2008 Cadillac XLR vs. 2004 Opel Signum
To start off, 2008 Cadillac XLR 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 4,566 cc (8 cylinders), 2008 Cadillac XLR is equipped with a bigger engine. In terms of performance, 2008 Cadillac XLR (320 HP @ 6400 RPM) has 112 more horse power than 2004 Opel Signum. (208 HP @ 6200 RPM). In normal driving conditions, 2008 Cadillac XLR should accelerate faster than 2004 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2008 Cadillac XLR weights approximately 40 kg more than 2004 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Cadillac XLR 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 2008 Cadillac XLR. However, in wet, icy, snow, or gravel driving conditions, 2004 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, 2008 Cadillac XLR (421 Nm @ 4400 RPM) has 121 more torque (in Nm) than 2004 Opel Signum. (300 Nm @ 4000 RPM). This means 2008 Cadillac XLR will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Signum. 2008 Cadillac XLR 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 XLR will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Cadillac XLR | 2004 Opel Signum | |
| Make | Cadillac | Opel |
| Model | XLR | Signum |
| Year Released | 2008 | 2004 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4566 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 | 421 Nm | 300 Nm |
| Torque RPM | 4400 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Acceleration 0-100mph | 5.9 seconds | 7.9 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1635 kg | 1595 kg |
| Vehicle Length | 4520 mm | 4640 mm |
| Vehicle Width | 1840 mm | 1800 mm |
| Vehicle Height | 1290 mm | 1470 mm |
| Wheelbase Size | 2690 mm | 2740 mm |
| Fuel Consumption Overall | 13.1 L/100km | 10.1 L/100km |
| Fuel Tank Capacity | 68 L | 52 L |
