2021 SEAT Leon 1.5 eTSI MHEV Xcellence LUX

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: 20,072 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 20,072 miles on the clock, this 2021 SEAT Leon Xcellence Lux has done roughly 26,900 fewer miles than a typical 2021 SEAT Leon. Its asking price of £16,998 is £676 below the AskCar estimate of £17,674. To work out the AskCar estimate, we analyse UK dealer adverts for 2,099 SEAT Leon cars across different ages and specifications. We first saw this car advertised 148 days ago. Its asking price has since fallen by £2,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Arnold Clark Mercedes-Benz Of Perth, based in Perth. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £676 (3%) under the AskCar estimate of £17,674.

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 2,099 priced SEAT Leon adverts across different ages and specifications, as of 6 November 2026.

A 2021 SEAT Leon with the 1.5 petrol engine is typically advertised at £13,800: the median of the 106 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2021 SEAT Leon has been on sale for at least 148 days.

Price history

AskCar first saw this advert on 11 June 2026 at £18,998. Its asking price is now £16,998, £2,000 less. The latest price cut was seen on 21 October 2026.

Price changes recorded:

• 6 July 2026: £18,998
• 15 September 2026: £17,998
• 16 September 2026: £17,498
• 21 October 2026: £16,998

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 10 March 2027.

It has had 3 MOTs. The latest, on 9 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 20,027 miles, which matches the advertised 20,072 miles.

Advertised mileage is about 26,900 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 £13,698 to £16,999, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2021 SEAT Leon Xcellence LUX, 1.5 petrol hatchback, red. Mileage: 21,912 miles. Price: £16,999, the same price as this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/seat-leon-2021-5bdf0d218d8d
• 2021 SEAT Leon Xcellence LUX, 1.5 petrol hatchback, red. Mileage: 37,805 miles. Price: £14,943, £2,055 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, grey. Mileage: 45,779 miles. Price: £15,998, £1,000 less than this car. Dealer: Arnold Clark Kirkcaldy Omoda Jaecoo in Kirkcaldy. AskCar page: https://askcar.co.uk/car/seat-leon-2021-d5216f7c259d