2007 GMC Sierra vs. 1999 Vauxhall Omega
To start off, 2007 GMC Sierra is newer by 8 year(s). Which means there will be less support and parts availability for 1999 Vauxhall Omega. In addition, the cost of maintenance, including insurance, on 1999 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 132 more horse power than 1999 Vauxhall Omega. (168 HP @ 6000 RPM). In normal driving conditions, 2007 GMC Sierra should accelerate faster than 1999 Vauxhall Omega.
Let's talk about torque, 2007 GMC Sierra (488 Nm @ 4000 RPM) has 261 more torque (in Nm) than 1999 Vauxhall Omega. (227 Nm @ 3200 RPM). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1999 Vauxhall Omega. 2007 GMC Sierra has automatic transmission and 1999 Vauxhall Omega has manual transmission. 1999 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 | 1999 Vauxhall Omega | |
| Make | GMC | Vauxhall |
| Model | Sierra | Omega |
| Year Released | 2007 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 5999 cc | 2498 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 300 HP | 168 HP |
| Engine RPM | 4400 RPM | 6000 RPM |
| Torque | 488 Nm | 227 Nm |
| Torque RPM | 4000 RPM | 3200 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 |
