2009 Chevrolet Impala vs. 2007 Mercedes-Benz R
To start off, 2009 Chevrolet Impala 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 3,500 cc (6 cylinders), 2009 Chevrolet Impala is equipped with a bigger engine. In terms of performance, 2009 Chevrolet Impala (211 HP @ 5800 RPM) has 24 more horse power than 2007 Mercedes-Benz R. (187 HP @ 4000 RPM). In normal driving conditions, 2009 Chevrolet Impala should accelerate faster than 2007 Mercedes-Benz R. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz R weights approximately 677 kg more than 2009 Chevrolet Impala.
Because 2007 Mercedes-Benz R is four wheel drive (4WD), it will have significant more traction and grip than 2009 Chevrolet Impala. In wet, icy, snow, or gravel driving conditions, 2007 Mercedes-Benz R 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, 2007 Mercedes-Benz R (440 Nm @ 1400 RPM) has 150 more torque (in Nm) than 2009 Chevrolet Impala. (290 Nm @ 4000 RPM). This means 2007 Mercedes-Benz R will have an easier job in driving up hills or pulling heavy equipment than 2009 Chevrolet Impala.
Compare all specifications:
| 2009 Chevrolet Impala | 2007 Mercedes-Benz R | |
| Make | Chevrolet | Mercedes-Benz |
| Model | Impala | R |
| Year Released | 2009 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 3500 cc | 2987 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 211 HP | 187 HP |
| Engine RPM | 5800 RPM | 4000 RPM |
| Torque | 290 Nm | 440 Nm |
| Torque RPM | 4000 RPM | 1400 RPM |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1549 kg | 2226 kg |
| Vehicle Length | 5100 mm | 4930 mm |
| Vehicle Width | 1860 mm | 1930 mm |
| Vehicle Height | 1500 mm | 1660 mm |
| Wheelbase Size | 2810 mm | 2990 mm |
| Fuel Consumption Overall | 10.2 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 64 L | 80 L |
