2004 Buick Regal vs. 2009 Hummer H2
To start off, 2009 Hummer H2 is newer by 5 year(s). Which means there will be less support and parts availability for 2004 Buick Regal. In addition, the cost of maintenance, including insurance, on 2004 Buick Regal would be higher. At 6,162 cc (8 cylinders), 2009 Hummer H2 is equipped with a bigger engine. In terms of performance, 2009 Hummer H2 (388 HP @ 5700 RPM) has 191 more horse power than 2004 Buick Regal. (197 HP @ 5200 RPM) In normal driving conditions, 2009 Hummer H2 should accelerate faster than 2004 Buick Regal. With that said, vehicle weight also plays an important factor in acceleration. 2009 Hummer H2 weights approximately 1329 kg more than 2004 Buick Regal. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Hummer H2 is four wheel drive (4WD), it will have significant more traction and grip than 2004 Buick Regal. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Hummer H2 (415 Nm @ 4300 RPM) has 103 more torque (in Nm) than 2004 Buick Regal. (312 Nm @ 4000 RPM). This means 2009 Hummer H2 will have an easier job in driving up hills or pulling heavy equipment than 2004 Buick Regal.
Compare all specifications:
| 2004 Buick Regal | 2009 Hummer H2 | |
| Make | Buick | Hummer |
| Model | Regal | H2 |
| Year Released | 2004 | 2009 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 6162 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 197 HP | 388 HP |
| Engine RPM | 5200 RPM | 5700 RPM |
| Torque | 312 Nm | 415 Nm |
| Torque RPM | 4000 RPM | 4300 RPM |
| Engine Compression Ratio | 9.4:1 | 10.5:1 |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1521 kg | 2850 kg |
| Vehicle Length | 4990 mm | 4830 mm |
| Vehicle Width | 1850 mm | 2070 mm |
| Vehicle Height | 1440 mm | 2020 mm |
| Wheelbase Size | 3080 mm | 3130 mm |
| Fuel Consumption Overall | 10 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 66 L | 121 L |
