2008 Audi A8 vs. 2006 Lexus RX
To start off, 2008 Audi A8 is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Lexus RX. In addition, the cost of maintenance, including insurance, on 2006 Lexus RX would be higher. At 3,936 cc (8 cylinders), 2008 Audi A8 is equipped with a bigger engine. In terms of performance, 2008 Audi A8 (271 HP @ 3750 RPM) has 45 more horse power than 2006 Lexus RX. (226 HP @ 5600 RPM). In normal driving conditions, 2008 Audi A8 should accelerate faster than 2006 Lexus RX. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A8 weights approximately 404 kg more than 2006 Lexus RX. 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 2006 Lexus RX. 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 (650 Nm @ 1800 RPM) has 327 more torque (in Nm) than 2006 Lexus RX. (323 Nm @ 3600 RPM). This means 2008 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2006 Lexus RX.
Compare all specifications:
| 2008 Audi A8 | 2006 Lexus RX | |
| Make | Audi | Lexus |
| Model | A8 | RX |
| Year Released | 2008 | 2006 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 3936 cc | 3314 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 271 HP | 226 HP |
| Engine RPM | 3750 RPM | 5600 RPM |
| Torque | 650 Nm | 323 Nm |
| Torque RPM | 1800 RPM | 3600 RPM |
| Engine Bore Size | 81 mm | 91.9 mm |
| Engine Stroke Size | 95.5 mm | 83.1 mm |
| Engine Compression Ratio | 18.0:1 | 10.8:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 250 km/hour | 180 km/hour |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1944 kg | 1540 kg |
| Vehicle Length | 5190 mm | 4740 mm |
| Vehicle Width | 1900 mm | 1850 mm |
| Vehicle Height | 1460 mm | 1690 mm |
| Wheelbase Size | 3080 mm | 2720 mm |
| Fuel Consumption Overall | 9.6 L/100km | 10.7 L/100km |
| Fuel Tank Capacity | 90 L | 66 L |
