2020 Mazda Mazda3 2.0 SKYACTIV-X GT Sport

Overview

• Make: Mazda
• Model: Mazda3
• Trim: GT Sport
• Version: 2.0 Skyactiv-X GT Sport Manual FWD Euro 6 4dr (177 bhp)
• Year: 2020
• Mileage: 64,000 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 177 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Red
• CO2: 127 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 64,000 miles, this 2020 Mazda Mazda3 GT Sport has covered about 15,500 more miles than other 2020 Mazda Mazda3 cars. The dealer is asking £11,995, which is £528 above the AskCar estimate of £11,467. To work out the AskCar estimate, we analyse UK dealer adverts for 1,239 Mazda Mazda3 cars across different ages and specifications. We first recorded this car for sale 7 days ago. Its advertised mileage matches the government's MOT record. The seller is MB Motors Ballymena, based in Ballymena. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £528 (4%) over the AskCar estimate of £11,467.

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 1,239 priced Mazda Mazda3 adverts across different ages and specifications, as of 5 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 5 November 2026.

Time on sale

This 2020 Mazda Mazda3 has been on sale for at least 7 days.

Price history

AskCar first saw this advert on 29 October 2026 at £11,995. 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 5 November 2026: valid until 27 January 2027.

It has had one MOT, on 28 January 2025, and passed.

There were no advisories at the latest test.

Mileage at that test: 50,590 miles, which matches the advertised 64,000 miles.

Advertised mileage is about 15,500 miles higher than the median mileage of a 2020 Mazda Mazda3 on AskCar.

Similar cars

4 other 2020 Mazda Mazda3 GT Sport 2.0 petrol manual saloons are for sale at UK dealers, from £12,636 to £14,999, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2020 Mazda Mazda3 GT Sport, 2.0 petrol saloon, grey. Mileage: 43,486 miles. Price: £12,636, £641 more than this car. Dealer: Carbase Bristol in Bristol. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2020-06bd70fdf131
• 2020 Mazda Mazda3 GT Sport, 2.0 petrol saloon, black. Mileage: 32,300 miles. Price: £14,500, £2,505 more than this car. Dealer: Simon Shield Cars in Ipswich. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2020-2540555a74d7
• 2020 Mazda Mazda3 GT Sport, 2.0 petrol saloon, silver. Mileage: 31,924 miles. Price: £14,180, £2,185 more than this car. Dealer: Evans Halshaw Kia Stourbridge in Stourbridge. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2020-8e8e2eaf35f3

• The nearest: 2020 Mazda Mazda3 GT Sport, 2.0 petrol saloon, blue, 162 miles from this car. Mileage: 23,557 miles. Price: £14,999, £3,004 more than this car. Dealer: HPL Preston in Preston. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2020-b0d6f9e2fa6f