2021 Mazda Mazda3 2.0 e-SKYACTIV-X MHEV Sport LUX

Overview

• Make: Mazda
• Model: Mazda3
• Trim: Sport LUX
• Version: 2.0 e-SKYACTIV-X Mhev Sport LUX Manual FWD Euro 6 (s/s) 5dr (183 bhp)
• Year: 2021
• Mileage: 54,971 miles
• Fuel: Petrol, mild hybrid
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 183 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: White
• CO2: 120 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Mazda Mazda3 Sport Lux has covered 54,971 miles, around 25,400 more miles than is typical for its age. The AskCar estimate for this car is £12,823. It is priced at £12,700, which is £123 below that estimate. The AskCar estimate draws on 1,226 Mazda Mazda3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records 41 days ago. Our latest MOT record expired on 30 September 2026. Check the current position with the dealer. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Carworld Car Supermarket 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: £123 (under 1%) under the AskCar estimate of £12,823.

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 2021 Mazda Mazda3 with the 2.0 petrol engine is typically advertised at £14,700: the median of the 50 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2021 Mazda Mazda3 has been on sale for at least 41 days.

Price history

AskCar first saw this advert on 22 September 2026 at £12,400. Its asking price is now £12,700, £300 more.

Price changes recorded:

• 22 September 2026: £12,400
• 14 October 2026: £12,700

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: the latest record we hold ran out on 30 September 2026; ask the dealer for the current MOT.

It has had 2 MOTs. The latest, on 4 September 2025, passed.

Advisories at the latest test: rear wiper blade defective.

Mileage at that test: 48,062 miles, which matches the advertised 54,971 miles.

Advertised mileage is about 25,400 miles higher than the median mileage of a 2021 Mazda Mazda3 on AskCar.

Similar cars

15 other 2021 Mazda Mazda3 Sport LUX 2.0 petrol manual hatchbacks are for sale at UK dealers, from £9,699 to £16,000, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2021 Mazda Mazda3 Sport LUX, 2.0 petrol hatchback, blue. Mileage: 53,901 miles. Price: £13,498, £798 more than this car. Dealer: Arnold Clark Mazda Kirkcaldy in Kirkcaldy. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2021-b79b7a16a453
• 2021 Mazda Mazda3 Sport LUX, 2.0 petrol hatchback, black. Mileage: 56,362 miles. Price: £11,699, £1,001 less than this car. Dealer: HPL Preston in Preston. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2021-3a1af9cfd06e
• 2021 Mazda Mazda3 Sport LUX, 2.0 petrol hatchback, grey. Mileage: 40,525 miles. Price: £14,000, £1,300 more than this car. Dealer: Chris W Roads in Ripley. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2021-dfa293fa8501

• The nearest: 2021 Mazda Mazda3 Sport LUX, 2.0 petrol hatchback, blue, 44 miles from this car. Mileage: 24,142 miles. Price: £15,226, £2,526 more than this car. Dealer: Vindis Group Auto Now Bury St Edmunds in Bury St Edmunds. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2021-056c8565ec1a