2009 Acura RL vs. 2005 Audi A8
To start off, 2009 Acura RL is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Audi A8. In addition, the cost of maintenance, including insurance, on 2005 Audi A8 would be higher. At 5,998 cc, 2005 Audi A8 is equipped with a bigger engine. In terms of performance, 2005 Audi A8 (444 HP @ 6500 RPM) has 148 more horse power than 2009 Acura RL. (296 HP @ 6300 RPM) In normal driving conditions, 2005 Audi A8 should accelerate faster than 2009 Acura RL. With that said, vehicle weight also plays an important factor in acceleration. 2009 Acura RL weights approximately 952 kg more than 2005 Audi A8.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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 A8 (560 Nm @ 4000 RPM) has 289 more torque (in Nm) than 2009 Acura RL. (271 Nm @ 5000 RPM). This means 2005 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2009 Acura RL.
Compare all specifications:
| 2009 Acura RL | 2005 Audi A8 | |
| Make | Acura | Audi |
| Model | RL | A8 |
| Year Released | 2009 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3664 cc | 5998 cc |
| Engine Type | V | W |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 296 HP | 444 HP |
| Engine RPM | 6300 RPM | 6500 RPM |
| Torque | 271 Nm | 560 Nm |
| Torque RPM | 5000 RPM | 4000 RPM |
| Engine Compression Ratio | 11.2:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1852 kg | 900 kg |
| Vehicle Length | 4980 mm | 5190 mm |
| Vehicle Height | 1460 mm | 1460 mm |
| Wheelbase Size | 2810 mm | 3080 mm |
| Fuel Consumption Overall | 12.5 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 73 L | 90 L |
