2021 SEAT Leon 1.5 eTSI MHEV Xcellence LUX

Price: £16,999. Fair price: £557 (3%) under the AskCar estimate of £17,556, our expected asking price for this car from its model, age, mileage and specification, drawing on 2,054 priced SEAT Leon adverts on AskCar as of 2 November 2026.

AskCar lists 2,123 used SEAT Leon from 1,289 UK dealerships, as of 2 November 2026.

Overview

  • Make: SEAT
  • Model: Leon
  • Trim: Xcellence LUX
  • Version: 1.5 eTSI Mhev Xcellence LUX DSG FWD Euro 6 (s/s) 5dr (148 bhp)
  • Year: 2021
  • Mileage: 21,912 miles
  • Fuel: Petrol, mild hybrid
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 1.5 litres, 148 bhp
  • Gearbox: Automatic (DSG)
  • Drive: Front-wheel drive
  • Colour: Red
  • CO2: 132 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 21,912 miles on the clock, this 2021 SEAT Leon Xcellence Lux has done roughly 24,100 fewer miles than a typical 2021 SEAT Leon. Its asking price of £16,999 is £557 below the AskCar estimate of £17,556. The AskCar estimate draws on 2,054 SEAT Leon adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 27 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at cinch Corby in North Northamptonshire. 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: £557 (3%) under the AskCar estimate of £17,556.

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 2,054 priced SEAT Leon adverts across different ages and specifications, as of 2 November 2026.

A 2021 SEAT Leon with the 1.5 petrol engine is typically advertised at £13,800: the median of the 102 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2021 SEAT Leon has been on sale for at least 27 days.

Price history

AskCar first saw this advert on 6 October 2026 at £16,999. Its asking price has not changed.

Price changes recorded:

  • 6 October 2026: £16,999
  • 8 October 2026: £17,199
  • 9 October 2026: £16,999

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 26 April 2027.

It has had 3 MOTs. The latest, on 27 April 2026, passed.

Advisories at the latest test: offside front inner tyre worn close to legal limit/worn on edge; nearside rear tyre has a cut but not deep enough to reach the ply or cords; offside rear shock absorbers has light misting of oil.

Mileage at that test: 18,488 miles, which matches the advertised 21,912 miles.

Advertised mileage is about 24,100 miles lower than the median mileage of a 2021 SEAT Leon on AskCar.

Similar cars

4 other 2021 SEAT Leon Xcellence LUX 1.5 petrol automatic hatchbacks are for sale at UK dealers, from £14,943 to £16,998, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2021 SEAT Leon Xcellence LUX, 1.5 petrol hatchback, red. Mileage: 20,072 miles. Price: £16,998, the same price as this car. Dealer: Arnold Clark Mercedes-Benz Of Perth in Perth. AskCar page: https://askcar.co.uk/car/seat-leon-2021-2505117140e1
  • 2021 SEAT Leon Xcellence LUX, 1.5 petrol hatchback, red. Mileage: 37,805 miles. Price: £14,943, £2,056 less than this car. Dealer: Carsa Cannock in Cannock. AskCar page: https://askcar.co.uk/car/seat-leon-2021-c14d40b0fb22
  • 2021 SEAT Leon Xcellence LUX, 1.5 petrol hatchback, black. Mileage: 40,800 miles. Price: £15,949, £1,050 less than this car. Dealer: Motorpoint Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/seat-leon-2021-bdc755975774

Browse all SEAT Leon cars for sale · 2021 SEAT Leon price guide

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Photos

28 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.