2004 Opel Signum vs. 2008 Opel GT
To start off, 2008 Opel GT 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 3,175 cc (6 cylinders), 2004 Opel Signum is equipped with a bigger engine. In terms of performance, 2008 Opel GT (260 HP @ 5300 RPM) has 52 more horse power than 2004 Opel Signum. (208 HP @ 6200 RPM) In normal driving conditions, 2008 Opel GT 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 2008 Opel GT.
Because 2008 Opel GT 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 Opel GT. 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 Opel GT (353 Nm @ 2500 RPM) has 53 more torque (in Nm) than 2004 Opel Signum. (300 Nm @ 4000 RPM). This means 2008 Opel GT will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Signum.
Compare all specifications:
| 2004 Opel Signum | 2008 Opel GT | |
| Make | Opel | Opel |
| Model | Signum | GT |
| Year Released | 2004 | 2008 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3175 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 208 HP | 260 HP |
| Engine RPM | 6200 RPM | 5300 RPM |
| Torque | 300 Nm | 353 Nm |
| Torque RPM | 4000 RPM | 2500 RPM |
| Engine Bore Size | 87.5 mm | 86 mm |
| Engine Stroke Size | 88 mm | 86 mm |
| Engine Compression Ratio | 10.0:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 237 km/hour | 229 km/hour |
| Acceleration 0-100mph | 7.9 seconds | 5.7 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 | 1595 kg | 1335 kg |
| Vehicle Length | 4640 mm | 4110 mm |
| Vehicle Width | 1800 mm | 1820 mm |
| Vehicle Height | 1470 mm | 1280 mm |
| Wheelbase Size | 2740 mm | 2420 mm |
| Fuel Consumption Overall | 10.1 L/100km | 9.2 L/100km |
| Fuel Tank Capacity | 52 L | 50 L |
