2008 Cadillac CTS vs. 2003 Opel Signum
To start off, 2008 Cadillac CTS is newer by 5 year(s). Which means there will be less support and parts availability for 2003 Opel Signum. In addition, the cost of maintenance, including insurance, on 2003 Opel Signum would be higher. At 2,792 cc (6 cylinders), 2008 Cadillac CTS is equipped with a bigger engine. In terms of performance, 2008 Cadillac CTS (210 HP @ 6500 RPM) has 58 more horse power than 2003 Opel Signum. (152 HP @ 5600 RPM). In normal driving conditions, 2008 Cadillac CTS should accelerate faster than 2003 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 5 kg more than 2008 Cadillac CTS.
Because 2008 Cadillac CTS is four wheel drive (4WD), it will have significant more traction and grip than 2003 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2008 Cadillac CTS 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 CTS (263 Nm @ 3200 RPM) has 43 more torque (in Nm) than 2003 Opel Signum. (220 Nm @ 3800 RPM). This means 2008 Cadillac CTS will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Signum. 2003 Opel Signum has automatic transmission and 2008 Cadillac CTS has manual transmission. 2008 Cadillac CTS will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Cadillac CTS | 2003 Opel Signum | |
| Make | Cadillac | Opel |
| Model | CTS | Signum |
| Year Released | 2008 | 2003 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2792 cc | 2171 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 210 HP | 152 HP |
| Engine RPM | 6500 RPM | 5600 RPM |
| Torque | 263 Nm | 220 Nm |
| Torque RPM | 3200 RPM | 3800 RPM |
| Engine Bore Size | 88.9 mm | 86 mm |
| Engine Stroke Size | 74.7 mm | 94.6 mm |
| Engine Compression Ratio | 10.0:1 | 12.0:1 |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1560 kg | 1565 kg |
| Vehicle Length | 4870 mm | 4640 mm |
| Vehicle Width | 1850 mm | 1800 mm |
| Vehicle Height | 1480 mm | 1470 mm |
| Wheelbase Size | 2890 mm | 2840 mm |
| Fuel Consumption Overall | 11.8 L/100km | 9.1 L/100km |
| Fuel Tank Capacity | 68 L | 60 L |
