2005 Acura RL vs. 2008 Audi A8
To start off, 2008 Audi A8 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Acura RL. In addition, the cost of maintenance, including insurance, on 2005 Acura RL would be higher. At 4,172 cc (8 cylinders), 2008 Audi A8 is equipped with a bigger engine. In terms of performance, 2008 Audi A8 (330 HP @ 6500 RPM) has 30 more horse power than 2005 Acura RL. (300 HP @ 5600 RPM) In normal driving conditions, 2008 Audi A8 should accelerate faster than 2005 Acura RL. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A8 weights approximately 150 kg more than 2005 Acura RL. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Acura RL. In wet, icy, snow, or gravel driving conditions, 2008 Audi A8 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, 2008 Audi A8 (431 Nm) has 78 more torque (in Nm) than 2005 Acura RL. (353 Nm). This means 2008 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2005 Acura RL.
Compare all specifications:
| 2005 Acura RL | 2008 Audi A8 | |
| Make | Acura | Audi |
| Model | RL | A8 |
| Year Released | 2005 | 2008 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3474 cc | 4172 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 300 HP | 330 HP |
| Engine RPM | 5600 RPM | 6500 RPM |
| Torque | 353 Nm | 431 Nm |
| Engine Bore Size | 89 mm | 84.5 mm |
| Engine Stroke Size | 93 mm | 93 mm |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1760 kg | 1910 kg |
| Vehicle Length | 4920 mm | 5190 mm |
| Vehicle Width | 1850 mm | 1900 mm |
| Vehicle Height | 1460 mm | 1460 mm |
| Wheelbase Size | 2810 mm | 3080 mm |
| Fuel Consumption Overall | 11.2 L/100km | 11.9 L/100km |
| Fuel Tank Capacity | 73 L | 90 L |
