2004 Opel Signum vs. 2012 Alpina B7
To start off, 2012 Alpina B7 is newer by 8 year(s). Which means there will be less support and parts availability for 2004 Opel Signum. In addition, the cost of maintenance, including insurance, on 2004 Opel Signum would be higher. At 4,400 cc (8 cylinders), 2012 Alpina B7 is equipped with a bigger engine. In terms of performance, 2012 Alpina B7 (500 HP @ 5500 RPM) has 375 more horse power than 2004 Opel Signum. (125 HP @ 5600 RPM) In normal driving conditions, 2012 Alpina B7 should accelerate faster than 2004 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2012 Alpina B7 weights approximately 825 kg more than 2004 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2012 Alpina B7 is all wheel drive (AWD), it will have significant more traction and grip than 2004 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2012 Alpina B7 will offer significantly more control. 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, 2012 Alpina B7 (699 Nm @ 3000 RPM) has 529 more torque (in Nm) than 2004 Opel Signum. (170 Nm @ 3800 RPM). This means 2012 Alpina B7 will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Signum.
Compare all specifications:
| 2004 Opel Signum | 2012 Alpina B7 | |
| Make | Opel | Alpina |
| Model | Signum | B7 |
| Year Released | 2004 | 2012 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1796 cc | 4400 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 125 HP | 500 HP |
| Engine RPM | 5600 RPM | 5500 RPM |
| Torque | 170 Nm | 699 Nm |
| Torque RPM | 3800 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | AWD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1380 kg | 2205 kg |
| Vehicle Length | 4640 mm | 5225 mm |
| Vehicle Width | 1800 mm | 1902 mm |
| Vehicle Height | 1470 mm | 1494 mm |
| Wheelbase Size | 2700 mm | 3211 mm |
| Fuel Consumption | 6.1 L/100km | 11.8 L/100km |
| Fuel Consumption City | 11.1 L/100km | 16.8 L/100km |
| Fuel Tank Capacity | 58 L | 82 L |
