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: 23,612 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

This 2020 Mazda Mazda3 GT Sport is advertised with 23,612 miles, approximately 24,400 below the typical mileage for its age. The dealer is asking £14,450, which is £691 below the AskCar estimate of £15,141. To work out the AskCar estimate, we analyse UK dealer adverts for 1,241 Mazda Mazda3 cars across different ages and specifications. Since we first spotted the advert 105 days ago, the asking price has dropped by £1,260. Our records show an MOT expiry date of 17 September 2026, which has passed. Ask the dealer for an update. We checked its advertised mileage against the government's MOT record, and they match. The seller is Evans Halshaw Ford Milton Keynes, based in Milton Keynes. 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: £691 (4%) under the AskCar estimate of £15,141.

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 105 days.

Price history

AskCar first saw this advert on 22 July 2026 at £15,710. Its asking price is now £14,450, £1,260 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

• 22 July 2026: £15,710
• 27 July 2026: £15,650
• 10 August 2026: £15,600
• 5 September 2026: £15,450
• 9 September 2026: £14,880
• 29 September 2026: £14,830
• 20 October 2026: £14,760
• 27 October 2026: £14,450

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: the latest record we hold ran out on 17 September 2026; ask the dealer for the current MOT.

It has had 3 MOTs. The latest, on 27 August 2025, passed.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge.

Mileage at that test: 21,816 miles, which matches the advertised 23,612 miles.

Advertised mileage is about 24,400 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 £13,980, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2020 Mazda Mazda3 GT Sport, 2.0 petrol hatchback, red. Mileage: 29,228 miles. Price: £13,690, £760 less than this car. Dealer: Paul Rigby Hyundai Stratford Upon Avon in Stratford-upon-Avon. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2020-bcc95a699f08
• 2020 Mazda Mazda3 GT Sport, 2.0 petrol hatchback, grey. Mileage: 35,116 miles. Price: £12,800, £1,650 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, £470 less than this car. Dealer: Green 4 Motor Company Leamington Mazda in Warwick. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2020-1b45aa9178a7

• The nearest: 2020 Mazda Mazda3 GT Sport, 2.0 petrol hatchback, silver, 19 miles from this car. Mileage: 49,487 miles. Price: £12,890, £1,560 less than this car. Dealer: Town Autos in Bedford. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2020-72486c5fd9f3