2009 Acura RDX vs. 2009 Audi A8
To start off, both 2009 Acura RDX and 2009 Audi A8 were released in the same year (2009). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 3,123 cc (6 cylinders), 2009 Audi A8 is equipped with a bigger engine. In terms of performance, 2009 Audi A8 (256 HP) has 19 more horse power than 2009 Acura RDX. (237 HP) In normal driving conditions, 2009 Audi A8 should accelerate faster than 2009 Acura RDX. With that said, vehicle weight also plays an important factor in acceleration. 2009 Acura RDX weights approximately 889 kg more than 2009 Audi A8.
Because 2009 Acura RDX is four wheel drive (4WD), it will have significant more traction and grip than 2009 Audi A8. In wet, icy, snow, or gravel driving conditions, 2009 Acura RDX 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 A8 (330 Nm @ 3250 RPM) has 70 more torque (in Nm) than 2009 Acura RDX. (260 Nm @ 4500 RPM). This means 2009 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2009 Acura RDX.
Compare all specifications:
| 2009 Acura RDX | 2009 Audi A8 | |
| Make | Acura | Audi |
| Model | RDX | A8 |
| Year Released | 2009 | 2009 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2297 cc | 3123 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 237 HP | 256 HP |
| Torque | 260 Nm | 330 Nm |
| Torque RPM | 4500 RPM | 3250 RPM |
| Engine Compression Ratio | 8.8:1 | 13.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1784 kg | 895 kg |
| Vehicle Length | 4600 mm | 5060 mm |
| Vehicle Width | 1880 mm | 1900 mm |
| Vehicle Height | 1660 mm | 1450 mm |
| Wheelbase Size | 2660 mm | 2950 mm |
| Fuel Consumption Overall | 12.4 L/100km | 9.8 L/100km |
| Fuel Tank Capacity | 68 L | 90 L |
