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: 10,000 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 10,000 miles, this 2023 Kia Stonic GT Line S has covered about 9,100 fewer miles than other 2023 Kia Stonic cars. Its asking price of £17,695 is £1,176 above the AskCar estimate of £16,520. The AskCar estimate draws on 1,673 Kia Stonic adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 24 days. Its advertised mileage matches the government's MOT record. It is advertised by JCB Kia Bromley in Beckenham. 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: £1,176 (7%) over the AskCar estimate of £16,520.

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 24 days.

Price history

AskCar first saw this advert on 9 October 2026 at £17,695. 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 23 April 2027.

It has had one MOT, on 24 April 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 8,743 miles, which matches the advertised 10,000 miles.

Advertised mileage is about 9,100 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, black. Mileage: 9,966 miles. Price: £16,990, £705 less than this car. Dealer: Birchwood Kia Chichester in Chichester. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-6be206ae027d
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue. Mileage: 9,946 miles. Price: £17,498, £197 less than this car. Dealer: Arnold Clark Derby Motorstore in Derby. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-73a37710788b
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, red. Mileage: 10,069 miles. Price: £15,879, £1,816 less than this car. Dealer: Perrys Rotherham in Rotherham. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-5780dfbc4bd4

• The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue, under a mile from this car. Mileage: 13,500 miles. Price: £17,495, £200 less than this car. Dealer: JCB Kia Bromley in Bromley. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-66ed63c2b731