GMC Envoy 2002 - 2010
| Engine | Fuel | Stock | Stage 1 | Gain |
|---|---|---|---|---|
| 4.2i - 270hp LL8 | Petrol | 270 hp / 373 Nm | 290 hp / 395 Nm | +20 hp / +22 Nm |
| 5.3 V8 290hp LM4 | Petrol | 290 hp / 441 Nm | 310 hp / 460 Nm | +20 hp / +19 Nm |
| 5.3 V8 300hp LM4 | Petrol | 300 hp / 447 Nm | 320 hp / 470 Nm | +20 hp / +23 Nm |
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