2003 Opel Signum vs. 2004 TVR Speed 12
To start off, 2004 TVR Speed 12 is newer by 1 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 7,730 cc (12 cylinders), 2004 TVR Speed 12 is equipped with a bigger engine. In terms of performance, 2004 TVR Speed 12 (791 HP @ 7750 RPM) has 584 more horse power than 2003 Opel Signum. (207 HP @ 6200 RPM) In normal driving conditions, 2004 TVR Speed 12 should accelerate faster than 2003 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 613 kg more than 2004 TVR Speed 12.
Because 2004 TVR Speed 12 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 2004 TVR Speed 12. However, in wet, icy, snow, or gravel driving conditions, 2003 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, 2004 TVR Speed 12 (881 Nm @ 5750 RPM) has 581 more torque (in Nm) than 2003 Opel Signum. (300 Nm @ 4000 RPM). This means 2004 TVR Speed 12 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Signum. 2003 Opel Signum has automatic transmission and 2004 TVR Speed 12 has manual transmission. 2004 TVR Speed 12 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:
| 2003 Opel Signum | 2004 TVR Speed 12 | |
| Make | Opel | TVR |
| Model | Signum | Speed 12 |
| Year Released | 2003 | 2004 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 3173 cc | 7730 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 207 HP | 791 HP |
| Engine RPM | 6200 RPM | 7750 RPM |
| Torque | 300 Nm | 881 Nm |
| Torque RPM | 4000 RPM | 5750 RPM |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1613 kg | 1000 kg |
| Vehicle Length | 4640 mm | 4310 mm |
| Vehicle Width | 1800 mm | 1970 mm |
| Vehicle Height | 1470 mm | 1110 mm |
| Wheelbase Size | 2840 mm | 2570 mm |
| Fuel Consumption Overall | 10.7 L/100km | 13 L/100km |
| Fuel Tank Capacity | 60 L | 57 L |
