2005 Buick Century vs. 2006 Hummer H1
To start off, 2006 Hummer H1 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Buick Century. In addition, the cost of maintenance, including insurance, on 2005 Buick Century would be higher. At 6,604 cc (8 cylinders), 2006 Hummer H1 is equipped with a bigger engine. In terms of performance, 2006 Hummer H1 (300 HP) has 124 more horse power than 2005 Buick Century. (176 HP) In normal driving conditions, 2006 Hummer H1 should accelerate faster than 2005 Buick Century. With that said, vehicle weight also plays an important factor in acceleration. 2006 Hummer H1 weights approximately 1752 kg more than 2005 Buick Century. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Hummer H1 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Buick Century. In wet, icy, snow, or gravel driving conditions, 2006 Hummer H1 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 H1 (705 Nm @ 1500 RPM) has 441 more torque (in Nm) than 2005 Buick Century. (264 Nm @ 4000 RPM). This means 2006 Hummer H1 will have an easier job in driving up hills or pulling heavy equipment than 2005 Buick Century.
Compare all specifications:
| 2005 Buick Century | 2006 Hummer H1 | |
| Make | Buick | Hummer |
| Model | Century | H1 |
| Year Released | 2005 | 2006 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 3135 cc | 6604 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 176 HP | 300 HP |
| Torque | 264 Nm | 705 Nm |
| Torque RPM | 4000 RPM | 1500 RPM |
| Engine Bore Size | 89 mm | 103.1 mm |
| Engine Stroke Size | 84 mm | 99.1 mm |
| Engine Compression Ratio | 9.6:1 | 17.5:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1520 kg | 3272 kg |
| Vehicle Length | 4950 mm | 4690 mm |
| Vehicle Width | 1850 mm | 2200 mm |
| Vehicle Height | 1440 mm | 2010 mm |
| Wheelbase Size | 2780 mm | 3310 mm |
| Fuel Consumption Overall | 9.8 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 64 L | 195 L |
