2007 Audi A8 vs. 2009 Lexus RX
To start off, 2009 Lexus RX is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi A8. In addition, the cost of maintenance, including insurance, on 2007 Audi A8 would be higher. At 3,439 cc (6 cylinders), 2009 Lexus RX is equipped with a bigger engine. In terms of performance, 2009 Lexus RX (270 HP) has 14 more horse power than 2007 Audi A8. (256 HP) In normal driving conditions, 2009 Lexus RX should accelerate faster than 2007 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2009 Lexus RX weights approximately 300 kg more than 2007 Audi A8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2009 Lexus RX (340 Nm @ 4700 RPM) has 10 more torque (in Nm) than 2007 Audi A8. (330 Nm @ 3250 RPM). This means 2009 Lexus RX will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A8.
Compare all specifications:
| 2007 Audi A8 | 2009 Lexus RX | |
| Make | Audi | Lexus |
| Model | A8 | RX |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 3122 cc | 3439 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 256 HP | 270 HP |
| Torque | 330 Nm | 340 Nm |
| Torque RPM | 3250 RPM | 4700 RPM |
| Engine Bore Size | 84.5 mm | 87.5 mm |
| Engine Stroke Size | 92.8 mm | 96 mm |
| Engine Compression Ratio | 13.0:1 | 10.8:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Acceleration 0-100mph | 7.7 seconds | 7.8 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1610 kg | 1910 kg |
| Vehicle Length | 5060 mm | 4740 mm |
| Vehicle Width | 1900 mm | 1850 mm |
| Vehicle Height | 1450 mm | 1690 mm |
| Wheelbase Size | 2950 mm | 2720 mm |
| Fuel Consumption Overall | 11 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 90 L | 73 L |
