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: 21,267 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 1.0 litres
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Red
• CO2: 127 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Kia Stonic GT Line S has covered 21,267 miles, around 2,100 more miles than is typical for its age. The AskCar estimate for this car is £14,460. It is priced at £13,995, which is £465 below that estimate. The AskCar estimate uses 1,703 UK dealer adverts for the Kia Stonic, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale 1 day ago. Its advertised mileage matches the government's MOT record. The seller is SLM Quest Motor Group, based in Braintree. 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: £465 (3%) under the AskCar estimate of £14,460.

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 1 day ago. 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 3 November 2026 at £13,995. 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 29 June 2027.

It failed its MOT on 29 June 2026 (nearside front tyre tread depth below requirements of 1.6mm; offside front tyre tread depth below requirements of 1.6mm) and passed 1 day later, on 30 June 2026.

There were no advisories at the latest test.

Mileage at that test: 20,676 miles, which matches the advertised 21,267 miles.

Advertised mileage is about 2,100 miles higher than the median mileage of a 2023 Kia Stonic on AskCar.

Similar cars

103 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 4 November 2026.

The 3 closest to this car in mileage:

• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 20,679 miles. Price: £13,790, £205 less than this car. Dealer: The Donalds Group Donalds Kia Ipswich in Ipswich. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-6710a0502997
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 21,968 miles. Price: £14,999, £1,004 more than this car. Dealer: Bridgend Motor Group in Morley. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-e630527d5205
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 22,153 miles. Price: £14,795, £800 more than this car. Dealer: John Grose Lowestoft Kia in Lowestoft. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-20b87e0f317d

• The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue, 17 miles from this car. Mileage: 12,244 miles. Price: £14,394, £399 more than this car. Dealer: Steven Eagell Toyota Colchester in Colchester. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-d5b6d5fd6a7b