2009 Audi A4 vs. 2012 Mercedes-Benz R
To start off, 2012 Mercedes-Benz R is newer by 3 year(s). Which means there will be less support and parts availability for 2009 Audi A4. In addition, the cost of maintenance, including insurance, on 2009 Audi A4 would be higher. At 2,987 cc (6 cylinders), 2012 Mercedes-Benz R is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (211 HP @ 4300 RPM) has 1 more horse power than 2012 Mercedes-Benz R. (210 HP @ 3400 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 2012 Mercedes-Benz R.
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, 2012 Mercedes-Benz R (542 Nm @ 1600 RPM) has 192 more torque (in Nm) than 2009 Audi A4. (350 Nm @ 1500 RPM). This means 2012 Mercedes-Benz R will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4.
Compare all specifications:
| 2009 Audi A4 | 2012 Mercedes-Benz R | |
| Make | Audi | Mercedes-Benz |
| Model | A4 | R |
| Year Released | 2009 | 2012 |
| Body Type | Station Wagon | Minivan |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 2987 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 211 HP | 210 HP |
| Engine RPM | 4300 RPM | 3400 RPM |
| Torque | 350 Nm | 542 Nm |
| Torque RPM | 1500 RPM | 1600 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | 7-speed shiftable automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Length | 4710 mm | 5156 mm |
| Vehicle Width | 1840 mm | 1958 mm |
| Vehicle Height | 1440 mm | 1661 mm |
| Wheelbase Size | 2820 mm | 3216 mm |
| Fuel Consumption | 8.7 L/100km | 9.8 L/100km |
| Fuel Consumption City | 11.2 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 70 L | 80 L |
