Mercedes-Benz G-Klasse Cabriolet (2007 – 2012) vs Hummer H3 Alpha (2007 – 2010): specs compared
The Hummer H3 Alpha is the more powerful of the two, with up to 305 hp against 296 hp. The Mercedes-Benz G-Klasse Cabriolet has the higher top speed: 209 km/h against 159 km/h. It uses less fuel, from 11.2 L/100 km against 16.8 L/100 km. The Hummer H3 Alpha is the lighter car, from 2,026 kg against 2,300 kg. At 4,742 mm, the Hummer H3 Alpha is 467 mm longer than the Mercedes-Benz G-Klasse Cabriolet.
| Specification |
Mercedes-Benz
G-Klasse Cabriolet
2007 – 2012
|
Hummer
H3 Alpha
2007 – 2010
|
|---|---|---|
| Overview | ||
| Origin | Germany | United States |
| Documented years | 2007 – 2012 | 2007 – 2010 |
| Body style | Convertible | — |
| Variants | 2 | 1 |
| Fuel | Diesel, Petrol | Petrol |
| Drive | AWD | AWD |
| Gearbox | Automatic | Automatic |
| Performance | ||
| Power | 224 – 296 hp | 305 hp |
| Torque | 456 – 540 Nm | 434 Nm |
| 0–100 km/h | 5.9 – 8.8 s | — |
| Top speed | 175 – 209 km/h | 159 km/h |
| Economy | ||
| Fuel economy | 11.2 – 14.7 L/100 km | 16.8 L/100 km |
| Dimensions | ||
| Length | 4,275 mm | 4,742 mm |
| Width | 1,760 mm | 2,172 mm |
| Height | 1,941 – 1,956 mm | 1,892 mm |
| Wheelbase | 2,400 mm | 2,842 mm |
| Curb weight | 2,300 – 2,320 kg | 2,026 kg |
Ranges cover all variants of each car. The highlight marks the best version per row.

