2020 Mazda Mazda3 2.0 SKYACTIV-G MHEV GT Sport
Price: £12,499. Fair price: £479 (3%) over the AskCar estimate of £12,020, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,237 priced Mazda Mazda3 adverts on AskCar as of 7 November 2026.
AskCar lists 1,285 used Mazda Mazda3 from 678 UK dealerships, as of 7 November 2026.
Overview
- Make: Mazda
- Model: Mazda3
- Trim: GT Sport
- Version: 2.0 SKYACTIV-G Mhev GT Sport Manual FWD Euro 6 (s/s) 5dr (120 bhp)
- Year: 2020
- Mileage: 57,000 miles
- Fuel: Petrol, mild hybrid
- Body: Hatchback, 5 doors, 5 seats
- Engine: 2.0 litres, 120 bhp
- Gearbox: Manual
- Drive: Front-wheel drive
- Colour: Red
- CO2: 119 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
With 57,000 miles on the clock, this 2020 Mazda Mazda3 GT Sport has done roughly 7,100 more miles than a typical 2020 Mazda Mazda3. The dealer is asking £12,499, which is £479 above the AskCar estimate of £12,020. To work out the AskCar estimate, we analyse UK dealer adverts for 1,237 Mazda Mazda3 cars across different ages and specifications. We first recorded this advert 44 days ago, and its asking price has since fallen by £500. Its advertised mileage matches the government's MOT record. It is for sale at Trust Motor Company in Ferndown. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 7 November 2026.
Price
Fair price: £479 (3%) over the AskCar estimate of £12,020.
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 1,237 priced Mazda Mazda3 adverts across different ages and specifications, as of 7 November 2026.
A 2020 Mazda Mazda3 with the 2.0 petrol engine is typically advertised at £12,700: the median of the 73 for sale on AskCar, as of 7 November 2026.
Time on sale
This 2020 Mazda Mazda3 has been on sale for at least 44 days.
Price history
AskCar first saw this advert on 24 September 2026 at £12,999. Its asking price is now £12,499, £500 less. The latest price cut was seen on 14 October 2026.
Price changes recorded:
- 24 September 2026: £12,999
- 9 October 2026: £12,750
- 14 October 2026: £12,499
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 23 September 2027.
It has had 4 MOTs. The latest, on 24 September 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 57,405 miles, which matches the advertised 57,000 miles.
Advertised mileage is about 7,100 miles higher than the median mileage of a 2020 Mazda Mazda3 on AskCar.
Similar cars
14 other 2020 Mazda Mazda3 GT Sport 2.0 petrol manual hatchbacks are for sale at UK dealers, from £9,450 to £14,450, as of 7 November 2026.
The 3 closest to this car in mileage:
- 2020 Mazda Mazda3 GT Sport, 2.0 petrol hatchback, red. Mileage: 56,809 miles. Price: £12,000, £499 less than this car. Dealer: Victoria Park Mazda in Cardiff. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2020-90cb1a9a5fdc
- 2020 Mazda Mazda3 GT Sport, 2.0 petrol hatchback, grey. Mileage: 53,639 miles. Price: £12,498, the same price as this car. Dealer: Arnold Clark Stirling Mazda / MG in Stirling. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2020-38f6b23a5e0f
- 2020 Mazda Mazda3 GT Sport, 2.0 petrol hatchback, grey. Mileage: 60,733 miles. Price: £12,299, £200 less than this car. Dealer: Hendy Ford Tunbridge Wells in Royal Tunbridge Wells. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2020-1d813b311273
- The nearest: 2020 Mazda Mazda3 GT Sport, 2.0 petrol hatchback, grey, 59 miles from this car. Mileage: 61,872 miles. Price: £12,599, £100 more than this car. Dealer: Eden Mazda Reading in Reading. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2020-901553c08da7
Browse all Mazda Mazda3 cars for sale · 2020 Mazda Mazda3 price guide
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Photos
58 photos of this car are on its AskCar page.
As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.