2006 Hummer H2 vs. 1999 Alfa Romeo 156
To start off, 2006 Hummer H2 is newer by 7 year(s). Which means there will be less support and parts availability for 1999 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 1999 Alfa Romeo 156 would be higher. At 5,965 cc (8 cylinders), 2006 Hummer H2 is equipped with a bigger engine. In terms of performance, 2006 Hummer H2 (325 HP @ 5200 RPM) has 138 more horse power than 1999 Alfa Romeo 156. (187 HP @ 6300 RPM). In normal driving conditions, 2006 Hummer H2 should accelerate faster than 1999 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2006 Hummer H2 weights approximately 1553 kg more than 1999 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Hummer H2 is four wheel drive (4WD), it will have significant more traction and grip than 1999 Alfa Romeo 156. In wet, icy, snow, or gravel driving conditions, 2006 Hummer H2 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2006 Hummer H2 (496 Nm @ 4000 RPM) has 274 more torque (in Nm) than 1999 Alfa Romeo 156. (222 Nm @ 5000 RPM). This means 2006 Hummer H2 will have an easier job in driving up hills or pulling heavy equipment than 1999 Alfa Romeo 156.
Compare all specifications:
| 2006 Hummer H2 | 1999 Alfa Romeo 156 | |
| Make | Hummer | Alfa Romeo |
| Model | H2 | 156 |
| Year Released | 2006 | 1999 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5965 cc | 2492 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 325 HP | 187 HP |
| Engine RPM | 5200 RPM | 6300 RPM |
| Torque | 496 Nm | 222 Nm |
| Torque RPM | 4000 RPM | 5000 RPM |
| Engine Bore Size | 101.6 mm | 88 mm |
| Engine Stroke Size | 91.9 mm | 68.3 mm |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2903 kg | 1350 kg |
| Vehicle Length | 5180 mm | 4440 mm |
| Vehicle Width | 2070 mm | 1750 mm |
| Vehicle Height | 2020 mm | 1420 mm |
| Wheelbase Size | 3120 mm | 2600 mm |
| Fuel Consumption Overall | 13.8 L/100km | 11.9 L/100km |
| Fuel Tank Capacity | 121 L | 63 L |
