2007 Cadillac STS vs. 2006 Opel Signum
To start off, 2007 Cadillac STS is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Opel Signum. In addition, the cost of maintenance, including insurance, on 2006 Opel Signum 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 112 more horse power than 2006 Opel Signum. (208 HP @ 6200 RPM). In normal driving conditions, 2007 Cadillac STS should accelerate faster than 2006 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2007 Cadillac STS weights approximately 28 kg more than 2006 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Cadillac STS is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2007 Cadillac STS. However, in wet, icy, snow, or gravel driving conditions, 2006 Opel Signum, being front wheel drive (FWD), will offer much better control with better grip. 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 126 more torque (in Nm) than 2006 Opel Signum. (301 Nm @ 4000 RPM). This means 2007 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Signum.
Compare all specifications:
2007 Cadillac STS | 2006 Opel Signum | |
Make | Cadillac | Opel |
Model | STS | Signum |
Year Released | 2007 | 2006 |
Body Type | Sedan | Hatchback |
Engine Position | Front | Front |
Engine Size | 4565 cc | 3175 cc |
Engine Cylinders | 8 cylinders | 6 cylinders |
Engine Type | V | V |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 320 HP | 208 HP |
Engine RPM | 6400 RPM | 6200 RPM |
Torque | 427 Nm | 301 Nm |
Torque RPM | 4400 RPM | 4000 RPM |
Engine Bore Size | 93 mm | 87.5 mm |
Engine Stroke Size | 84 mm | 88 mm |
Drive Type | Rear | Front |
Transmission Type | Automatic | Automatic |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 5 doors |
Vehicle Weight | 1638 kg | 1610 kg |
Vehicle Length | 4990 mm | 4640 mm |
Vehicle Width | 1850 mm | 1800 mm |
Vehicle Height | 1470 mm | 1470 mm |
Wheelbase Size | 2960 mm | 2840 mm |
Fuel Consumption Overall | 11.8 L/100km | 10.1 L/100km |
Fuel Tank Capacity | 64 L | 60 L |