2009 Alpina B5 vs. 1981 Bitter SC
To start off, 2009 Alpina B5 is newer by 28 year(s). Which means there will be less support and parts availability for 1981 Bitter SC. In addition, the cost of maintenance, including insurance, on 1981 Bitter SC would be higher. At 4,397 cc (8 cylinders), 2009 Alpina B5 is equipped with a bigger engine. In terms of performance, 2009 Alpina B5 (493 HP @ 5500 RPM) has 313 more horse power than 1981 Bitter SC. (180 HP @ 5800 RPM). In normal driving conditions, 2009 Alpina B5 should accelerate faster than 1981 Bitter SC. With that said, vehicle weight also plays an important factor in acceleration. 2009 Alpina B5 weights approximately 460 kg more than 1981 Bitter SC. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 B5 (700 Nm @ 4250 RPM) has 452 more torque (in Nm) than 1981 Bitter SC. (248 Nm @ 4200 RPM). This means 2009 Alpina B5 will have an easier job in driving up hills or pulling heavy equipment than 1981 Bitter SC.
Compare all specifications:
| 2009 Alpina B5 | 1981 Bitter SC | |
| Make | Alpina | Bitter |
| Model | B5 | SC |
| Year Released | 2009 | 1981 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4397 cc | 2969 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 493 HP | 180 HP |
| Engine RPM | 5500 RPM | 5800 RPM |
| Torque | 700 Nm | 248 Nm |
| Torque RPM | 4250 RPM | 4200 RPM |
| Engine Bore Size | 92 mm | 95.1 mm |
| Engine Stroke Size | 82.7 mm | 69.8 mm |
| Engine Compression Ratio | 9.0:1 | 9.4:1 |
| Acceleration 0-100mph | 4.8 seconds | 10.1 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1810 kg | 1350 kg |
| Vehicle Length | 4850 mm | 4920 mm |
| Vehicle Width | 1850 mm | 1830 mm |
| Vehicle Height | 1500 mm | 1360 mm |
| Wheelbase Size | 2890 mm | 2690 mm |
| Fuel Tank Capacity | 70 L | 75 L |
