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: 50,000 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

The advertised mileage for this 2023 Kia Stonic GT Line S is 50,000 miles. Its asking price of £12,500 is £48 above the AskCar estimate of £12,452. The AskCar estimate draws on 1,673 Kia Stonic adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 54 days ago, the asking price has dropped by £1,000. Ask the dealer why the advert shows fewer miles than the 51,460 recorded at the latest MOT. MOT records show an expiry date of 11 July 2027. The seller is Cramlington Ford, based in Cramlington. 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: £48 (under 1%) over the AskCar estimate of £12,452.

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 54 days.

Price history

AskCar first saw this advert on 9 September 2026 at £13,500. Its asking price is now £12,500, £1,000 less. The latest price cut was seen on 30 September 2026.

Price changes recorded:

• 9 September 2026: £13,500
• 13 September 2026: £13,000
• 30 September 2026: £12,500

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 11 July 2027.

It has had one MOT, on 3 July 2026, and passed.

Advisories at the latest test: offside rear brake pad(s) wearing thin; offside rear brake disc worn, pitted or scored, but not seriously weakened.

Mileage at that test: 51,460 miles. The advert says 50,000 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 30,900 miles higher than the median mileage of a 2023 Kia Stonic on AskCar.

Similar cars

102 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 2 November 2026.

The 3 closest to this car in mileage:

• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, red. Mileage: 50,294 miles. Price: £12,798, £298 more than this car. Dealer: Arnold Clark Oldbury Fiat / Motorstore / Jeep / Abarth / BYD in Oldbury. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-948bb66c9c1a
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 51,635 miles. Price: £11,510, £990 less than this car. Dealer: Evans Halshaw BYD Chesterfield in Chesterfield. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-fadbf681e59b
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue. Mileage: 47,759 miles. Price: £10,995, £1,505 less than this car. Dealer: AutoClarity in Southport. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-029aa020e8f7

• The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, yellow, 54 miles from this car. Mileage: 31,028 miles. Price: £13,998, £1,498 more than this car. Dealer: Arnold Clark Carlisle Hyundai / Geely / Vanstore in Carlisle. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-12009aeff3be