2021 Kia Stonic

1.0 T-GDi Mhev GT Line Manual FWD Euro 6 (s/s) 5dr (118 bhp)

£12,324

Fair price: within 8% of the typical £12,462 for this model, age and mileage, drawing on 1,698 adverts of this make and model.

Overview

Make
Kia
Model
Stonic
Trim
GT LINE
Version
1.0 T-GDi Mhev GT Line Manual FWD Euro 6 (s/s) 5dr (118 bhp)
Mileage
27,797 miles
Year
2021
Fuel type
Petrol Hybrid
Body type
SUV
Engine
1.0 L
Gearbox
Manual
Power
118 bhp
Seats
5
CO2
127 g/km
Colour
Black
Doors
5
Driven wheels
Front Wheel Drive
Engine badge
T-GDi; MHEV
Hybrid type
Mild hybrid
Emissions standard
Euro 6

About this car

At 27,797 miles, this 2021 Kia Stonic GT Line has covered about 9,300 fewer miles than other 2021 Kia Stonic cars. The dealer is asking £12,324, which is £138 below our market estimate of £12,462. We use UK dealer asking prices, including 1,698 Kia Stonic listings, and account for the car’s age, mileage and specification. Since we first spotted the advert 13 days ago, the asking price has dropped by £255. MOT records show an expiry date of 27 August 2027, and the latest recorded mileage is consistent with the advert. It is for sale at Acorn Kia St Helens in St. Helens.

Stock data from 21 October 2026.

How we estimate prices and check cars

Price history

First seen on 9 October 2026, 13 days ago. Advert duration calculated on 22 October 2026. Net asking-price reduction: £255 from the first recorded £12,579. 3 price reductions recorded, the latest observed on 18 October 2026.

Recorded asking prices
Date observedAsking price
9 October 2026£12,579
10 October 2026£12,436
13 October 2026£12,382
18 October 2026£12,324
21 October 2026£12,324

Price and mileage comparison

Estimated market asking price: £12,462. The asking price is £138 below this estimate.

The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.

The pricing calculation includes 1,698 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 9,300 miles lower than typical for a 2021 Kia Stonic.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 27 August 2027. 27,393 miles at the last test.

18 other cars with the same year, trim, gearbox and fuel are for sale from £9,990 to £12,495.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£9,99055,570 miles
£9,99572,900 miles
£10,00050,000 miles
£10,29556,734 miles
£10,79563,400 miles

These cars have covered 20,482–72,900 miles, compared with 27,797 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

Browse all Kia Stonic cars for sale · 2021 Kia Stonic price guide

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Dealer

Acorn Kia St Helens, St. Helens. Across the dealer network: 7 branches, 416 cars for sale.

Dealer postcode: WA9 1AW.

Dealer opening hours

Monday
08:30-18:00
Tuesday
08:30-18:00
Wednesday
08:30-18:00
Thursday
08:30-18:00
Friday
08:30-18:00
Saturday
09:00-17:00
Sunday
10:00-16:00

Vehicle photos