1981 Bitter SC vs. 2009 BMW 525
To start off, 2009 BMW 525 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 2,969 cc (6 cylinders), 1981 Bitter SC is equipped with a bigger engine. In terms of performance, 1981 Bitter SC (180 HP @ 5800 RPM) has 5 more horse power than 2009 BMW 525. (175 HP @ 4000 RPM). In normal driving conditions, 1981 Bitter SC should accelerate faster than 2009 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 525 weights approximately 310 kg more than 1981 Bitter SC.
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 BMW 525 (400 Nm @ 2000 RPM) has 152 more torque (in Nm) than 1981 Bitter SC. (248 Nm @ 4200 RPM). This means 2009 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 1981 Bitter SC.
Compare all specifications:
| 1981 Bitter SC | 2009 BMW 525 | |
| Make | Bitter | BMW |
| Model | SC | 525 |
| Year Released | 1981 | 2009 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2969 cc | 2497 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 180 HP | 175 HP |
| Engine RPM | 5800 RPM | 4000 RPM |
| Torque | 248 Nm | 400 Nm |
| Torque RPM | 4200 RPM | 2000 RPM |
| Engine Bore Size | 95.1 mm | 84 mm |
| Engine Stroke Size | 69.8 mm | 75.1 mm |
| Engine Compression Ratio | 9.4:1 | 17.0:1 |
| Acceleration 0-100mph | 10.1 seconds | 8.4 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1350 kg | 1660 kg |
| Vehicle Length | 4920 mm | 4850 mm |
| Vehicle Width | 1830 mm | 1850 mm |
| Vehicle Height | 1360 mm | 1470 mm |
| Wheelbase Size | 2690 mm | 2890 mm |
| Fuel Tank Capacity | 75 L | 70 L |
