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: 10,399 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 10,399 miles, this 2023 Kia Stonic GT Line S has covered about 8,800 fewer miles than other 2023 Kia Stonic cars. Its asking price of £17,495 is £665 above the AskCar estimate of £16,830. The AskCar estimate draws on 1,703 Kia Stonic adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 3 days ago. We checked its advertised mileage against the government's MOT record, and they match. The seller is Group 1 Kia Coulsdon, based in Coulsdon. 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: £665 (3%) over the AskCar estimate of £16,830.

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 3 days 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 1 November 2026 at £17,495. 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 18 October 2027.

It has had one MOT, on 19 October 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 10,265 miles, which matches the advertised 10,399 miles.

Advertised mileage is about 8,800 miles lower than the median mileage of a 2023 Kia Stonic on AskCar.

Similar cars

175 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 4 November 2026.

The 3 closest to this car in mileage:

• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 10,405 miles. Price: £17,495, the same price as this car. Dealer: Llandudno Kia in Llandudno. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-1b2c32f823d3
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, red. Mileage: 10,472 miles. Price: £15,990, £1,505 less than this car. Dealer: The Donalds Group Donalds Kia Bury St Edmunds in Bury St Edmunds. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-b1bf0427cf00
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, black. Mileage: 10,316 miles. Price: £16,863, £632 less than this car. Dealer: TMS Kia Leicester in Leicester. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-c19b75eb4f65

• The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey, 7 miles from this car. Mileage: 10,000 miles. Price: £17,695, £200 more than this car. Dealer: JCB Kia Bromley in Bromley. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-27d7e3d1822b