2007 Cadillac STS vs. 2005 Vauxhall Omega
To start off, 2007 Cadillac STS is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Vauxhall Omega. In addition, the cost of maintenance, including insurance, on 2005 Vauxhall Omega would be higher. At 4,565 cc (8 cylinders), 2007 Cadillac STS is equipped with a bigger engine. In terms of performance, 2007 Cadillac STS (320 HP @ 6400 RPM) has 178 more horse power than 2005 Vauxhall Omega. (142 HP @ 5400 RPM). In normal driving conditions, 2007 Cadillac STS should accelerate faster than 2005 Vauxhall Omega. With that said, vehicle weight also plays an important factor in acceleration. 2005 Vauxhall Omega weights approximately 42 kg more than 2007 Cadillac STS.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 Cadillac STS (427 Nm @ 4400 RPM) has 218 more torque (in Nm) than 2005 Vauxhall Omega. (209 Nm @ 4000 RPM). This means 2007 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2005 Vauxhall Omega.
Compare all specifications:
| 2007 Cadillac STS | 2005 Vauxhall Omega | |
| Make | Cadillac | Vauxhall |
| Model | STS | Omega |
| Year Released | 2007 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 2198 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 320 HP | 142 HP |
| Engine RPM | 6400 RPM | 5400 RPM |
| Torque | 427 Nm | 209 Nm |
| Torque RPM | 4400 RPM | 4000 RPM |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Vehicle Weight | 1566 kg | 1608 kg |
| Vehicle Length | 4990 mm | 4900 mm |
| Vehicle Width | 1850 mm | 1790 mm |
| Vehicle Height | 1470 mm | 1460 mm |
| Wheelbase Size | 2960 mm | 2740 mm |
