2007 Alpina D3 vs. 2006 Opel Signum
To start off, 2007 Alpina D3 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Opel Signum. In addition, the cost of maintenance, including insurance, on 2006 Opel Signum would be higher. At 3,346 cc (6 cylinders), 2007 Alpina D3 is equipped with a bigger engine. In terms of performance, 2007 Alpina D3 (301 HP @ 6300 RPM) has 183 more horse power than 2006 Opel Signum. (118 HP @ 4000 RPM). In normal driving conditions, 2007 Alpina D3 should accelerate faster than 2006 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Signum weights approximately 165 kg more than 2007 Alpina D3.
Because 2007 Alpina D3 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 2007 Alpina D3. However, in wet, icy, snow, or gravel driving conditions, 2006 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, 2007 Alpina D3 (362 Nm @ 4800 RPM) has 81 more torque (in Nm) than 2006 Opel Signum. (281 Nm @ 2000 RPM). This means 2007 Alpina D3 will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Signum.
Compare all specifications:
| 2007 Alpina D3 | 2006 Opel Signum | |
| Make | Alpina | Opel |
| Model | D3 | Signum |
| Year Released | 2007 | 2006 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 1910 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 301 HP | 118 HP |
| Engine RPM | 6300 RPM | 4000 RPM |
| Torque | 362 Nm | 281 Nm |
| Torque RPM | 4800 RPM | 2000 RPM |
| Engine Bore Size | 87 mm | 82 mm |
| Engine Stroke Size | 93.8 mm | 90.4 mm |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 271 km/hour | 191 km/hour |
| Acceleration 0-100mph | 5.4 seconds | 12.2 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1450 kg | 1615 kg |
| Vehicle Length | 4490 mm | 4640 mm |
| Vehicle Width | 1760 mm | 1800 mm |
| Vehicle Height | 1370 mm | 1470 mm |
| Wheelbase Size | 2730 mm | 2840 mm |
| Fuel Consumption Overall | 11 L/100km | 6 L/100km |
| Fuel Tank Capacity | 63 L | 60 L |
