2020 Mazda Mazda3 2.0 SKYACTIV-X MHEV GT Sport Tech

Overview

• Make: Mazda
• Model: Mazda3
• Trim: GT Sport Tech
• Version: 2.0 Skyactiv-x Mhev GT Sport Tech Auto Euro 6 (s/s) 5dr (178 bhp)
• Year: 2020
• Mileage: 53,736 miles
• Fuel: Petrol, mild hybrid
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 178 bhp
• Gearbox: Automatic
• Colour: Silver
• CO2: 142 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Mazda Mazda3 GT Sport Tech is advertised with 53,736 miles, approximately 5,700 above the typical mileage for its age. The dealer is asking £14,299, which is £112 below the AskCar estimate of £14,411. 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 14 days ago, the asking price has dropped by £400. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by cinch Bellevue in Hart. 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: £112 (under 1%) under the AskCar estimate of £14,411.

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 14 days.

Price history

AskCar first saw this advert on 21 October 2026 at £14,699. Its asking price is now £14,299, £400 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 21 October 2026: £14,699
• 30 October 2026: £14,299

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 7 October 2027.

It has had 5 MOTs. The latest, on 8 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 53,732 miles, which matches the advertised 53,736 miles.

Advertised mileage is about 5,700 miles higher than the median mileage of a 2020 Mazda Mazda3 on AskCar.

Similar cars

3 other 2020 Mazda Mazda3 GT Sport Tech 2.0 petrol automatic hatchbacks are for sale at UK dealers, from £13,475 to £17,822, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2020 Mazda Mazda3 GT Sport Tech, 2.0 petrol hatchback, red. Mileage: 52,736 miles. Price: £13,699, £600 less than this car. Dealer: cinch Bellevue in Hook. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2020-cf449a8ec6e9
• 2020 Mazda Mazda3 GT Sport Tech, 2.0 petrol hatchback, grey. Mileage: 59,377 miles. Price: £13,475, £824 less than this car. Dealer: JMV Cars Ltd of Shorne in Gravesend. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2020-82f1f1071c78
• 2020 Mazda Mazda3 GT Sport Tech, 2.0 petrol hatchback, black. Mileage: 17,975 miles. Price: £17,822, £3,523 more than this car. Dealer: Stellantis &You Stockport in Stockport. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2020-97cb327765b9