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 (118 bhp)
• Year: 2023
• Mileage: 13,005 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 1.0 litres, 118 bhp
• Gearbox: Automatic (DCT)
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 129 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 13,005 miles, this 2023 Kia Stonic GT Line S has covered about 6,100 fewer miles than other 2023 Kia Stonic cars. The dealer is asking £17,990, which is £1,337 above the AskCar estimate of £16,653. To work out the AskCar estimate, we analyse UK dealer adverts for 1,673 Kia Stonic cars across different ages and specifications. We have tracked this advert for 5 days. Its advertised mileage matches the government's MOT record. The seller is Speedwell Kia, based in Exeter. 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

Above the going rate: £1,337 (8%) over the AskCar estimate of £16,653.

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

AskCar first saw this 2023 Kia Stonic advertised 5 days ago. About 4 in 10 of 2023 Kia Stonic cars are gone from sale within a month of being advertised: 328 of the 810 first advertised between 11 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 28 October 2026 at £17,990. 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 29 September 2027.

It has had one MOT, on 21 September 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 12,309 miles, which matches the advertised 13,005 miles.

Advertised mileage is about 6,100 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, blue. Mileage: 13,185 miles. Price: £16,694, £1,296 less than this car. Dealer: Citygate Kia Watford in Watford. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-0956354478e3
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, white. Mileage: 13,211 miles. Price: £17,498, £492 less than this car. Dealer: Arnold Clark St Helens Renault / Dacia / Vanstore in St Helens. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-435f786f9365
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue. Mileage: 13,247 miles. Price: £16,099, £1,891 less than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-5ca65140ff18

• The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue, 12 miles from this car. Mileage: 14,000 miles. Price: £16,990, £1,000 less than this car. Dealer: Speedwell Kia in Newton Abbot. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-245dd8148a47