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 (118 bhp)
• Year: 2023
• Mileage: 26,455 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 1.0 litres, 118 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 127 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 26,455 miles on the clock, this 2023 Kia Stonic GT Line S has done roughly 7,300 more miles than a typical 2023 Kia Stonic. The dealer is asking £13,990, which is £130 above the AskCar estimate of £13,860. To work out the AskCar estimate, we analyse UK dealer adverts for 1,703 Kia Stonic cars across different ages and specifications. We first recorded this advert 25 days ago, and its asking price has since fallen by £521. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Citygate Kia Slough, based in Slough. 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: £130 (under 1%) over the AskCar estimate of £13,860.

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 25 days.

Price history

AskCar first saw this advert on 10 October 2026 at £14,511. Its asking price is now £13,990, £521 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

• 10 October 2026: £14,511
• 16 October 2026: £14,391
• 23 October 2026: £14,311
• 29 October 2026: £14,225
• 3 November 2026: £13,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 19 September 2027.

It failed its MOT on 1 September 2026 (front brake pad(s) less than 1.5 mm thick; front brakes imbalanced across an axle; rear brakes imbalanced across an axle; and 1 more) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 25,715 miles, which matches the advertised 26,455 miles.

Advertised mileage is about 7,300 miles higher than the median mileage of a 2023 Kia Stonic on AskCar.

Similar cars

103 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 4 November 2026.

The 3 closest to this car in mileage:

• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, red. Mileage: 26,500 miles. Price: £14,250, £260 more than this car. Dealer: FJ Chalke - Nissan, Yeovil in Yeovil. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-f1466d2c79b7
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 26,064 miles. Price: £13,990, the same price as this car. Dealer: Direct Cars in Sheffield. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-1750b1280ab5
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, red. Mileage: 26,900 miles. Price: £13,995, the same price as this car. Dealer: Fine Cars in Lee-on-the-Solent. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-589144937370

• The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, yellow, under a mile from this car. Mileage: 16,735 miles. Price: £14,249, £259 more than this car. Dealer: Citygate Kia Slough in Slough. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-837920a6d3be