2003 Alpina B7 vs. 2007 Opel Astra
To start off, 2007 Opel Astra is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Alpina B7. In addition, the cost of maintenance, including insurance, on 2003 Alpina B7 would be higher. 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 344 more horse power than 2007 Opel Astra. (148 HP @ 4000 RPM). In normal driving conditions, 2003 Alpina B7 should accelerate faster than 2007 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alpina B7 weights approximately 592 kg more than 2007 Opel Astra. 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, 2007 Opel Astra, 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 380 more torque (in Nm) than 2007 Opel Astra. (320 Nm @ 2000 RPM). This means 2003 Alpina B7 will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Astra. 2003 Alpina B7 has automatic transmission and 2007 Opel Astra has manual transmission. 2007 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Alpina B7 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Alpina B7 | 2007 Opel Astra | |
| Make | Alpina | Opel |
| Model | B7 | Astra |
| Year Released | 2003 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 4399 cc | 1910 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 492 HP | 148 HP |
| Engine RPM | 5500 RPM | 4000 RPM |
| Torque | 700 Nm | 320 Nm |
| Torque RPM | 4250 RPM | 2000 RPM |
| Engine Compression Ratio | 9.0:1 | 17.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 295 km/hour | 210 km/hour |
| Acceleration 0-100mph | 5.5 seconds | 8.9 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1990 kg | 1398 kg |
| Vehicle Length | 5180 mm | 4300 mm |
| Vehicle Width | 1910 mm | 1760 mm |
| Vehicle Height | 1450 mm | 1440 mm |
| Wheelbase Size | 3000 mm | 2620 mm |
| Fuel Tank Capacity | 88 L | 52 L |
