2021 Kia Stonic

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

£16,495

Above the going rate: £1,508 over the typical £14,987 for this model, age and mileage, drawing on 1,698 adverts of this make and model.

Overview

Make: Kia
Model: Stonic
Trim: GT LINE S
Version: 1.0 T-GDi Mhev GT Line S DCT FWD Euro 6 (s/s) 5dr (118 bhp)
Mileage: 18,819 miles
Year: 2021
Fuel type: Petrol Hybrid
Body type: SUV
Engine: 1.0 L
Gearbox: Automatic
Power: 118 bhp
Seats: 5
CO2: 129 g/km
Colour: Grey
Doors: 5
Driven wheels: Front Wheel Drive
Gearbox version: DCT
Engine badge: T-GDi; MHEV
Hybrid type: Mild hybrid
Emissions standard: Euro 6

About this car

This 2021 Kia Stonic GT Line S is advertised with 18,819 miles, approximately 18,200 below the typical mileage for its age. Its asking price of £16,495 is £1,508 above our estimate of £14,987. The estimate uses 1,698 UK dealer adverts for the Kia Stonic, with adjustments for age, mileage, trim, engine and other specifications. It first appeared in our advert records 107 days ago. The recorded MOT expired on 15 October 2026, so ask the dealer whether it has been renewed. Our comparison with the latest MOT reading has not flagged a mileage discrepancy. The seller is Triangle Of Chesterfield, based in Chesterfield.

Stock data from 21 October 2026.

How we estimate prices and check cars

Price history

First seen on 7 July 2026, 107 days ago. Advert duration calculated on 22 October 2026.

Recorded asking prices
Date observed	Asking price
5 September 2026	£16,495
21 October 2026	£16,495

Price and mileage comparison

Estimated market asking price: £14,987. The asking price is £1,508 above 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 18,200 miles lower than typical for a 2021 Kia Stonic.

The advertised mileage is consistent with the last MOT reading.

The recorded MOT has expired; ask the dealer for an up-to-date MOT.

MOT

MOT valid until 15 October 2026. 15,488 miles at the last test.

10 other cars with the same year, trim, gearbox and fuel are for sale from £10,490 to £16,195.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£10,490	81,000 miles
£13,554	29,683 miles
£13,700	26,694 miles
£13,990	24,501 miles
£14,000	28,401 miles

These cars have covered 13,000–81,000 miles, compared with 18,819 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

Triangle Of Chesterfield, Chesterfield. Across the dealer network: 132 branches, 1,639 cars for sale.

Dealer postcode: S41 9AD.

Dealer opening hours

Monday: 08:00-18:00
Tuesday: 08:00-18:00
Wednesday: 08:00-18:00
Thursday: 08:00-18:00
Friday: 08:00-18:00
Saturday: 08:00-16:00
Sunday: Closed