2020 Mazda Mazda3 2.0 SKYACTIV-X MHEV GT Sport

Overview

• Make: Mazda
• Model: Mazda3
• Trim: GT Sport
• Version: 2.0 Skyactiv-x Mhev GT Sport Manual FWD Euro 6 (s/s) 5dr (178 bhp)
• Year: 2020
• Mileage: 29,228 miles
• Fuel: Petrol, mild hybrid
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 178 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Red
• CO2: 131 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 29,228 miles, this 2020 Mazda Mazda3 GT Sport has covered about 18,800 fewer miles than other 2020 Mazda Mazda3 cars. The dealer is asking £13,690, which is £989 below the AskCar estimate of £14,679. To work out the AskCar estimate, we analyse UK dealer adverts for 1,241 Mazda Mazda3 cars across different ages and specifications. The asking price is now £300 lower than when we first recorded the advert 25 days ago. Its advertised mileage matches the government's MOT record. It is advertised by Paul Rigby Hyundai Stratford Upon Avon in Stratford-Upon-Avon. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £989 (6%) under the AskCar estimate of £14,679.

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 1,241 priced Mazda Mazda3 adverts across different ages and specifications, as of 4 November 2026.

A 2020 Mazda Mazda3 with the 2.0 petrol engine is typically advertised at £13,000: the median of the 72 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2020 Mazda Mazda3 has been on sale for at least 25 days.

Price history

AskCar first saw this advert on 10 October 2026 at £13,990. Its asking price is now £13,690, £300 less. The latest price cut was seen on 21 October 2026.

Price changes recorded:

• 10 October 2026: £13,990
• 21 October 2026: £13,690

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 2 September 2027.

It failed its MOT on 25 August 2026 (offside front road wheel fixing missing; nearside front tyre has ply or cords exposed; offside windscreen wiper blade defective) and passed 9 days later, on 3 September 2026.

Advisories at the latest test: offside windscreen wiper blade defective.

Mileage at that test: 27,265 miles, which matches the advertised 29,228 miles.

Advertised mileage is about 18,800 miles lower than the median mileage of a 2020 Mazda Mazda3 on AskCar.

Similar cars

12 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 4 November 2026.

The 3 closest to this car in mileage:

• 2020 Mazda Mazda3 GT Sport, 2.0 petrol hatchback, red. Mileage: 23,612 miles. Price: £14,450, £760 more than this car. Dealer: Evans Halshaw Ford Milton Keynes in Milton Keynes. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2020-907658328b75
• 2020 Mazda Mazda3 GT Sport, 2.0 petrol hatchback, grey. Mileage: 35,116 miles. Price: £12,800, £890 less than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2020-2dff2f11dfdc
• 2020 Mazda Mazda3 GT Sport, 2.0 petrol hatchback, white. Mileage: 44,632 miles. Price: £13,980, £290 more than this car. Dealer: Green 4 Motor Company Leamington Mazda in Warwick. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2020-1b45aa9178a7