| model/silnik | paliwo | moc fabryczna | wzrost mocy | moment obrotowy | oszczedność paliwa | wzrost mocy | moment obrotowy |
| Seat LEON 2.0 TFSI | Pb | 276 KM | - | - | - | + 40 KM | + 80 Nm |
| Seat LEON 1.4 16V | Pb | 60 KM | - | - | - | + 5 KM | + 9 Nm |
| Seat LEON 1.8 20V TURBO | Pb | 150 KM | - | - | - | + 40 KM | + 75 Nm |
| Seat LEON 1.8 20V | Pb | 125 KM | - | - | - | + 13 KM | + 16 Nm |
| Seat LEON 1.9 TDI | On | 90/110/130/150/160 KM | + 28 KM | + 55 Nm | do 15 % | + 38 KM | + 80 Nm |
| Seat LEON (CUPRA R) 1.8 20V TURBO | Pb | 180/210/225 KM | - | - | - | + 40 KM | + 75 Nm |
| Seat LEON (CUPRA R) 2.8 VR6 | Pb | 201 KM | - | - | - | + 16 KM | + 25 Nm |
| Seat LEON 1.6 8V | Pb | 102 KM | - | - | - | + 7 KM | + 10 Nm |
| Seat LEON 2005 1.4 TSI MED 17 | Pb | 123 KM | - | - | - | + 30 KM | + 60 Nm |
| Seat LEON 2005 1.8 TSI MED17 | Pb | 150 KM | - | - | - | + 40 KM | + 75 Nm |
| Seat LEON 2005 1.9 8V TDI | On | 90/110 KM | + 28 KM | + 55 Nm | do 15 % | + 38 KM | + 80 Nm |
| Seat LEON 2005 2.0 16V FSI | Pb | 147 KM | - | - | - | + 10 KM | + 12 Nm |
| Seat LEON 2005 2.0 16V TDI FR | On | 170 KM | + 28 KM | + 55 Nm | do 15 % | + 38 KM | + 80 Nm |
| Seat LEON 2005 2.0 16V TDI | On | 170 KM | + 28 KM | + 55 Nm | do 15 % | + 38 KM | + 80 Nm |
| Seat LEON 2005 2.0 16V TFSI CE | Pb | 197 KM | - | - | - | + 40 KM | + 80 Nm |
| Seat LEON 2005 2.0 16V TFSI FR | Pb | 200/211 KM | - | - | - | + 40 KM | + 80 Nm |
| Seat LEON 2005 2.0 TDI | On | 140/170 KM | + 28 KM | + 55 Nm | do 15 % | + 38 KM | + 80 Nm |
| Seat LEON 2005 2.0 TSI | Pb | 207 KM | - | - | - | + 25 KM | + 55 Nm |
| Seat LEON 2005 (FR/CUPRA) 2.0 16V TFSI | Pb | 200/240 KM | - | - | - | + 40 KM | + 85 Nm |
| Seat LEON (II) 1.6 16V TDI (CR) | On | 105 KM | + 15 KM | + 30 Nm | do 15 % | + 25 KM | + 55 Nm |
| Seat LEON (II) 2.0 16V TDI | On | 136/140 KM | + 25 KM | + 50 Nm | do 15 % | + 35 KM | + 75 Nm |
| Seat LEON (II) 2.0 16V TFSI CE | Pb | 286/310 KM | - | - | - | + 30 KM | + 60 Nm |
| Seat LEON (II) 2.0 16V TFSI CUPRA | Pb | 240 KM | - | - | - | + 30 KM | + 60 Nm |
| Seat LEON (II) 2.0 16V TFSI FR | Pb | 200/211 KM | - | - | - | + 30 KM | + 60 Nm |
| Seat LEON (II) 2.0 16V TFSI | Pb | 185 KM | - | - | - | + 30 KM | + 60 Nm |
