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 3,179 cc (6 cylinders), 2007 Alfa Romeo GT is equipped with a bigger engine. In terms of performance, 2007 Alfa Romeo GT (237 HP @ 6200 RPM) has 29 more horse power than 1999 Opel Signum. (208 HP @ 6200 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 125 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, both vehicles can yield 300 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
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 | 3179 cc | 3175 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 237 HP | 208 HP |
| Engine RPM | 6200 RPM | 6200 RPM |
| Torque | 300 Nm | 300 Nm |
| Torque RPM | 4800 RPM | 4000 RPM |
| Engine Bore Size | 93.1 mm | 87.5 mm |
| Engine Stroke Size | 78 mm | 88 mm |
| Engine Compression Ratio | 10.0:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1485 kg | 1610 kg |
| Vehicle Length | 4500 mm | 4640 mm |
| Vehicle Width | 1770 mm | 1800 mm |
| Vehicle Height | 1370 mm | 1470 mm |
| Wheelbase Size | 2600 mm | 2840 mm |
| Fuel Tank Capacity | 63 L | 52 L |
