Vespa GTS 2009 →
| Engine | Fuel | Stock | Stage 1 | Gain |
|---|---|---|---|---|
| Gts 250 Ie | 22 hp / 20 Nm | 26 hp / 24 Nm | +4 hp / +4 Nm | |
| Gts 300i | 23 hp / 23 Nm | 25 hp / 25 Nm | +2 hp / +2 Nm | |
| Gts 300 Super Sport | 22 hp / 23 Nm | 26 hp / 27 Nm | +4 hp / +4 Nm |
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