2007 BMW 645 vs. 2012 Mercedes-Benz A
To start off, 2012 Mercedes-Benz A is newer by 5 year(s). Which means there will be less support and parts availability for 2007 BMW 645. In addition, the cost of maintenance, including insurance, on 2007 BMW 645 would be higher. At 4,398 cc (8 cylinders), 2007 BMW 645 is equipped with a bigger engine. In terms of performance, 2007 BMW 645 (328 HP @ 6100 RPM) has 220 more horse power than 2012 Mercedes-Benz A. (108 HP @ 4200 RPM). In normal driving conditions, 2007 BMW 645 should accelerate faster than 2012 Mercedes-Benz A. With that said, vehicle weight also plays an important factor in acceleration. 2012 Mercedes-Benz A weights approximately 1140 kg more than 2007 BMW 645.
Because 2007 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 2007 BMW 645. However, in wet, icy, snow, or gravel driving conditions, 2012 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, 2007 BMW 645 (450 Nm @ 3600 RPM) has 200 more torque (in Nm) than 2012 Mercedes-Benz A. (250 Nm @ 1600 RPM). This means 2007 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2012 Mercedes-Benz A.
Compare all specifications:
| 2007 BMW 645 | 2012 Mercedes-Benz A | |
| Make | BMW | Mercedes-Benz |
| Model | 645 | A |
| Year Released | 2007 | 2012 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 1991 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 328 HP | 108 HP |
| Engine RPM | 6100 RPM | 4200 RPM |
| Torque | 450 Nm | 250 Nm |
| Torque RPM | 3600 RPM | 1600 RPM |
| Engine Compression Ratio | 10.0:1 | 18.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 245 km/hour | 181 km/hour |
| Acceleration 0-100mph | 5.6 seconds | 10.8 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1690 kg | 2830 kg |
| Vehicle Length | 4830 mm | 3840 mm |
| Vehicle Width | 1860 mm | 1770 mm |
| Vehicle Height | 1380 mm | 1600 mm |
| Wheelbase Size | 2790 mm | 2570 mm |
| Fuel Consumption Overall | 11.8 L/100km | 5.2 L/100km |
| Fuel Tank Capacity | 70 L | 60 L |
