2020 Mazda Mazda3 2.0 SKYACTIV-X MHEV Sport LUX

Overview

• Make: Mazda
• Model: Mazda3
• Trim: Sport LUX
• Version: 2.0 Skyactiv-x Mhev Sport LUX Manual FWD Euro 6 (s/s) 5dr (178 bhp)
• Year: 2020
• Mileage: 46,919 miles
• Fuel: Petrol, mild hybrid
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 178 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 131 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2020 Mazda Mazda3 Sport Lux is 46,919 miles. Its asking price of £12,490 is £344 below the AskCar estimate of £12,834. The AskCar estimate uses 1,226 UK dealer adverts for the Mazda Mazda3, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 27 days ago. We checked its advertised mileage against the government's MOT record, and they match. The seller is The Donalds Group Donalds Mazda Peterborough, based in Peterborough. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £344 (2%) under the AskCar estimate of £12,834.

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 1,226 priced Mazda Mazda3 adverts across different ages and specifications, as of 2 November 2026.

A 2020 Mazda Mazda3 with the 2.0 petrol engine is typically advertised at £13,000: the median of the 68 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2020 Mazda Mazda3 has been on sale for at least 27 days.

Price history

AskCar first saw this advert on 6 October 2026 at £12,484. Its asking price is now £12,490, £6 more.

Price changes recorded:

• 6 October 2026: £12,484
• 14 October 2026: £12,390
• 23 October 2026: £12,490

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 19 March 2027.

It has had 4 MOTs. The latest, on 12 March 2026, passed.

Advisories at the latest test: front brake pad(s) wearing thin; rear brake pad(s) wearing thin; front brake disc worn, pitted or scored, but not seriously weakened; and 1 more.

Mileage at that test: 40,196 miles, which matches the advertised 46,919 miles.

Advertised mileage is about 900 miles higher than the median mileage of a 2020 Mazda Mazda3 on AskCar.

Similar cars

11 other 2020 Mazda Mazda3 Sport LUX 2.0 petrol manual hatchbacks are for sale at UK dealers, from £7,283 to £14,799, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2020 Mazda Mazda3 Sport LUX, 2.0 petrol hatchback, red. Mileage: 46,000 miles. Price: £12,995, £505 more than this car. Dealer: Forest Gate Market Harborough in Market Harborough. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2020-0456ddb5d2f0
• 2020 Mazda Mazda3 Sport LUX, 2.0 petrol hatchback, red. Mileage: 48,068 miles. Price: £12,599, £109 more than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2020-3b2a1158e390
• 2020 Mazda Mazda3 Sport LUX, 2.0 petrol hatchback, black. Mileage: 48,512 miles. Price: £12,490, the same price as this car. Dealer: SDM Mazda in Falkirk. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2020-a32c655746d0