Seat Leon Generations
The Seat Leon was built across 5 generations we cover, each with a different engine lineup — pick yours to keep the numbers on the next pages accurate.
Continue by selecting your Seat Leon generation from the 5 listed below. The engine list on the next page is specific to whichever one you pick.
Frequently asked questions
Do all Seat Leon generations support the same tuning stages?
No — available stages depend on the specific engine in that generation, not the model as a whole. Once you pick your engine, its performance page shows exactly which stages apply.
Does turnaround time differ between Seat Leon generations?
Not meaningfully — most Seat Leon files across generations are handled within a few hours of upload, regardless of which ECU the generation uses.
Is my Seat Leon generation supported for safe remapping?
If it's listed in our catalogue, yes — every engine in every generation shown here has been worked before, with stage limits set to stay within that engine's mechanical margins.
How do I know which Seat Leon generation I have?
Check your vehicle registration document for the build year, or look up the chassis code — both narrow it down to one of the generations listed here.