Buick Excelle GT Stage 1
4 engines – 121–181 hp
4
engines
+32 hp
Max gain
+14%
Avg. gain
| Engine | Fuel | Stock (hp) | Stage 1 (hp) | Gain |
|---|---|---|---|---|
| 1.4 Turbo 140hp | Petrol | 140 | 172 | +32 (23%) |
| 1.6 Turbo 181hp | Petrol | 181 | 211 | +30 (17%) |
| 1.8 ECOTEC 146hp | Petrol | 146 | 158 | +12 (8%) |
| 1.6i 121hp | Petrol | 121 | 132 | +11 (9%) |
FAQ
Is Stage 1 safe for the engine?+
Yes, Stage 1 is a mild optimization within factory safety margins. We use dealer-level equipment and verify results on a dyno.
How long does it take?+
Usually 2–4 hours, including diagnostics, remapping, and a control measurement on our dynamometer.
Does it affect fuel consumption?+
Stage 1 can reduce consumption (better torque curve) or slightly increase it under aggressive driving. On average, consumption stays the same.