2009 BMW 125 vs. 2013 Mercedes-Benz M
To start off, 2013 Mercedes-Benz M is newer by 4 year(s). Which means there will be less support and parts availability for 2009 BMW 125. In addition, the cost of maintenance, including insurance, on 2009 BMW 125 would be higher. At 5,500 cc (8 cylinders), 2013 Mercedes-Benz M is equipped with a bigger engine. In terms of performance, 2013 Mercedes-Benz M (511 HP @ 5250 RPM) has 296 more horse power than 2009 BMW 125. (215 HP @ 6500 RPM) In normal driving conditions, 2013 Mercedes-Benz M should accelerate faster than 2009 BMW 125. With that said, vehicle weight also plays an important factor in acceleration. 2013 Mercedes-Benz M weights approximately 1019 kg more than 2009 BMW 125. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2013 Mercedes-Benz M is four wheel drive (4WD), it will have significant more traction and grip than 2009 BMW 125. In wet, icy, snow, or gravel driving conditions, 2013 Mercedes-Benz M will offer significantly more control. 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, 2013 Mercedes-Benz M (700 Nm @ 5000 RPM) has 450 more torque (in Nm) than 2009 BMW 125. (250 Nm @ 2750 RPM). This means 2013 Mercedes-Benz M will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 125.
Compare all specifications:
| 2009 BMW 125 | 2013 Mercedes-Benz M | |
| Make | BMW | Mercedes-Benz |
| Model | 125 | M |
| Year Released | 2009 | 2013 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 5500 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | electric |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 511 HP |
| Engine RPM | 6500 RPM | 5250 RPM |
| Torque | 250 Nm | 700 Nm |
| Torque RPM | 2750 RPM | 5000 RPM |
| Engine Compression Ratio | 10.2:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 245 km/hour | 250 km/hour |
| Acceleration 0-100mph | 6.4 seconds | 4.8 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | 6-speed manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1326 kg | 2345 kg |
| Vehicle Length | 4370 mm | 4817 mm |
| Vehicle Width | 1430 mm | 2141 mm |
| Vehicle Height | 1760 mm | 1796 mm |
| Wheelbase Size | 2670 mm | 2915 mm |
