2008 Cadillac STS vs. 2005 Opel Omega
To start off, 2008 Cadillac STS is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Opel Omega. In addition, the cost of maintenance, including insurance, on 2005 Opel Omega would be higher. At 4,376 cc (8 cylinders), 2008 Cadillac STS is equipped with a bigger engine. In terms of performance, 2008 Cadillac STS (469 HP @ 6400 RPM) has 291 more horse power than 2005 Opel Omega. (178 HP @ 3400 RPM). In normal driving conditions, 2008 Cadillac STS should accelerate faster than 2005 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Omega weights approximately 125 kg more than 2008 Cadillac STS.
Because 2008 Cadillac STS is four wheel drive (4WD), it will have significant more traction and grip than 2005 Opel Omega. In wet, icy, snow, or gravel driving conditions, 2008 Cadillac STS 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, 2008 Cadillac STS (595 Nm @ 3900 RPM) has 355 more torque (in Nm) than 2005 Opel Omega. (240 Nm @ 3400 RPM). This means 2008 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Omega.
Compare all specifications:
| 2008 Cadillac STS | 2005 Opel Omega | |
| Make | Cadillac | Opel |
| Model | STS | Omega |
| Year Released | 2008 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 4376 cc | 2597 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 469 HP | 178 HP |
| Engine RPM | 6400 RPM | 3400 RPM |
| Torque | 595 Nm | 240 Nm |
| Torque RPM | 3900 RPM | 3400 RPM |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1560 kg | 1685 kg |
| Vehicle Length | 5030 mm | 4900 mm |
| Vehicle Width | 1850 mm | 1780 mm |
| Vehicle Height | 1480 mm | 1460 mm |
| Wheelbase Size | 2960 mm | 2520 mm |
| Fuel Consumption Overall | 15.7 L/100km | 10.6 L/100km |
| Fuel Tank Capacity | 64 L | 75 L |
