2004 Opel Signum vs. 2011 Ascari KZ1
To start off, 2011 Ascari KZ1 is newer by 7 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 4,941 cc (8 cylinders), 2011 Ascari KZ1 is equipped with a bigger engine. In terms of performance, 2011 Ascari KZ1 (500 HP @ 7000 RPM) has 352 more horse power than 2004 Opel Signum. (148 HP @ 4000 RPM) In normal driving conditions, 2011 Ascari KZ1 should accelerate faster than 2004 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Signum weights approximately 260 kg more than 2011 Ascari KZ1.
Because 2011 Ascari KZ1 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 2011 Ascari KZ1. 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, 2011 Ascari KZ1 (550 Nm @ 4500 RPM) has 224 more torque (in Nm) than 2004 Opel Signum. (326 Nm @ 2000 RPM). This means 2011 Ascari KZ1 will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Signum.
Compare all specifications:
| 2004 Opel Signum | 2011 Ascari KZ1 | |
| Make | Opel | Ascari |
| Model | Signum | KZ1 |
| Year Released | 2004 | 2011 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 1908 cc | 4941 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 148 HP | 500 HP |
| Engine RPM | 4000 RPM | 7000 RPM |
| Torque | 326 Nm | 550 Nm |
| Torque RPM | 2000 RPM | 4500 RPM |
| Engine Bore Size | 82 mm | 94 mm |
| Engine Stroke Size | 90.4 mm | 89 mm |
| Engine Compression Ratio | 18.0:1 | 11.0:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 209 km/hour | 321 km/hour |
| Acceleration 0-100mph | 10.5 seconds | 3.7 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1610 kg | 1350 kg |
| Vehicle Length | 4640 mm | 4300 mm |
| Vehicle Width | 1800 mm | 1852 mm |
| Vehicle Height | 1470 mm | 1138 mm |
| Wheelbase Size | 2840 mm | 2636 mm |
