2009 Audi R8 vs. 2011 Acura RDX
To start off, 2011 Acura RDX is newer by 2 year(s). Which means there will be less support and parts availability for 2009 Audi R8. In addition, the cost of maintenance, including insurance, on 2009 Audi R8 would be higher. At 4,163 cc (8 cylinders), 2009 Audi R8 is equipped with a bigger engine. In terms of performance, 2009 Audi R8 (420 HP @ 7800 RPM) has 180 more horse power than 2011 Acura RDX. (240 HP @ 6000 RPM). In normal driving conditions, 2009 Audi R8 should accelerate faster than 2011 Acura RDX. With that said, vehicle weight also plays an important factor in acceleration. 2011 Acura RDX weights approximately 803 kg more than 2009 Audi R8.
Because 2009 Audi R8 is all wheel drive (AWD), it will have significant more traction and grip than 2011 Acura RDX. In wet, icy, snow, or gravel driving conditions, 2009 Audi R8 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, 2009 Audi R8 (430 Nm @ 4500 RPM) has 78 more torque (in Nm) than 2011 Acura RDX. (352 Nm @ 4500 RPM). This means 2009 Audi R8 will have an easier job in driving up hills or pulling heavy equipment than 2011 Acura RDX. 2011 Acura RDX has automatic transmission and 2009 Audi R8 has manual transmission. 2009 Audi R8 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2011 Acura RDX will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi R8 | 2011 Acura RDX | |
| Make | Audi | Acura |
| Model | R8 | RDX |
| Year Released | 2009 | 2011 |
| Body Type | Coupe | SUV |
| Engine Position | Middle | Front |
| Engine Size | 4163 cc | 2300 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 420 HP | 240 HP |
| Engine RPM | 7800 RPM | 6000 RPM |
| Torque | 430 Nm | 352 Nm |
| Torque RPM | 4500 RPM | 4500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | AWD | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 895 kg | 1698 kg |
| Vehicle Length | 4440 mm | 4636 mm |
| Vehicle Width | 1910 mm | 1869 mm |
| Vehicle Height | 1260 mm | 1654 mm |
| Wheelbase Size | 2660 mm | 2649 mm |
| Fuel Consumption Highway | 12.4 L/100km | 9.8 L/100km |
| Fuel Consumption City | 19.6 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 90 L | 68 L |
