2008 Cadillac STS vs. 2004 Opel Signum
To start off, 2008 Cadillac STS is newer by 4 year(s). Which means there will be less support and parts availability for 2004 Opel Signum. In addition, the cost of maintenance, including insurance, on 2004 Opel Signum 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 296 more horse power than 2004 Opel Signum. (173 HP @ 5500 RPM). In normal driving conditions, 2008 Cadillac STS should accelerate faster than 2004 Opel Signum.
Because 2008 Cadillac STS is four wheel drive (4WD), it will have significant more traction and grip than 2004 Opel Signum. 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 330 more torque (in Nm) than 2004 Opel Signum. (265 Nm @ 2500 RPM). This means 2008 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Signum. 2008 Cadillac STS has automatic transmission and 2004 Opel Signum has manual transmission. 2004 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Cadillac STS | 2004 Opel Signum | |
| Make | Cadillac | Opel |
| Model | STS | Signum |
| Year Released | 2008 | 2004 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4376 cc | 1995 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 469 HP | 173 HP |
| Engine RPM | 6400 RPM | 5500 RPM |
| Torque | 595 Nm | 265 Nm |
| Torque RPM | 3900 RPM | 2500 RPM |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1560 kg | 1560 kg |
| Vehicle Length | 5030 mm | 4640 mm |
| Vehicle Width | 1850 mm | 1800 mm |
| Vehicle Height | 1480 mm | 1470 mm |
| Wheelbase Size | 2960 mm | 2840 mm |
| Fuel Consumption Overall | 15.7 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 64 L | 60 L |
