2003 Alpina B3 vs. 2007 Subaru Forester
To start off, 2007 Subaru Forester is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Alpina B3. In addition, the cost of maintenance, including insurance, on 2003 Alpina B3 would be higher. At 3,346 cc (6 cylinders), 2003 Alpina B3 is equipped with a bigger engine. In terms of performance, 2003 Alpina B3 (301 HP @ 6300 RPM) has 138 more horse power than 2007 Subaru Forester. (163 HP @ 5600 RPM). In normal driving conditions, 2003 Alpina B3 should accelerate faster than 2007 Subaru Forester. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alpina B3 weights approximately 614 kg more than 2007 Subaru Forester. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Subaru Forester is four wheel drive (4WD), it will have significant more traction and grip than 2003 Alpina B3. In wet, icy, snow, or gravel driving conditions, 2007 Subaru Forester 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, 2003 Alpina B3 (362 Nm @ 4800 RPM) has 137 more torque (in Nm) than 2007 Subaru Forester. (225 Nm @ 4400 RPM). This means 2003 Alpina B3 will have an easier job in driving up hills or pulling heavy equipment than 2007 Subaru Forester.
Compare all specifications:
| 2003 Alpina B3 | 2007 Subaru Forester | |
| Make | Alpina | Subaru |
| Model | B3 | Forester |
| Year Released | 2003 | 2007 |
| Body Type | Station Wagon | SUV |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 2457 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 301 HP | 163 HP |
| Engine RPM | 6300 RPM | 5600 RPM |
| Torque | 362 Nm | 225 Nm |
| Torque RPM | 4800 RPM | 4400 RPM |
| Engine Bore Size | 87.1 mm | 99.5 mm |
| Engine Stroke Size | 93.9 mm | 79 mm |
| Engine Compression Ratio | 10.0:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Acceleration 0-100mph | 5.8 seconds | 9.8 seconds |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 2000 kg | 1386 kg |
| Vehicle Height | 1420 mm | 1740 mm |
| Wheelbase Size | 3000 mm | 2530 mm |
| Fuel Consumption Overall | 11.1 L/100km | 8.7 L/100km |
| Fuel Tank Capacity | 63 L | 60 L |
