SEAT 1.8i 20v Tuning
Supported in 2 SEAT models, 1999+.
SEAT
2 supported 1.8i 20v applications
Models With the SEAT 1.8i 20v
All Supported SEAT 1.8i 20v Tunes
| Model | Years | Version | Stock power | Controller | Platform |
|---|---|---|---|---|---|
| Leon | 1999+ | 1M | 125 hp | ECU Bosch ME7.5 | AutoTuner |
| Toledo | 1999+ | 1M | 125 hp | ECU Bosch ME7.5 | AutoTuner |
About SEAT 1.8i 20v tuning
We tune the SEAT 1.8i 20v in 2 applications across the Leon, Toledo, from 1999+, in gasoline form, with stock outputs of 125 hp. Calibrations are written on AutoTuner for your exact hardware and fuel, then proven on our Dynojet 424xLC2 in Jenison, MI.
This engine runs on: Bosch ME7.5.
Don't See Your Vehicle?
These lists cover off-the-shelf tuning platforms. We also do standalone ECU installs and custom calibrations, so reach out and we'll tell you what's possible for your build. Compatibility data last updated 2026-09-24.