1990 BMW 730 vs. 2005 Mercedes-Benz B
To start off, 2005 Mercedes-Benz B is newer by 15 year(s). Which means there will be less support and parts availability for 1990 BMW 730. In addition, the cost of maintenance, including insurance, on 1990 BMW 730 would be higher. At 2,986 cc (6 cylinders), 1990 BMW 730 is equipped with a bigger engine. In terms of performance, 1990 BMW 730 (181 HP @ 5800 RPM) has 66 more horse power than 2005 Mercedes-Benz B. (115 HP @ 5500 RPM). In normal driving conditions, 1990 BMW 730 should accelerate faster than 2005 Mercedes-Benz B. With that said, vehicle weight also plays an important factor in acceleration. 1990 BMW 730 weights approximately 290 kg more than 2005 Mercedes-Benz B. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1990 BMW 730 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 1990 BMW 730. However, in wet, icy, snow, or gravel driving conditions, 2005 Mercedes-Benz B, 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, 1990 BMW 730 (260 Nm @ 4000 RPM) has 105 more torque (in Nm) than 2005 Mercedes-Benz B. (155 Nm @ 3500 RPM). This means 1990 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 2005 Mercedes-Benz B.
Compare all specifications:
| 1990 BMW 730 | 2005 Mercedes-Benz B | |
| Make | BMW | Mercedes-Benz |
| Model | 730 | B |
| Year Released | 1990 | 2005 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2986 cc | 1699 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 181 HP | 115 HP |
| Engine RPM | 5800 RPM | 5500 RPM |
| Torque | 260 Nm | 155 Nm |
| Torque RPM | 4000 RPM | 3500 RPM |
| Engine Bore Size | 89 mm | 83 mm |
| Engine Stroke Size | 80 mm | 78.5 mm |
| Engine Compression Ratio | 9.0:1 | 11.0:1 |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1600 kg | 1310 kg |
| Vehicle Length | 4920 mm | 4280 mm |
| Vehicle Width | 1850 mm | 1780 mm |
| Vehicle Height | 1420 mm | 1610 mm |
| Wheelbase Size | 2840 mm | 2970 mm |
| Fuel Tank Capacity | 90 L | 54 L |
