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: 8,646 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: Yellow
• CO2: 129 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Kia Stonic GT Line S is advertised with 8,646 miles, approximately 10,500 below the typical mileage for its age. The AskCar estimate for this car is £17,086. It is priced at £16,836, which is £250 below that estimate. The AskCar estimate uses 1,673 UK dealer adverts for the Kia Stonic, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 5 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Drayton Motors Grantham, based in Grantham. 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

Fair price: £250 (1%) under the AskCar estimate of £17,086.

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 £16,836. 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 22 September 2027.

It failed its MOT on 25 August 2026 (offside windscreen wiper does not clear the windscreen effectively) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 8,087 miles, which matches the advertised 8,646 miles.

Advertised mileage is about 10,500 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, yellow. Mileage: 8,988 miles. Price: £16,625, £211 less than this car. Dealer: Vertu Kia Barnsley in Barnsley. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-1cb9510505ab
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, yellow. Mileage: 8,988 miles. Price: £16,625, £211 less than this car. Dealer: Vertu Kia Barnsley in Barnsley. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-e5feb83c5a13
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, white. Mileage: 9,094 miles. Price: £15,485, £1,351 less than this car. Dealer: One Stop Car Shop in Manchester. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-ce0cd963141d

• The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue, 20 miles from this car. Mileage: 7,885 miles. Price: £17,495, £659 more than this car. Dealer: Barretts in Corby. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-3b57972ecb6e