2005 Audi RS6 vs. 2011 Acura RDX
To start off, 2011 Acura RDX is newer by 6 year(s). Which means there will be less support and parts availability for 2005 Audi RS6. In addition, the cost of maintenance, including insurance, on 2005 Audi RS6 would be higher. At 4,172 cc (8 cylinders), 2005 Audi RS6 is equipped with a bigger engine. In terms of performance, 2005 Audi RS6 (444 HP @ 5700 RPM) has 204 more horse power than 2011 Acura RDX. (240 HP @ 6000 RPM). In normal driving conditions, 2005 Audi RS6 should accelerate faster than 2011 Acura RDX. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi RS6 weights approximately 32 kg more than 2011 Acura RDX. 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, 2005 Audi RS6 (560 Nm @ 1950 RPM) has 208 more torque (in Nm) than 2011 Acura RDX. (352 Nm @ 4500 RPM). This means 2005 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 2011 Acura RDX.
Compare all specifications:
| 2005 Audi RS6 | 2011 Acura RDX | |
| Make | Audi | Acura |
| Model | RS6 | RDX |
| Year Released | 2005 | 2011 |
| Body Type | Station Wagon | SUV |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 2300 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 444 HP | 240 HP |
| Engine RPM | 5700 RPM | 6000 RPM |
| Torque | 560 Nm | 352 Nm |
| Torque RPM | 1950 RPM | 4500 RPM |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1815 kg | 1783 kg |
| Vehicle Length | 4860 mm | 4636 mm |
| Vehicle Width | 1860 mm | 1869 mm |
| Vehicle Height | 1460 mm | 1654 mm |
| Wheelbase Size | 2850 mm | 2649 mm |
| Fuel Consumption | 10.4 L/100km | 10.7 L/100km |
| Fuel Tank Capacity | 82 L | 68 L |
