2007 Alfa Romeo GT vs. 1999 Opel Signum
To start off, 2007 Alfa Romeo GT is newer by 8 year(s). Which means there will be less support and parts availability for 1999 Opel Signum. In addition, the cost of maintenance, including insurance, on 1999 Opel Signum would be higher. At 3,178 cc (6 cylinders), 2007 Alfa Romeo GT is equipped with a bigger engine. In terms of performance, 2007 Alfa Romeo GT (236 HP @ 6200 RPM) has 113 more horse power than 1999 Opel Signum. (123 HP @ 3250 RPM). In normal driving conditions, 2007 Alfa Romeo GT should accelerate faster than 1999 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 1999 Opel Signum weights approximately 200 kg more than 2007 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, 2007 Alfa Romeo GT (300 Nm @ 4800 RPM) has 29 more torque (in Nm) than 1999 Opel Signum. (271 Nm @ 1500 RPM). This means 2007 Alfa Romeo GT will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Signum.
Compare all specifications:
| 2007 Alfa Romeo GT | 1999 Opel Signum | |
| Make | Alfa Romeo | Opel |
| Model | GT | Signum |
| Year Released | 2007 | 1999 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3178 cc | 2171 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 236 HP | 123 HP |
| Engine RPM | 6200 RPM | 3250 RPM |
| Torque | 300 Nm | 271 Nm |
| Torque RPM | 4800 RPM | 1500 RPM |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 243 km/hour | 201 km/hour |
| Acceleration 0-100mph | 6.7 seconds | 11.2 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1410 kg | 1610 kg |
| Vehicle Length | 4500 mm | 4640 mm |
| Vehicle Width | 1770 mm | 1800 mm |
| Vehicle Height | 1370 mm | 1470 mm |
| Wheelbase Size | 2610 mm | 2840 mm |
| Fuel Consumption Overall | 12.4 L/100km | 6.3 L/100km |
| Fuel Tank Capacity | 63 L | 61 L |
