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: 45,057 miles
• Fuel: Petrol, mild hybrid
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 120 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: White
• CO2: 119 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Mazda Mazda3 GT Sport is advertised with 45,057 miles, approximately 2,900 below the typical mileage for its age. The AskCar estimate for this car is £13,001. It is priced at £12,999, which is £2 below that estimate. The AskCar estimate draws on 1,241 Mazda Mazda3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 25 days ago, and its asking price has since fallen by £100. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by cinch Corby in North Northamptonshire. 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: £2 (under 1%) under the AskCar estimate of £13,001.

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 £13,099. Its asking price is now £12,999, £100 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 10 October 2026: £13,099
• 31 October 2026: £12,999

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 22 July 2027.

It has had 4 MOTs. The latest, on 22 July 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 44,262 miles, which matches the advertised 45,057 miles.

Advertised mileage is about 2,900 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, white. Mileage: 44,632 miles. Price: £13,980, £981 more than this car. Dealer: Green 4 Motor Company Leamington Mazda in Warwick. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2020-1b45aa9178a7
• 2020 Mazda Mazda3 GT Sport, 2.0 petrol hatchback, grey. Mileage: 48,000 miles. Price: £12,995, the same price as this car. Dealer: BM Vehicles in Ware. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2020-39a2764fe11d
• 2020 Mazda Mazda3 GT Sport, 2.0 petrol hatchback, silver. Mileage: 49,487 miles. Price: £12,890, £109 less than this car. Dealer: Town Autos in Bedford. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2020-72486c5fd9f3