2003 Alpina B7 vs. 2003 Opel Signum
To start off, both 2003 Alpina B7 and 2003 Opel Signum were released in the same year (2003). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,399 cc (8 cylinders), 2003 Alpina B7 is equipped with a bigger engine. In terms of performance, 2003 Alpina B7 (492 HP @ 5500 RPM) has 317 more horse power than 2003 Opel Signum. (175 HP @ 4000 RPM). In normal driving conditions, 2003 Alpina B7 should accelerate faster than 2003 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alpina B7 weights approximately 320 kg more than 2003 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Alpina B7 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2003 Alpina B7. However, in wet, icy, snow, or gravel driving conditions, 2003 Opel Signum, being front wheel drive (FWD), will offer much better control with better grip. 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 Alpina B7 (700 Nm @ 4250 RPM) has 329 more torque (in Nm) than 2003 Opel Signum. (371 Nm @ 1900 RPM). This means 2003 Alpina B7 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Signum.
Compare all specifications:
| 2003 Alpina B7 | 2003 Opel Signum | |
| Make | Alpina | Opel |
| Model | B7 | Signum |
| Year Released | 2003 | 2003 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4399 cc | 2958 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 492 HP | 175 HP |
| Engine RPM | 5500 RPM | 4000 RPM |
| Torque | 700 Nm | 371 Nm |
| Torque RPM | 4250 RPM | 1900 RPM |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 295 km/hour | 221 km/hour |
| Acceleration 0-100mph | 5.5 seconds | 9.4 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1990 kg | 1670 kg |
| Vehicle Length | 5180 mm | 4640 mm |
| Vehicle Width | 1910 mm | 1800 mm |
| Vehicle Height | 1450 mm | 1470 mm |
| Wheelbase Size | 3000 mm | 2700 mm |
| Fuel Tank Capacity | 88 L | 60 L |
