2020 Mazda Mazda3 2.0 SKYACTIV-G MHEV GT Sport

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: 56,809 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

This 2020 Mazda Mazda3 GT Sport is advertised with 56,809 miles, approximately 6,900 above the typical mileage for its age. The AskCar estimate for this car is £12,035. It is priced at £12,000, which is £35 below that estimate. The AskCar estimate uses UK dealer asking prices, including 1,237 Mazda Mazda3 adverts, and accounts for the car’s age, mileage and specification. We first recorded this car for sale today. Its advertised mileage matches the government's MOT record. It is advertised by Victoria Park Mazda in Cardiff. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £35 (under 1%) under the AskCar estimate of £12,035.

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

AskCar first saw this 2020 Mazda Mazda3 advertised today. About 6 in 10 of 2020 Mazda Mazda3 cars are gone from sale within a month of being advertised: 76 of the 138 first advertised between 13 July 2026 and 4 October 2026.

Price history

AskCar first saw this advert on 7 November 2026 at £12,000. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 3 October 2027.

It has had 5 MOTs. The latest, on 30 September 2026, passed.

Advisories at the latest test: front brake pad(s) wearing thin n/s and o/s inner pads; front brake disc worn, but not excessively n/s and o/s.

Mileage at that test: 55,935 miles, which matches the advertised 56,809 miles.

Advertised mileage is about 6,900 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: 57,000 miles. Price: £12,499, £499 more than this car. Dealer: Trust Motor Company in Ferndown. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2020-fc219cb75d7d
• 2020 Mazda Mazda3 GT Sport, 2.0 petrol hatchback, grey. Mileage: 53,639 miles. Price: £12,498, £498 more than 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, £299 more than this car. Dealer: Hendy Ford Tunbridge Wells in Royal Tunbridge Wells. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2020-1d813b311273