: £14,999, £629 more than this car. Dealer: Alan Day (Colindale) (London) in London. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-b14e3d263919

• The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey, under a mile from this car. Mileage: 45,721 miles. Price: £13,250, £1,120 less than this car. Dealer: Wessex Garages Wessex Nissan, Hyundai and Kia Newport in Newport. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-2bb0c459e411