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: 13,596 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 1.0 litres
• Gearbox: Automatic (DCT)
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 129 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 13,596 miles, this 2023 Kia Stonic GT Line S has covered about 5,500 fewer miles than other 2023 Kia Stonic cars. The dealer is asking £17,498, which is £1,240 above the AskCar estimate of £16,258. To work out the AskCar estimate, we analyse UK dealer adverts for 1,673 Kia Stonic cars across different ages and specifications. We first recorded this car for sale 47 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Arnold Clark Greenock East Hamilton Street Lepas, based in Greenock. 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: £1,240 (7%) over the AskCar estimate of £16,258.

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 47 days.

Price history

AskCar first saw this advert on 16 September 2026 at £17,498. 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 2 November 2026: valid until 18 May 2027.

It failed its MOT on 18 May 2026 (nearside front outer tyre has a lump, caused by separation or partial failure of its structure) and passed 1 day later, on 19 May 2026.

There were no advisories at the latest test.

Mileage at that test: 12,943 miles, which matches the advertised 13,596 miles.

Advertised mileage is about 5,500 miles lower than the median mileage of a 2023 Kia Stonic on AskCar.

Similar cars

171 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 2 November 2026.

The 3 closest to this car in mileage:

• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, red. Mileage: 13,567 miles. Price: £16,250, £1,248 less than this car. Dealer: Peoples Falkirk in Falkirk. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-0a994d511bc9
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 13,625 miles. Price: £16,998, £500 less than this car. Dealer: Arnold Clark East Kilbride Motorstore in East Kilbride. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-962dd5b3e0ef
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, red. Mileage: 13,680 miles. Price: £16,229, £1,269 less than this car. Dealer: Halliwell Jones KIA Southport in Southport. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-bec568a89898

• The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, white, under a mile from this car. Mileage: 9,096 miles. Price: £17,998, £500 more than this car. Dealer: Arnold Clark Greenock OMODA JAECOO in Greenock. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-c11f3281782e