2007 GMC Sierra vs. 2001 Opel Omega
To start off, 2007 GMC Sierra is newer by 6 year(s). Which means there will be less support and parts availability for 2001 Opel Omega. In addition, the cost of maintenance, including insurance, on 2001 Opel Omega would be higher. At 5,998 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 GMC Sierra (345 HP @ 5200 RPM) has 130 more horse power than 2001 Opel Omega. (215 HP @ 6000 RPM). In normal driving conditions, 2007 GMC Sierra should accelerate faster than 2001 Opel Omega.
Because 2007 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2001 Opel Omega. In wet, icy, snow, or gravel driving conditions, 2007 GMC Sierra 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, 2007 GMC Sierra (515 Nm @ 4000 RPM) has 225 more torque (in Nm) than 2001 Opel Omega. (290 Nm @ 3400 RPM). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2001 Opel Omega.
Compare all specifications:
| 2007 GMC Sierra | 2001 Opel Omega | |
| Make | GMC | Opel |
| Model | Sierra | Omega |
| Year Released | 2007 | 2001 |
| Engine Position | Front | Front |
| Engine Size | 5998 cc | 3175 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 345 HP | 215 HP |
| Engine RPM | 5200 RPM | 6000 RPM |
| Torque | 515 Nm | 290 Nm |
| Torque RPM | 4000 RPM | 3400 RPM |
| Engine Bore Size | 102 mm | 87.5 mm |
| Engine Stroke Size | 92 mm | 88 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Vehicle Length | 5850 mm | 4900 mm |
| Vehicle Width | 2000 mm | 1790 mm |
| Vehicle Height | 1910 mm | 1510 mm |
| Wheelbase Size | 3650 mm | 2740 mm |
