2018 SEAT Leon Xcellence Technology prices
There are 25 used 2018 SEAT Leon Xcellence Technology cars for sale from UK dealers on AskCar, as of 8 November 2026. Typical asking price £9,900 (the median: half cost less, half cost more). The cheapest is £4,000. The middle half are priced between £8,300 and £11,700. Median mileage: about 72,000 miles.
Dealers lowered the asking price on more than a quarter of 2018 SEAT Leon Xcellence Technology cars: 7 of the 25 in the 14 days to 8 November 2026.
AskCar lists 2,155 used SEAT Leon across the UK, from 1,299 dealerships.
As of 8 November 2026, AskCar lists 595,762 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.
2018 SEAT Leon Xcellence Technology cars for sale now, page 1 of 2
This page picks out up to 10 cars in each of these groups: best value, cheapest, lowest mileage, recently reduced and newly advertised. A car in more than one group is listed in full once. The groups pick only from cars with photos and an AskCar estimate, priced at £500 or more and no more than 25% under that estimate. 24 of the 25 cars listed here meet these rules. Page 2 lists every other 2018 SEAT Leon Xcellence Technology car, cheapest first, including the one the groups do not pick from.
The AskCar estimate is our expected asking price for that one car, from its model, age, mileage and specification, using the 2,078 priced SEAT Leon adverts on AskCar as of 8 November 2026. The figures on this page describe the cars advertised, not a valuation of every 2018 SEAT Leon Xcellence Technology.
Each car: year, make, model, engine and trim, power, gearbox, fuel, body, doors, colour; mileage; price and its changes; how the price compares with the AskCar estimate; emissions standard and ULEZ compliance where it holds; MOT; dealer and town; AskCar page. Each car's AskCar page has its full price history and cheaper cars like it.
Best value 2018 SEAT Leon Xcellence Technology: priced furthest below the AskCar estimate
These 10 are priced 1% to 12% under their AskCar estimate. Their asking prices run from £5,490 to £12,490.
- 2018 SEAT Leon 2.0 TDI Xcellence Technology, 148 bhp, manual, diesel, estate, 5 doors, purple. Mileage: 121,000 miles. Price: £5,490, reduced by £300 from £5,790 since AskCar first saw it on 30 September 2026, 39 days ago. Good value: £762 (12%) under the AskCar estimate of £6,252. Euro 6 emissions standard. ULEZ compliant. Dealer: Planet Car Sales in Coventry. AskCar page: https://askcar.co.uk/car/seat-leon-2018-a2d0290ab811
- 2018 SEAT Leon 2.0 TDI Xcellence Technology, manual, diesel, hatchback, 5 doors, red. Mileage: 81,611 miles. Price: £7,500, reduced by £1,000 from £8,500 since AskCar first saw it on 15 August 2026, 85 days ago. Good value: £899 (10%) under the AskCar estimate of £8,399. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 30 May 2027. Dealer: Gp Car Sales in Cradley Heath. AskCar page: https://askcar.co.uk/car/seat-leon-2018-5306bd620da1
- 2018 SEAT Leon 2.0 TDI Xcellence Technology, 181 bhp, automatic, diesel, estate, 5 doors, blue. Mileage: 92,000 miles. Price: £8,550, reduced by £300 from £8,850 since AskCar first saw it on 19 July 2026, 112 days ago. Fair price: £633 (6%) under the AskCar estimate of £9,183. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 30 November 2026. Dealer: Uniche Motor Company in Detling. AskCar page: https://askcar.co.uk/car/seat-leon-2018-4db6ac8fbb4b
- 2018 SEAT Leon 1.4 TSI Xcellence Technology, 123 bhp, manual, petrol, estate, 5 doors, blue. Mileage: 76,000 miles. Price: £7,995, unchanged since AskCar first saw it on 7 November 2026, 1 day ago. Fair price: £522 (6%) under the AskCar estimate of £8,517. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 10 April 2027. Dealer: Benchmark Car Sales in Staplehurst. AskCar page: https://askcar.co.uk/car/seat-leon-2018-76ef42d0cad5
- 2018 SEAT Leon 1.4 EcoTSI Xcellence Technology, 148 bhp, automatic, petrol, hatchback, 5 doors, white. Mileage: 38,698 miles. Price: £12,490, unchanged since AskCar first saw it on 4 November 2026, 4 days ago. Fair price: £560 (4%) under the AskCar estimate of £13,050. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 15 February 2027. Dealer: N K Derby in Derby. AskCar page: https://askcar.co.uk/car/seat-leon-2018-bf178ab0819f
- 2018 SEAT Leon 2.0 TDI Xcellence Technology, 181 bhp, manual, diesel, hatchback, 5 doors, grey. Mileage: 58,000 miles. Price: £10,249, reduced by £100 from £10,349 since AskCar first saw it on 19 September 2026, 50 days ago. Fair price: £439 (4%) under the AskCar estimate of £10,688. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 20 April 2027. Dealer: Arrow Motor Company in Darlington. AskCar page: https://askcar.co.uk/car/seat-leon-2018-c561c25c4fa1
- 2018 SEAT Leon 1.4 TSI Xcellence Technology, 123 bhp, manual, petrol, hatchback, 5 doors, blue. Mileage: 67,900 miles. Price: £8,799, unchanged since AskCar first saw it on 12 September 2026, 57 days ago. Fair price: £312 (3%) under the AskCar estimate of £9,111. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 27 November 2026. Dealer: The Carzone Winsford in Winsford. AskCar page: https://askcar.co.uk/car/seat-leon-2018-36aa45c48a8f
- 2018 SEAT Leon 1.4 EcoTSI Xcellence Technology, 147 bhp, manual, petrol, estate, 5 doors, white. Mileage: 80,122 miles. Price: £8,295, reduced by £300 from £8,595 since AskCar first saw it on 9 September 2026, 60 days ago. Fair price: £275 (3%) under the AskCar estimate of £8,570. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 26 May 2027. Dealer: Derbyshire Elite Car Sales in Derby. AskCar page: https://askcar.co.uk/car/seat-leon-2018-b70968e4fe3e
- 2018 SEAT Leon 1.4 EcoTSI Xcellence Technology, 148 bhp, automatic, petrol, estate, 5 doors, purple. Mileage: 74,127 miles. Price: £9,750, raised by £100 from £9,650 since AskCar first saw it on 13 September 2026, 56 days ago. Fair price: £316 (3%) under the AskCar estimate of £10,066. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 3 September 2027. Dealer: Echo Motors in Horsham. AskCar page: https://askcar.co.uk/car/seat-leon-2018-5885cc6fede6
- 2018 SEAT Leon 1.4 EcoTSI Xcellence Technology, 147 bhp, manual, petrol, estate, 5 doors, purple. Mileage: 32,363 miles. Price: £11,900, reduced by £450 from £12,350 since AskCar first saw it on 12 August 2026, 88 days ago. Fair price: £136 (1%) under the AskCar estimate of £12,036. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 3 January 2027. Dealer: Bridgend Ford in Bridgend. AskCar page: https://askcar.co.uk/car/seat-leon-2018-600425ff4e36
Cheapest 2018 SEAT Leon Xcellence Technology: the lowest asking prices
These 10 are priced £5,490 to £9,498. They have covered 67,900 to 124,028 miles.
- 2018 SEAT Leon 2.0 TDI Xcellence Technology: £5,490, 121,000 miles. Listed in full under best value.
- 2018 SEAT Leon 1.4 TSI Xcellence Technology, 123 bhp, manual, petrol, hatchback, 5 doors, grey. Mileage: 124,028 miles. Price: £5,841, reduced by £502 from £6,343 since AskCar first saw it on 28 May 2026, 164 days ago. Fair price: £11 (under 1%) under the AskCar estimate of £5,852. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 17 August 2026; ask the dealer for the current MOT. Dealer: Station Specialist Cars in Market Weighton. AskCar page: https://askcar.co.uk/car/seat-leon-2018-69ce024499f5
- 2018 SEAT Leon 2.0 TDI Xcellence Technology: £7,500, 81,611 miles. Listed in full under best value.
- 2018 SEAT Leon 1.4 TSI Xcellence Technology: £7,995, 76,000 miles. Listed in full under best value.
- 2018 SEAT Leon 1.4 EcoTSI Xcellence Technology: £8,295, 80,122 miles. Listed in full under best value.
- 2018 SEAT Leon 1.4 EcoTSI Xcellence Technology, 148 bhp, manual, petrol, hatchback, 5 doors, red. Mileage: 82,880 miles. Price: £8,345, reduced by £650 from £8,995 since AskCar first saw it on 10 June 2026, 151 days ago. Fair price: £121 (1%) over the AskCar estimate of £8,224. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 26 July 2026; ask the dealer for the current MOT. Dealer: Kirby Vehicle Sales in Barnsley. AskCar page: https://askcar.co.uk/car/seat-leon-2018-2501a9257a29
- 2018 SEAT Leon 1.4 TSI Xcellence Technology, 123 bhp, manual, petrol, hatchback, 5 doors, white. Mileage: 76,569 miles. Price: £8,450, unchanged since AskCar first saw it on 19 October 2026, 20 days ago. Fair price: £42 (under 1%) under the AskCar estimate of £8,492. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 13 November 2026. Dealer: Whitefield Motors in Manchester. AskCar page: https://askcar.co.uk/car/seat-leon-2018-f25d6e9905f0
- 2018 SEAT Leon 2.0 TDI Xcellence Technology: £8,550, 92,000 miles. Listed in full under best value.
- 2018 SEAT Leon 1.4 TSI Xcellence Technology: £8,799, 67,900 miles. Listed in full under best value.
- 2018 SEAT Leon 1.4 EcoTSI Xcellence Technology, 147 bhp, manual, petrol, estate, 5 doors, red. Mileage: 71,505 miles. Price: £9,498, unchanged since AskCar first saw it on 3 November 2026, 5 days ago. Fair price: £307 (3%) over the AskCar estimate of £9,191. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 15 July 2027. Dealer: CarSupermarket.com Sheffield in Sheffield. AskCar page: https://askcar.co.uk/car/seat-leon-2018-295d6d9b9bec
Lowest-mileage 2018 SEAT Leon Xcellence Technology
These 10 have covered 16,516 to 62,891 miles. Their asking prices run from £9,995 to £12,998.
- 2018 SEAT Leon 1.4 TSI Xcellence Technology, 123 bhp, manual, petrol, hatchback, 5 doors, red. Mileage: 16,516 miles. Price: £12,498, reduced by £101 from £12,599 since AskCar first saw it on 23 September 2026, 46 days ago. Fair price: £134 (1%) under the AskCar estimate of £12,632. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 25 August 2027. Dealer: Eastern Western Motor Group Car Deal Warehouse Superstore Newbridge in Edinburgh. AskCar page: https://askcar.co.uk/car/seat-leon-2018-2e7f1651c59e
- 2018 SEAT Leon 1.4 TSI Xcellence Technology, 123 bhp, manual, petrol, hatchback, 5 doors, blue. Mileage: 26,029 miles. Price: £12,950, reduced by £1,430 from £14,380 since AskCar first saw it on 1 July 2026, 130 days ago. Fair price: £937 (7%) over the AskCar estimate of £12,013. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 14 April 2027. Dealer: The Car Source in Glasgow. AskCar page: https://askcar.co.uk/car/seat-leon-2018-24a5ca8ad356
- 2018 SEAT Leon 1.4 EcoTSI Xcellence Technology: £11,900, 32,363 miles. Listed in full under best value.
- 2018 SEAT Leon 1.4 EcoTSI Xcellence Technology: £12,490, 38,698 miles. Listed in full under best value.
- 2018 SEAT Leon 2.0 TDI Xcellence Technology, 148 bhp, manual, diesel, estate, 5 doors, purple. Mileage: 45,000 miles. Price: £11,699, unchanged since AskCar first saw it on 28 May 2026, 164 days ago. Fair price: £538 (4%) over the AskCar estimate of £11,161. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 25 August 2026; ask the dealer for the current MOT. Dealer: Fabian Motor Company in Swansea. AskCar page: https://askcar.co.uk/car/seat-leon-2018-3aa1840bccbb
- 2018 SEAT Leon 1.4 EcoTSI Xcellence Technology, 148 bhp, automatic, petrol, hatchback, 5 doors, purple. Mileage: 48,228 miles. Price: £12,998, unchanged since AskCar first saw it on 31 October 2026, 8 days ago. Fair price: £718 (5%) over the AskCar estimate of £12,280. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 3 June 2027. Dealer: Arnold Clark Elgin Renault / Dacia / Fiat / Abarth in Elgin. AskCar page: https://askcar.co.uk/car/seat-leon-2018-1c1593d5a543
- 2018 SEAT Leon 1.4 EcoTSI Xcellence Technology, 148 bhp, manual, petrol, hatchback, 5 doors, blue. Mileage: 51,578 miles. Price: £10,499, reduced by £270 from £10,769 since AskCar first saw it on 8 August 2026, 92 days ago. Fair price: £51 (under 1%) over the AskCar estimate of £10,448. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 14 January 2027. Dealer: Luxo Motors in Epping. AskCar page: https://askcar.co.uk/car/seat-leon-2018-5ee316e382ac
- 2018 SEAT Leon 1.4 EcoTSI Xcellence Technology, 148 bhp, automatic, petrol, hatchback, 5 doors, white. Mileage: 52,614 miles. Price: £12,498, unchanged since AskCar first saw it on 31 August 2026, 69 days ago. Fair price: £557 (4%) over the AskCar estimate of £11,941. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 30 August 2027. Dealer: Arnold Clark Armadale Citroen Leapmotor Vanstore in Armadale. AskCar page: https://askcar.co.uk/car/seat-leon-2018-b65bc667b32c
- 2018 SEAT Leon 2.0 TDI Xcellence Technology: £10,249, 58,000 miles. Listed in full under best value.
- 2018 SEAT Leon 2.0 TDI Xcellence Technology, 148 bhp, manual, diesel, estate, 5 doors, purple. Mileage: 62,891 miles. Price: £9,995, unchanged since AskCar first saw it on 2 October 2026, 37 days ago. Fair price: £88 (under 1%) over the AskCar estimate of £9,907. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 30 November 2026. Dealer: Ullswater Road Garage (Penrith) in Penrith. AskCar page: https://askcar.co.uk/car/seat-leon-2018-d13c454b582e
Recently reduced 2018 SEAT Leon Xcellence Technology: the biggest price reductions in the 14 days to 8 November 2026
The dealer lowered the asking price on each of these 6 in the 14 days to 8 November 2026. Their reductions since AskCar first saw them run from £101 to £1,000.
- 2018 SEAT Leon 2.0 TDI Xcellence Technology: £7,500, 81,611 miles. Listed in full under best value.
- 2018 SEAT Leon 1.4 EcoTSI Xcellence Technology: £8,345, 82,880 miles. Listed in full under cheapest.
- 2018 SEAT Leon 2.0 TDI Xcellence Technology: £5,490, 121,000 miles. Listed in full under best value.
- 2018 SEAT Leon 1.4 EcoTSI Xcellence Technology: £10,499, 51,578 miles. Listed in full under lowest mileage.
- 2018 SEAT Leon 1.4 EcoTSI Xcellence Technology, 148 bhp, automatic, petrol, hatchback, 5 doors, grey. Mileage: 77,158 miles. Price: £9,875, reduced by £120 from £9,995 since AskCar first saw it on 20 October 2026, 19 days ago. Fair price: £36 (under 1%) under the AskCar estimate of £9,911. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 6 January 2027. Dealer: East Side Motors in Birmingham. AskCar page: https://askcar.co.uk/car/seat-leon-2018-95b5d5a36ac4
- 2018 SEAT Leon 1.4 TSI Xcellence Technology: £12,498, 16,516 miles. Listed in full under lowest mileage.
Newly advertised 2018 SEAT Leon Xcellence Technology: first seen by AskCar in the 7 days to 8 November 2026
These 4 are the most recently advertised. Cars first seen on the same day are listed cheapest first.
- 2018 SEAT Leon 2.0 TDI Xcellence Technology, manual, diesel, estate, 5 doors, red. Mileage: 67,432 miles. Price: £10,498, unchanged since AskCar first saw it on 8 November 2026. Fair price: £340 (3%) over the AskCar estimate of £10,158. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 12 July 2027. Dealer: Arnold Clark Cumbernauld Kia in Cumbernauld. AskCar page: https://askcar.co.uk/car/seat-leon-2018-d23f0bad3265
- 2018 SEAT Leon 1.4 TSI Xcellence Technology: £7,995, 76,000 miles. Listed in full under best value.
- 2018 SEAT Leon 1.4 EcoTSI Xcellence Technology: £12,490, 38,698 miles. Listed in full under best value.
- 2018 SEAT Leon 1.4 EcoTSI Xcellence Technology: £9,498, 71,505 miles. Listed in full under cheapest.
Page 2: every other 2018 SEAT Leon Xcellence Technology car, cheapest first
SEAT Leon by gearbox, fuel and body
- Automatic SEAT Leon (696 cars)
- Manual SEAT Leon (1,437 cars)
- Petrol SEAT Leon (1,549 cars)
- Diesel SEAT Leon (513 cars)
- Plug-in hybrid SEAT Leon (79 cars)
- SEAT Leon hatchback (1,540 cars)
- SEAT Leon estate (462 cars)
SEAT Leon prices by year
- 2026 (80 cars)
- 2025 (35 cars)
- 2024 (75 cars)
- 2023 (58 cars)
- 2022 (116 cars)
- 2021 (224 cars)
- 2020 (296 cars)
- 2019 (332 cars)
- 2018 (284 cars)
- 2017 (189 cars)
- 2016 (124 cars)
- 2015 (107 cars)
- 2014 (110 cars)
- 2013 (54 cars)
- 2012 (20 cars)
SEAT Leon by trim
- SEAT Leon FR (537 cars)
- SEAT Leon SE Dynamic (240 cars)
- SEAT Leon FR Technology (235 cars)
- SEAT Leon SE (234 cars)
- SEAT Leon FR Sport (212 cars)
- SEAT Leon FR Black Edition (96 cars)
- SEAT Leon SE Dynamic Technology (93 cars)
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- SEAT Leon Xcellence LUX (59 cars)
- SEAT Leon Cupra 300 (49 cars)
- SEAT Leon Xcellence Technology (36 cars)
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- SEAT Leon SE Technology (25 cars)
- SEAT Leon Cupra (24 cars)
- SEAT Leon Cupra 290 LUX (20 cars)
2018 SEAT Leon by price
2018 SEAT Leon by trim
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- 2018 SEAT Leon SE Dynamic Technology (38 cars)
- 2018 SEAT Leon FR (31 cars)
- 2018 SEAT Leon Cupra 300 (22 cars)
SEAT Leon by price
- Under £3,000 (41 cars)
- Under £5,000 (185 cars)
- Under £8,000 (623 cars)
- Under £10,000 (1,007 cars)
- Under £15,000 (1,738 cars)
SEAT Leon near you
- In England (1,779 cars)
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