2004 Alfa Romeo GT vs. 2005 Opel Signum
To start off, 2005 Opel Signum is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Alfa Romeo GT. In addition, the cost of maintenance, including insurance, on 2004 Alfa Romeo GT would be higher. At 3,179 cc (6 cylinders), 2004 Alfa Romeo GT is equipped with a bigger engine. In terms of performance, 2004 Alfa Romeo GT (237 HP @ 6200 RPM) has 64 more horse power than 2005 Opel Signum. (173 HP @ 5500 RPM). In normal driving conditions, 2004 Alfa Romeo GT should accelerate faster than 2005 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 145 kg more than 2004 Alfa Romeo GT.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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 Alfa Romeo GT (300 Nm @ 4800 RPM) has 35 more torque (in Nm) than 2005 Opel Signum. (265 Nm @ 2500 RPM). This means 2004 Alfa Romeo GT will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Signum.
Compare all specifications:
| 2004 Alfa Romeo GT | 2005 Opel Signum | |
| Make | Alfa Romeo | Opel |
| Model | GT | Signum |
| Year Released | 2004 | 2005 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3179 cc | 1908 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 237 HP | 173 HP |
| Engine RPM | 6200 RPM | 5500 RPM |
| Torque | 300 Nm | 265 Nm |
| Torque RPM | 4800 RPM | 2500 RPM |
| Engine Bore Size | 93 mm | 86 mm |
| Engine Stroke Size | 78 mm | 86 mm |
| Engine Compression Ratio | 10.0:1 | 9.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 243 km/hour | 220 km/hour |
| Acceleration 0-100mph | 6.7 seconds | 9.4 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1415 kg | 1560 kg |
| Vehicle Length | 4500 mm | 4640 mm |
| Vehicle Width | 1770 mm | 1800 mm |
| Vehicle Height | 1330 mm | 1470 mm |
| Wheelbase Size | 2600 mm | 2620 mm |
| Fuel Consumption Overall | 12.5 L/100km | 9.2 L/100km |
| Fuel Tank Capacity | 63 L | 60 L |
