2021 SEAT Leon 2.0 TDI

Price: £13,499. Above the going rate: £1,014 (8%) over the AskCar estimate of £12,485, our expected asking price for this car from its model, age, mileage and specification, drawing on 2,066 priced SEAT Leon adverts on AskCar as of 10 November 2026.

AskCar lists 2,134 used SEAT Leon from 1,285 UK dealerships, as of 10 November 2026.

Overview

  • Make: SEAT
  • Model: Leon
  • Version: 2.0 TDI Manual FWD Euro 6 5dr (113 bhp)
  • Year: 2021
  • Mileage: 52,511 miles
  • Fuel: Diesel
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 2.0 litres, 113 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Grey
  • CO2: 123 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 SEAT Leon has covered 52,511 miles, around 5,100 more miles than is typical for its age. Priced at £13,499, it is advertised £1,014 above the AskCar estimate of £12,485. The AskCar estimate uses 2,066 UK dealer adverts for the SEAT Leon, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale today. Its advertised mileage matches the government's MOT record. It is advertised by Lookers in Newtownabbey. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 10 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £1,014 (8%) over the AskCar estimate of £12,485.

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 2,066 priced SEAT Leon adverts across different ages and specifications, as of 10 November 2026.

Time on sale

AskCar first saw this 2021 SEAT Leon advertised today. About half of 2021 SEAT Leon cars are gone from sale within a month of being advertised: 198 of the 419 first advertised between 11 July 2026 and 7 October 2026.

Price history

AskCar first saw this advert on 10 November 2026 at £13,499. 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 10 November 2026: valid until 27 August 2027.

It has had one MOT, on 28 August 2025, and passed.

There were no advisories at the latest test.

Mileage at that test: 37,833 miles, which matches the advertised 52,511 miles.

Advertised mileage is about 5,100 miles higher than the median mileage of a 2021 SEAT Leon on AskCar.

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

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Photos

6 photos of this car are on its AskCar page.

As of 10 November 2026, AskCar lists 591,054 cars and vans from 12,888 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.