SEAT 1.8 TSI / TFSI Tuning
Supported in 5 SEAT models, 2004+.
SEAT
37 supported 1.8 TSI / TFSI applications
Models With the SEAT 1.8 TSI / TFSI
All Supported SEAT 1.8 TSI / TFSI Tunes
| Model | Years | Version | Stock power | Controller | Platform |
|---|---|---|---|---|---|
| Altea | 2004+ | 160 hp | ECU Bosch MED17.5 | AutoTuner | |
| Altea | 2004+ | 160 hp | ECU Bosch MED17.5.2 | AutoTuner | |
| Altea | 2004+ | 160 hp | TCU Temic DQ200 | AutoTuner | |
| Altea XL | 2006+ | 160 hp | ECU Bosch MED17.5 | AutoTuner | |
| Altea XL | 2006+ | 160 hp | ECU Bosch MED17.5.2 | AutoTuner | |
| Altea XL | 2006+ | 160 hp | TCU Temic DQ200 | AutoTuner | |
| Exeo | 2009+ | 120 hp | ECU Bosch MED17.5 | AutoTuner | |
| Exeo | 2009+ | 150 hp | ECU Bosch MED17.5 | AutoTuner | |
| Exeo | 2009+ | 120 hp | ECU Bosch MED17.5.2 | AutoTuner | |
| Exeo | 2009+ | 150 hp | ECU Bosch MED17.5.2 | AutoTuner | |
| Exeo | 2009+ | 160 hp | ECU Bosch MED17.5 | AutoTuner | |
| Exeo | 2009+ | 160 hp | ECU Bosch MED17.5.2 | AutoTuner | |
| Exeo | 2009+ | 160 hp | TCU Temic DQ200 | AutoTuner | |
| Leon | 2017+ | 5F MK2 | 180 hp | ECU Continental Simos12.2 | AutoTuner |
| Leon | 2017+ | 5F MK2 | 180 hp | ECU Continental Simos18.6 | AutoTuner |
| Leon | 2017+ | 5F MK2 | 180 hp | ECU Continental Simos18.1 | AutoTuner |
| Leon | 2017+ | 5F MK2 | 180 hp | ECU Continental Simos18.3 | AutoTuner |
| Leon | 2017+ | 5F MK2 | 180 hp | ECU Continental Simos12.1 | AutoTuner |
| Leon | 2017+ | 5F MK2 | 180 hp | ECU Continental Simos18.2 | AutoTuner |
| Leon | 2017+ | 5F MK2 | 180 hp | TCU Bosch DQ381 | AutoTuner |
| Leon | 2017+ | 5F MK2 | 180 hp | TCU Temic DQ200G2 | AutoTuner |
| Leon | 2017+ | 5F MK2 | 180 hp | TCU Temic DQ200 (MQB) | AutoTuner |
| Leon | 2013+ | 5F MK1 | 180 hp | ECU Continental Simos12.2 | AutoTuner |
| Leon | 2013+ | 5F MK1 | 180 hp | ECU Continental Simos18.6 | AutoTuner |
| Leon | 2013+ | 5F MK1 | 180 hp | ECU Continental Simos18.1 | AutoTuner |
| Leon | 2013+ | 5F MK1 | 180 hp | ECU Continental Simos18.3 | AutoTuner |
| Leon | 2013+ | 5F MK1 | 180 hp | ECU Continental Simos12.1 | AutoTuner |
| Leon | 2013+ | 5F MK1 | 180 hp | ECU Continental Simos18.2 | AutoTuner |
| Leon | 2013+ | 5F MK1 | 180 hp | TCU Bosch DQ381 | AutoTuner |
| Leon | 2013+ | 5F MK1 | 180 hp | TCU Temic DQ200G2 | AutoTuner |
| Leon | 2013+ | 5F MK1 | 180 hp | TCU Temic DQ200 (MQB) | AutoTuner |
| Leon | 2005+ | 1P | 160 hp | ECU Bosch MED17.5 | AutoTuner |
| Leon | 2005+ | 1P | 160 hp | ECU Bosch MED17.5.2 | AutoTuner |
| Leon | 2005+ | 1P | 160 hp | TCU Temic DQ200 | AutoTuner |
| Toledo | 2006+ | 5P | 160 hp | ECU Bosch MED17.5 | AutoTuner |
| Toledo | 2006+ | 5P | 160 hp | ECU Bosch MED17.5.2 | AutoTuner |
| Toledo | 2006+ | 5P | 160 hp | TCU Temic DQ200 | AutoTuner |
About SEAT 1.8 TSI / TFSI tuning
We tune the SEAT 1.8 TSI / TFSI in 37 applications across the Altea, Altea XL, Exeo, Leon, Toledo, from 2004+, in gasoline form, with stock outputs of 120-180 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 DQ381, Bosch MED17.5, Bosch MED17.5.2, Continental Simos12.1, Continental Simos12.2, Continental Simos18.1, Continental Simos18.2, Continental Simos18.3, Continental Simos18.6, Temic DQ200, Temic DQ200 (MQB), Temic DQ200G2.
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.