2020 Tesla Model 3 Long Range

Price: £18,990. Fair price: £1,330 (6%) under the AskCar estimate of £20,320, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,266 priced Tesla Model 3 adverts on AskCar as of 2 November 2026.

AskCar lists 1,294 used Tesla Model 3 from 544 UK dealerships, as of 2 November 2026.

Overview

  • Make: Tesla
  • Model: Model 3
  • Trim: Long Range
  • Version: Long Range Auto 4WD 4dr (346 bhp)
  • Year: 2020
  • Mileage: 21,000 miles
  • Fuel: Electric
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 346 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Grey
  • CO2: 0 g/km

About this car

At 21,000 miles, this 2020 Tesla Model 3 Long Range has covered about 38,900 fewer miles than other 2020 Tesla Model 3 cars. Priced at £18,990, it is advertised £1,330 below the AskCar estimate of £20,320. The AskCar estimate uses UK dealer asking prices, including 1,266 Tesla Model 3 adverts, and accounts for the car’s age, mileage and specification. We first recorded this car for sale 55 days ago. Its advertised mileage matches the government's MOT record. It is for sale at Select Cars in Luton. 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: £1,330 (6%) under the AskCar estimate of £20,320.

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 1,266 priced Tesla Model 3 adverts across different ages and specifications, as of 2 November 2026.

Time on sale

This 2020 Tesla Model 3 has been on sale for at least 55 days.

Price history

AskCar first saw this advert on 8 September 2026 at £18,990. 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 2 November 2026: valid until 6 September 2027.

It has had 6 MOTs. The latest, on 7 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 20,617 miles, which matches the advertised 21,000 miles.

Advertised mileage is about 38,900 miles lower than the median mileage of a 2020 Tesla Model 3 on AskCar.

Browse all Tesla Model 3 cars for sale · 2020 Tesla Model 3 price guide

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Photos

70 photos of this car are on its AskCar page.

As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.