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 Mercedes-Benz G-Klasse Cabriolet 2007 – 2012 Hummer H3 Alpha 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.

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