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: 21,594 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: Grey
• CO2: 129 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 21,594 miles, this 2023 Kia Stonic GT Line S has covered about 2,300 more miles than other 2023 Kia Stonic cars. The AskCar estimate for this car is £15,789. It is priced at £16,990, which is £1,201 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 1,707 Kia Stonic cars across different ages and specifications. This car was first seen in our listings data today. It is advertised by Speedwell Kia in Exeter. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 10 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,201 (7%) over the AskCar estimate of £15,789.

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 1,707 priced Kia Stonic adverts across different ages and specifications, as of 10 November 2026.

A 2023 Kia Stonic with the 1.0 petrol engine is typically advertised at £14,700: the median of the 574 for sale on AskCar, as of 10 November 2026.

Time on sale

AskCar first saw this 2023 Kia Stonic advertised today. About 4 in 10 of 2023 Kia Stonic cars are gone from sale within a month of being advertised: 367 of the 910 first advertised between 11 July 2026 and 7 October 2026.

Price history

AskCar first saw this advert on 10 November 2026 at £16,990. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 2,300 miles higher than the median mileage of a 2023 Kia Stonic on AskCar.

Similar cars

181 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 10 November 2026.

The 3 closest to this car in mileage:

• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 21,786 miles. Price: £15,750, £1,240 less than this car. Dealer: Fish Brothers Kia in Swindon. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-22211d0b6a33
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, red. Mileage: 21,855 miles. Price: £16,291, £699 less than this car. Dealer: Peter Cooper Kia Hedge End in Hedge End. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-3546596d16c9
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 21,294 miles. Price: £15,499, £1,491 less than this car. Dealer: Hendy Car Store Portsmouth in Portsmouth. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-e049ca4eb2b5

• The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue, under a mile from this car. Mileage: 13,005 miles. Price: £17,990, £1,000 more than this car. Dealer: Speedwell Kia in Exeter. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-aee785a22a49