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 Manual FWD Euro 6 (s/s) 5dr
• Year: 2023
• Mileage: 42,674 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 1.0 litres
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 127 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Kia Stonic GT Line S has covered 42,674 miles, around 23,400 more miles than is typical for its age. Its asking price of £12,491 is £359 below the AskCar estimate of £12,850. To work out the AskCar estimate, we analyse UK dealer adverts for 1,707 Kia Stonic cars across different ages and specifications. It first appeared in our advert records 5 days ago. We checked its advertised mileage against the government's MOT record, and they match. The seller is Carsa Gloucester, based in Gloucester. 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: £359 (2%) under the AskCar estimate of £12,850.

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 5 days ago. 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 5 November 2026 at £12,491. 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 10 November 2026: valid until 19 July 2027.

It has had one MOT, on 17 July 2026, and passed.

Advisories at the latest test: front brake pad(s) wearing thin; offside front brake disc worn, but not excessively; nearside front brake disc worn, but not excessively; and 7 more.

Mileage at that test: 40,067 miles, which matches the advertised 42,674 miles.

Advertised mileage is about 23,400 miles higher than the median mileage of a 2023 Kia Stonic on AskCar.

Similar cars

104 other 2023 Kia Stonic GT Line S 1.0 petrol manual SUVs are for sale at UK dealers, from £10,060 to £16,495, 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: 41,862 miles. Price: £12,698, £207 more than this car. Dealer: Arnold Clark Oldbury Fiat / Motorstore / Jeep / Abarth / BYD in Oldbury. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-21b1c7d7f5fd
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, black. Mileage: 41,000 miles. Price: £13,495, £1,004 more than this car. Dealer: T Wall Approved in Kingswinford. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-795e5b8fcf0b
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, red. Mileage: 44,576 miles. Price: £12,450, the same price as this car. Dealer: Fish Brothers Kia in Swindon. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-d857b282ccff

• The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue, 2 miles from this car. Mileage: 15,731 miles. Price: £11,484, £1,007 less than this car. Dealer: Quayside Cars in Gloucester. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-39f06f1da8a4