2006 BMW 645 vs. 1998 Mercedes-Benz A
To start off, 2006 BMW 645 is newer by 8 year(s). Which means there will be less support and parts availability for 1998 Mercedes-Benz A. In addition, the cost of maintenance, including insurance, on 1998 Mercedes-Benz A would be higher. At 4,398 cc (8 cylinders), 2006 BMW 645 is equipped with a bigger engine. In terms of performance, 2006 BMW 645 (328 HP @ 6100 RPM) has 227 more horse power than 1998 Mercedes-Benz A. (101 HP @ 5600 RPM). In normal driving conditions, 2006 BMW 645 should accelerate faster than 1998 Mercedes-Benz A. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 645 weights approximately 716 kg more than 1998 Mercedes-Benz A. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 BMW 645 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 2006 BMW 645. However, in wet, icy, snow, or gravel driving conditions, 1998 Mercedes-Benz A, 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, 2006 BMW 645 (450 Nm @ 3600 RPM) has 300 more torque (in Nm) than 1998 Mercedes-Benz A. (150 Nm @ 4000 RPM). This means 2006 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1998 Mercedes-Benz A.
Compare all specifications:
| 2006 BMW 645 | 1998 Mercedes-Benz A | |
| Make | BMW | Mercedes-Benz |
| Model | 645 | A |
| Year Released | 2006 | 1998 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 1598 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 328 HP | 101 HP |
| Engine RPM | 6100 RPM | 5600 RPM |
| Torque | 450 Nm | 150 Nm |
| Torque RPM | 3600 RPM | 4000 RPM |
| Engine Bore Size | 92 mm | 80 mm |
| Engine Stroke Size | 83 mm | 79.5 mm |
| Engine Compression Ratio | 10.0:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1836 kg | 1120 kg |
| Vehicle Length | 4830 mm | 3580 mm |
| Vehicle Width | 1860 mm | 1730 mm |
| Vehicle Height | 1380 mm | 1590 mm |
| Wheelbase Size | 2790 mm | 2430 mm |
