2003 Mazda 6 vs. 2011 Mercedes-Benz R
To start off, 2011 Mercedes-Benz R is newer by 8 year(s). Which means there will be less support and parts availability for 2003 Mazda 6. In addition, the cost of maintenance, including insurance, on 2003 Mazda 6 would be higher. At 3,500 cc (6 cylinders), 2011 Mercedes-Benz R is equipped with a bigger engine. In terms of performance, 2011 Mercedes-Benz R (268 HP @ 6000 RPM) has 109 more horse power than 2003 Mazda 6. (159 HP @ 6500 RPM) In normal driving conditions, 2011 Mercedes-Benz R should accelerate faster than 2003 Mazda 6. With that said, vehicle weight also plays an important factor in acceleration. 2011 Mercedes-Benz R weights approximately 640 kg more than 2003 Mazda 6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2011 Mercedes-Benz R (349 Nm @ 2400 RPM) has 144 more torque (in Nm) than 2003 Mazda 6. (205 Nm @ 4000 RPM). This means 2011 Mercedes-Benz R will have an easier job in driving up hills or pulling heavy equipment than 2003 Mazda 6.
Compare all specifications:
| 2003 Mazda 6 | 2011 Mercedes-Benz R | |
| Make | Mazda | Mercedes-Benz |
| Model | 6 | R |
| Year Released | 2003 | 2011 |
| Body Type | Station Wagon | Minivan |
| Engine Position | Front | Front |
| Engine Size | 2261 cc | 3500 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 159 HP | 268 HP |
| Engine RPM | 6500 RPM | 6000 RPM |
| Torque | 205 Nm | 349 Nm |
| Torque RPM | 4000 RPM | 2400 RPM |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1605 kg | 2245 kg |
| Vehicle Length | 4710 mm | 5156 mm |
| Vehicle Width | 1790 mm | 1958 mm |
| Vehicle Height | 1500 mm | 1661 mm |
| Wheelbase Size | 2620 mm | 3216 mm |
| Fuel Consumption | 8.2 L/100km | 12.4 L/100km |
| Fuel Consumption City | 15.2 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 62 L | 80 L |
