2003 Alfa Romeo GTV vs. 2004 Opel Signum
To start off, 2004 Opel Signum is newer by 1 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo GTV. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo GTV would be higher. At 3,179 cc (6 cylinders), 2003 Alfa Romeo GTV is equipped with a bigger engine. In terms of performance, 2003 Alfa Romeo GTV (236 HP @ 6200 RPM) has 88 more horse power than 2004 Opel Signum. (148 HP @ 4000 RPM). In normal driving conditions, 2003 Alfa Romeo GTV should accelerate faster than 2004 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Signum weights approximately 164 kg more than 2003 Alfa Romeo GTV.
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 Opel Signum (326 Nm @ 2000 RPM) has 37 more torque (in Nm) than 2003 Alfa Romeo GTV. (289 Nm @ 4800 RPM). This means 2004 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo GTV.
Compare all specifications:
| 2003 Alfa Romeo GTV | 2004 Opel Signum | |
| Make | Alfa Romeo | Opel |
| Model | GTV | Signum |
| Year Released | 2003 | 2004 |
| 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 | 2 valves |
| Horse Power | 236 HP | 148 HP |
| Engine RPM | 6200 RPM | 4000 RPM |
| Torque | 289 Nm | 326 Nm |
| Torque RPM | 4800 RPM | 2000 RPM |
| Engine Compression Ratio | 10.5:1 | 18.0:1 |
| Top Speed | 255 km/hour | 209 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1446 kg | 1610 kg |
| Vehicle Length | 4310 mm | 4640 mm |
| Vehicle Width | 1790 mm | 1800 mm |
| Vehicle Height | 1320 mm | 1470 mm |
| Wheelbase Size | 2600 mm | 2840 mm |
| Fuel Consumption Highway | 9.3 L/100km | 5.1 L/100km |
| Fuel Consumption City | 19.9 L/100km | 7.8 L/100km |
| Fuel Consumption Overall | 13.2 L/100km | 6.1 L/100km |
| Fuel Tank Capacity | 70 L | 60 L |
