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: 66,694 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

With 66,694 miles on the clock, this 2023 Kia Stonic GT Line S has done roughly 47,500 more miles than a typical 2023 Kia Stonic. The dealer is asking £11,995, which is £490 below the AskCar estimate of £12,485. To work out the AskCar estimate, we analyse UK dealer adverts for 1,703 Kia Stonic cars across different ages and specifications. This car was first seen in our listings data 28 days ago. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by Rox Cars in Walsall. 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: £490 (3%) under the AskCar estimate of £12,485.

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

This 2023 Kia Stonic has been on sale for at least 28 days.

Price history

AskCar first saw this advert on 7 October 2026 at £11,995. 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 9 July 2027.

It has had one MOT, on 10 July 2026, and passed.

Advisories at the latest test: front registration plate deteriorated but not likely to be misread; front brake pad(s) wearing thin 3mm; rear brake pad(s) wearing thin 3mm; and 2 more.

Mileage at that test: 62,400 miles, which matches the advertised 66,694 miles.

Advertised mileage is about 47,500 miles higher 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: 65,429 miles. Price: £12,950, £955 more than this car. Dealer: Beech Garage Car Sales in Liverpool. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-6fbb60ef53ee
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 69,255 miles. Price: £12,491, £496 more than this car. Dealer: Quality Part X Dunstable in Dunstable. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-c019fff23807
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, yellow. Mileage: 61,777 miles. Price: £11,845, £150 less than this car. Dealer: Lloyd South Lakes Kia in Kendal. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-76c941c308fd

• The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue, under a mile from this car. Mileage: 38,909 miles. Price: £13,850, £1,855 more than this car. Dealer: Rox Cars in Aldridge. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-84bce32ed4a3