2007 Mazda 6 vs. 2005 Mercedes-Benz R
To start off, 2007 Mazda 6 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Mercedes-Benz R. In addition, the cost of maintenance, including insurance, on 2005 Mercedes-Benz R would be higher. At 4,966 cc (8 cylinders), 2005 Mercedes-Benz R is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz R (302 HP @ 4200 RPM) has 90 more horse power than 2007 Mazda 6. (212 HP @ 6000 RPM) In normal driving conditions, 2005 Mercedes-Benz R should accelerate faster than 2007 Mazda 6. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz R weights approximately 1424 kg more than 2007 Mazda 6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Mercedes-Benz R is four wheel drive (4WD), it will have significant more traction and grip than 2007 Mazda 6. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Mercedes-Benz R (461 Nm @ 2700 RPM) has 194 more torque (in Nm) than 2007 Mazda 6. (267 Nm @ 5000 RPM). This means 2005 Mercedes-Benz R will have an easier job in driving up hills or pulling heavy equipment than 2007 Mazda 6.
Compare all specifications:
| 2007 Mazda 6 | 2005 Mercedes-Benz R | |
| Make | Mazda | Mercedes-Benz |
| Model | 6 | R |
| Year Released | 2007 | 2005 |
| Body Type | Sedan | Minivan |
| Engine Position | Front | Front |
| Engine Size | 2968 cc | 4966 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 212 HP | 302 HP |
| Engine RPM | 6000 RPM | 4200 RPM |
| Torque | 267 Nm | 461 Nm |
| Torque RPM | 5000 RPM | 2700 RPM |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 816 kg | 2240 kg |
| Vehicle Length | 4780 mm | 5160 mm |
| Vehicle Width | 1790 mm | 1930 mm |
| Vehicle Height | 1460 mm | 1660 mm |
| Wheelbase Size | 2680 mm | 2860 mm |
| Fuel Tank Capacity | 68 L | 80 L |
