2018 Seat Leon — Full Specifications
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The 2018 Seat Leon belongs to the Mk3 generation, built 2012–2019. 2018 was year 7 of its run. The Mk4 replaced it from 2020. Model years from 2017 onward carry the mid-life facelift, so a 2018 car is a post-facelift example. New engines for 2018: 1.5 EcoTSI 150. 2018 was the last year for: 1.4 TSI 125-150, 2.0 TSI Cupra R 310. Body styles: 3-door hatchback (SC), 5-door hatchback, 5-door estate (ST). The engine range listed for this period includes 1.2 TSI 86-110, 1.4 TSI 125-150, 1.5 EcoTSI 150, 1.8 TSI 179 and more. Owners often keep a Seat Leon workshop manual to hand for servicing and repairs.
Mk3 Generation: Engines & Body Styles
Seat Leon model years from 2012 to 2019 belong to the same generation, with a mid-life facelift in 2017. The engines below are those listed for this generation in the 2018 period; availability varied by year, trim and market, so confirm the exact engine from the car's paperwork or the badge on the tailgate.
| Engine | Fuel | Displacement | Power |
|---|---|---|---|
| 1.2 TSI 86-110 | Petrol | 1.197 L | 86–110 PS |
| 1.4 TSI 125-150 | Petrol | 1.395 L | 125–150 PS |
| 1.5 EcoTSI 150 | Petrol | 1.498 L | 150 PS |
| 1.8 TSI 179 | Petrol | 1.798 L | 179 PS |
| 2.0 EcoTSI 190 | Petrol | 1.984 L | 190 PS |
| 2.0 TSI Cupra 265-300 | Petrol | 1.984 L | 265–300 PS |
| 2.0 TSI Cupra R 310 | Petrol | 1.984 L | 310 PS |
| 1.6 TDI 90-105 | Diesel | 1.598 L | 90–105 PS |
| 2.0 TDI 150 | Diesel | 1.968 L | 150 PS |
| 2.0 TDI FR 184 | Diesel | 1.968 L | 184 PS |
| Body styles | 3-door hatchback (SC) · 5-door hatchback · 5-door estate (ST) |
|---|---|
| Transmissions | 6-speed manual · 6-speed DSG · 7-speed DSG |
| Generation | Mk3 (2012-2020) |
| Facelift | 2017 (2018 car is post-facelift) |
Generation, production years, engines and body styles compiled from Wikipedia; production dates can differ by market. Official fuel economy and CO₂ figures for UK cars are published by the Vehicle Certification Agency and vary by engine and test cycle (NEDC or WLTP), so we do not quote a single figure here.
Owner Essentials for the 2018 Seat Leon
Running Costs: 2018 Seat Leon
Running costs for a 2018 Seat Leon depend mostly on which engine it has, how it is driven and the insurance group of that trim. Look up the exact car's tax band and fuel figures from its registration on GOV.UK, and work out fuel spend with the fuel cost calculator on 247Calculators.
Convert between MPG and L/100km with the unit converters on 247QuickTools. Not sure what tyre size fits? 247TyreCheck explains tyre sizing.
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2018 Seat Leon Safety Rating
Cars sold in the UK and Europe are crash-tested by Euro NCAP, not the US NHTSA, so there is no NHTSA star rating for the Seat Leon. Look the Seat Leon up on Euro NCAP's results page to see the star rating and the test year for this generation; ratings from different years use different criteria and are not directly comparable. To check a specific UK car for open recalls, use the GOV.UK vehicle recalls checker, and see our UK guide to checking a used car's history.
Last updated: · Data: US EPA (fueleconomy.gov) and NHTSA safety ratings 18 July 2026; NHTSA recalls and complaints 6 October 2026; Wikidata & curated EU catalogue 18 July 2026; European generation and engine data from Wikipedia 7 October 2026
Vehicle data sourced from manufacturer specifications. Always verify with your vehicle handbook or a qualified mechanic. This is a reference tool, not professional advice.
Recommended Accessories for the 2018 Seat Leon
Frequently Asked Questions
Which generation is the 2018 Seat Leon?
The 2018 Seat Leon is part of the Mk3 (2012-2020) generation, produced 2012–2019. The facelift arrived in 2017, so a 2018 car is a post-facelift example.
What engines did the 2018 Seat Leon come with?
Engines listed for this generation include 1.2 TSI 86-110 (petrol); 1.4 TSI 125-150 (petrol); 1.5 EcoTSI 150 (petrol); 1.8 TSI 179 (petrol); 2.0 EcoTSI 190 (petrol); 2.0 TSI Cupra 265-300 (petrol); 2.0 TSI Cupra R 310 (petrol); 1.6 TDI 90-105 (diesel). Not every engine was sold in every year or market, so check the car's V5C or handbook for the exact unit.
What body styles does the 2018 Seat Leon come in?
This generation was offered as: 3-door hatchback (SC), 5-door hatchback, 5-door estate (ST).
What gearbox does the 2018 Seat Leon have?
Transmissions listed for this generation include 6-speed manual, 6-speed DSG, 7-speed DSG, depending on engine and trim.
How safe is the 2018 Seat Leon?
European-market cars are crash-tested by Euro NCAP rather than NHTSA. Search for the Seat Leon at euroncap.com/en/results to see the star rating and the test year for this generation.