2023 Kia Stonic 1.0 T-GDi MHEV GT Line

Overview

• Make: Kia
• Model: Stonic
• Trim: GT Line
• Version: 1.0 T-GDi Mhev GT Line DCT FWD Euro 6 (s/s) 5dr (118 bhp)
• Year: 2023
• Mileage: 31,358 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: Red
• CO2: 129 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 31,358 miles on the clock, this 2023 Kia Stonic GT Line has done roughly 12,200 more miles than a typical 2023 Kia Stonic. Its asking price of £14,500 is £195 below the AskCar estimate of £14,695. The AskCar estimate uses 1,673 UK dealer adverts for the Kia Stonic, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 154 days ago, the asking price has dropped by £750. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is SMC Garage Group SMC (Exeter), based in Exeter. 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: £195 (1%) under the AskCar estimate of £14,695.

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

This 2023 Kia Stonic has been on sale for at least 154 days.

Price history

AskCar first saw this advert on 1 June 2026 at £15,250. Its asking price is now £14,500, £750 less. The latest price cut was seen on 21 October 2026.

Price changes recorded:

• 1 June 2026: £15,250
• 9 July 2026: £14,995
• 26 September 2026: £14,750
• 21 October 2026: £14,500

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 1 February 2027.

It has had one MOT, on 2 February 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 28,059 miles, which matches the advertised 31,358 miles.

Advertised mileage is about 12,200 miles higher than the median mileage of a 2023 Kia Stonic on AskCar.

Similar cars

60 other 2023 Kia Stonic GT Line 1.0 petrol automatic SUVs are for sale at UK dealers, from £10,809 to £17,495, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2023 Kia Stonic GT Line, 1.0 petrol SUV, black. Mileage: 31,512 miles. Price: £14,250, £250 less than this car. Dealer: Brian Hill Motors in Bury. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-8481c7fc6b93
• 2023 Kia Stonic GT Line, 1.0 petrol SUV, blue. Mileage: 30,420 miles. Price: £15,690, £1,190 more than this car. Dealer: Furrows Used Car Centre Telford in Telford. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-6b216ea6839f
• 2023 Kia Stonic GT Line, 1.0 petrol SUV, red. Mileage: 30,251 miles. Price: £15,097, £597 more than this car. Dealer: Startin Kia Warwick in Warwick. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-b3fefc08ce2e

• The nearest: 2023 Kia Stonic GT Line, 1.0 petrol SUV, red, 12 miles from this car. Mileage: 14,690 miles. Price: £15,990, £1,490 more than this car. Dealer: Speedwell Kia in Newton Abbot. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-5cc8c25ec5c3