2009 Alpina B3 vs. 2007 Opel Astra
To start off, 2009 Alpina B3 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Opel Astra. In addition, the cost of maintenance, including insurance, on 2007 Opel Astra would be higher. At 3,301 cc (6 cylinders), 2009 Alpina B3 is equipped with a bigger engine. In terms of performance, 2009 Alpina B3 (276 HP @ 6200 RPM) has 138 more horse power than 2007 Opel Astra. (138 HP @ 5600 RPM). In normal driving conditions, 2009 Alpina B3 should accelerate faster than 2007 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2009 Alpina B3 weights approximately 247 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 2009 Alpina B3 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2009 Alpina B3 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, 2009 Alpina B3 (335 Nm @ 4500 RPM) has 160 more torque (in Nm) than 2007 Opel Astra. (175 Nm @ 3800 RPM). This means 2009 Alpina B3 will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Astra.
Compare all specifications:
| 2009 Alpina B3 | 2007 Opel Astra | |
| Make | Alpina | Opel |
| Model | B3 | Astra |
| Year Released | 2009 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 3301 cc | 1796 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 276 HP | 138 HP |
| Engine RPM | 6200 RPM | 5600 RPM |
| Torque | 335 Nm | 175 Nm |
| Torque RPM | 4500 RPM | 3800 RPM |
| Engine Bore Size | 86.4 mm | 80.5 mm |
| Engine Stroke Size | 93.9 mm | 88.2 mm |
| Engine Compression Ratio | 10.0:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 251 km/hour | 210 km/hour |
| Acceleration 0-100mph | 7.5 seconds | 10.4 seconds |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1525 kg | 1278 kg |
| Vehicle Length | 4480 mm | 4300 mm |
| Vehicle Width | 1750 mm | 1760 mm |
| Vehicle Height | 1420 mm | 1440 mm |
| Wheelbase Size | 2730 mm | 2620 mm |
| Fuel Consumption Overall | 11.7 L/100km | 7.3 L/100km |
| Fuel Tank Capacity | 63 L | 52 L |
