2007 Mercedes-Benz R vs. 2009 Porsche 911
To start off, 2009 Porsche 911 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Mercedes-Benz R. In addition, the cost of maintenance, including insurance, on 2007 Mercedes-Benz R would be higher. At 6,208 cc (8 cylinders), 2007 Mercedes-Benz R is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz R (503 HP @ 6800 RPM) has 153 more horse power than 2009 Porsche 911. (350 HP @ 6600 RPM). In normal driving conditions, 2007 Mercedes-Benz R should accelerate faster than 2009 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz R weights approximately 841 kg more than 2009 Porsche 911. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear 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, 2007 Mercedes-Benz R (630 Nm @ 5200 RPM) has 230 more torque (in Nm) than 2009 Porsche 911. (400 Nm @ 4600 RPM). This means 2007 Mercedes-Benz R will have an easier job in driving up hills or pulling heavy equipment than 2009 Porsche 911.
Compare all specifications:
| 2007 Mercedes-Benz R | 2009 Porsche 911 | |
| Make | Mercedes-Benz | Porsche |
| Model | R | 911 |
| Year Released | 2007 | 2009 |
| Body Type | Minivan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 6208 cc | 3823 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 503 HP | 350 HP |
| Engine RPM | 6800 RPM | 6600 RPM |
| Torque | 630 Nm | 400 Nm |
| Torque RPM | 5200 RPM | 4600 RPM |
| Engine Bore Size | 102.2 mm | 96 mm |
| Engine Stroke Size | 94.6 mm | 82.8 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 250 km/hour | 280 km/hour |
| Acceleration 0-100mph | 5.1 seconds | 5.4 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 6 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2376 kg | 1535 kg |
| Vehicle Length | 5160 mm | 4430 mm |
| Vehicle Width | 1930 mm | 1310 mm |
| Vehicle Height | 1640 mm | 1860 mm |
| Wheelbase Size | 3220 mm | 2360 mm |
| Fuel Consumption Overall | 16.3 L/100km | 11.9 L/100km |
| Fuel Tank Capacity | 80 L | 67 L |
