2009 Alfa Romeo GTV vs. 2003 Opel Signum
To start off, 2009 Alfa Romeo GTV is newer by 6 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 3,179 cc (6 cylinders), 2009 Alfa Romeo GTV is equipped with a bigger engine. In terms of performance, 2009 Alfa Romeo GTV (237 HP @ 6200 RPM) has 62 more horse power than 2003 Opel Signum. (175 HP @ 4000 RPM). In normal driving conditions, 2009 Alfa Romeo GTV should accelerate faster than 2003 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 150 kg more than 2009 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, 2003 Opel Signum (371 Nm @ 1900 RPM) has 82 more torque (in Nm) than 2009 Alfa Romeo GTV. (289 Nm @ 4800 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2009 Alfa Romeo GTV. 2003 Opel Signum has automatic transmission and 2009 Alfa Romeo GTV has manual transmission. 2009 Alfa Romeo GTV 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:
| 2009 Alfa Romeo GTV | 2003 Opel Signum | |
| Make | Alfa Romeo | Opel |
| Model | GTV | Signum |
| Year Released | 2009 | 2003 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3179 cc | 2958 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 237 HP | 175 HP |
| Engine RPM | 6200 RPM | 4000 RPM |
| Torque | 289 Nm | 371 Nm |
| Torque RPM | 4800 RPM | 1900 RPM |
| Engine Bore Size | 93 mm | 87.5 mm |
| Engine Stroke Size | 78 mm | 82 mm |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 255 km/hour | 221 km/hour |
| Acceleration 0-100mph | 6.3 seconds | 9.4 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1520 kg | 1670 kg |
| Vehicle Length | 4310 mm | 4640 mm |
| Vehicle Width | 1780 mm | 1800 mm |
| Vehicle Height | 1320 mm | 1470 mm |
| Wheelbase Size | 2550 mm | 2700 mm |
| Fuel Consumption Overall | 13.2 L/100km | 7.4 L/100km |
| Fuel Tank Capacity | 70 L | 60 L |
