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 4,134 cc (8 cylinders), 2007 Audi A8 is equipped with a bigger engine. In terms of performance, 2007 Audi A8 (322 HP @ 3750 RPM) has 50 more horse power than 2009 Lexus RX. (272 HP @ 6200 RPM). In normal driving conditions, 2007 Audi A8 should accelerate faster than 2009 Lexus RX. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A8 weights approximately 35 kg more than 2009 Lexus RX. 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, 2007 Audi A8 (650 Nm @ 1600 RPM) has 308 more torque (in Nm) than 2009 Lexus RX. (342 Nm @ 4700 RPM). This means 2007 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2009 Lexus RX.
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 | 4134 cc | 3456 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 322 HP | 272 HP |
| Engine RPM | 3750 RPM | 6200 RPM |
| Torque | 650 Nm | 342 Nm |
| Torque RPM | 1600 RPM | 4700 RPM |
| Engine Compression Ratio | 16.5:1 | 10.8:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 245 km/hour | 180 km/hour |
| Acceleration 0-100mph | 5.9 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 | 1945 kg | 1910 kg |
| Vehicle Length | 5070 mm | 4750 mm |
| Vehicle Width | 1900 mm | 1850 mm |
| Vehicle Height | 1450 mm | 1680 mm |
| Wheelbase Size | 2950 mm | 2720 mm |
| Fuel Consumption Overall | 9.4 L/100km | 11.4 L/100km |
| Fuel Tank Capacity | 90 L | 72 L |
