2007 GMC Sierra vs. 2002 Vauxhall Omega
To start off, 2007 GMC Sierra is newer by 5 year(s). Which means there will be less support and parts availability for 2002 Vauxhall Omega. In addition, the cost of maintenance, including insurance, on 2002 Vauxhall Omega would be higher. At 5,999 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 GMC Sierra (300 HP @ 4400 RPM) has 152 more horse power than 2002 Vauxhall Omega. (148 HP @ 4000 RPM). In normal driving conditions, 2007 GMC Sierra should accelerate faster than 2002 Vauxhall Omega.
Let's talk about torque, 2007 GMC Sierra (488 Nm @ 4000 RPM) has 182 more torque (in Nm) than 2002 Vauxhall Omega. (306 Nm @ 1700 RPM). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2002 Vauxhall Omega. 2007 GMC Sierra has automatic transmission and 2002 Vauxhall Omega has manual transmission. 2002 Vauxhall Omega will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 GMC Sierra | 2002 Vauxhall Omega | |
| Make | GMC | Vauxhall |
| Model | Sierra | Omega |
| Year Released | 2007 | 2002 |
| Engine Position | Front | Front |
| Engine Size | 5999 cc | 2496 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 300 HP | 148 HP |
| Engine RPM | 4400 RPM | 4000 RPM |
| Torque | 488 Nm | 306 Nm |
| Torque RPM | 4000 RPM | 1700 RPM |
| Transmission Type | Automatic | Manual |
| Vehicle Length | 6330 mm | 4900 mm |
| Vehicle Width | 2450 mm | 1790 mm |
| Vehicle Height | 1940 mm | 1510 mm |
| Wheelbase Size | 4010 mm | 2740 mm |
