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: 69,170 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

This 2023 Kia Stonic GT Line S has covered 69,170 miles, around 50,000 more miles than is typical for its age. Its asking price of £10,390 is £447 below the AskCar estimate of £10,837. The AskCar estimate draws on 1,703 Kia Stonic adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 120 days ago, the asking price has dropped by £1,310. Its advertised mileage matches the government's MOT record. The seller is Quality Part X Dunstable, based in Dunstable. 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: £447 (4%) under the AskCar estimate of £10,837.

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 120 days.

Price history

AskCar first saw this advert on 7 July 2026 at £11,700. Its asking price is now £10,390, £1,310 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 8 July 2026: £11,700
• 10 July 2026: £11,691
• 13 July 2026: £11,666
• 15 July 2026: £11,661
• 17 July 2026: £11,621
• 20 July 2026: £11,600
• 22 July 2026: £11,596
• 24 July 2026: £11,591
• 28 July 2026: £11,586
• 30 July 2026: £11,581
• 31 July 2026: £11,556
• 3 August 2026: £11,535
• 5 August 2026: £11,521
• 6 August 2026: £11,500
• 7 August 2026: £11,480
• 10 August 2026: £11,479
• 13 August 2026: £11,476
• 15 August 2026: £11,471
• 17 August 2026: £11,466
• 19 August 2026: £11,400
• 21 August 2026: £11,386
• 23 August 2026: £11,376
• 25 August 2026: £11,351
• 28 August 2026: £11,346
• 30 August 2026: £11,341
• 2 September 2026: £11,296
• 4 September 2026: £11,291
• 7 September 2026: £11,286
• 9 September 2026: £11,281
• 17 September 2026: £11,276
• 23 September 2026: £11,180
• 28 September 2026: £11,176
• 30 September 2026: £11,166
• 2 October 2026: £11,161
• 3 October 2026: £10,980
• 5 October 2026: £10,971
• 7 October 2026: £10,900
• 9 October 2026: £10,861
• 13 October 2026: £10,800
• 15 October 2026: £10,701
• 19 October 2026: £10,600
• 21 October 2026: £10,551
• 23 October 2026: £10,446
• 26 October 2026: £10,400
• 30 October 2026: £10,396
• 2 November 2026: £10,395
• 4 November 2026: £10,390

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 6 April 2027.

It has had one MOT, on 7 April 2026, and passed.

Advisories at the latest test: front windscreen wiper blade defective; nearside side repeater lens defective which has no effect on emitted light.

Mileage at that test: 63,587 miles, which matches the advertised 69,170 miles.

Advertised mileage is about 50,000 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, grey. Mileage: 67,107 miles. Price: £10,060, £330 less than this car. Dealer: Evans Halshaw MG York in York. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-06fd324f0f0f
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, red. Mileage: 75,162 miles. Price: £11,498, £1,108 more than this car. Dealer: Arnold Clark Stoke-on-Trent Motorstore in Stoke-on-Trent. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-f170a68e95d7
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, red. Mileage: 61,418 miles. Price: £11,500, £1,110 more than this car. Dealer: Paynes Of Hinckley in Hinckley. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-8496bfbe7544

• The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey, under a mile from this car. Mileage: 58,991 miles. Price: £11,096, £706 more than this car. Dealer: Quality Part X Dunstable in Dunstable. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-afe0cd82acfc