2007 Audi A8 vs. 2005 Lexus RX
To start off, 2007 Audi A8 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Lexus RX. In addition, the cost of maintenance, including insurance, on 2005 Lexus RX would be higher. At 4,163 cc (8 cylinders), 2007 Audi A8 is equipped with a bigger engine. In terms of performance, 2007 Audi A8 (350 HP @ 6800 RPM) has 82 more horse power than 2005 Lexus RX. (268 HP @ 5600 RPM). In normal driving conditions, 2007 Audi A8 should accelerate faster than 2005 Lexus RX.
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 Lexus RX (840 Nm @ 4400 RPM) has 399 more torque (in Nm) than 2007 Audi A8. (441 Nm @ 3500 RPM). This means 2005 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 | 2005 Lexus RX | |
| Make | Audi | Lexus |
| Model | A8 | RX |
| Year Released | 2007 | 2005 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 3310 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 350 HP | 268 HP |
| Engine RPM | 6800 RPM | 5600 RPM |
| Torque | 441 Nm | 840 Nm |
| Torque RPM | 3500 RPM | 4400 RPM |
| Engine Bore Size | 85 mm | 92 mm |
| Engine Stroke Size | 93 mm | 83 mm |
| Fuel Type | Diesel | Gasoline - Premium |
| Drive Type | 4WD | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 5200 mm | 4770 mm |
| Vehicle Width | 1900 mm | 1850 mm |
| Vehicle Height | 1460 mm | 1690 mm |
| Wheelbase Size | 3080 mm | 2730 mm |
| Fuel Consumption Overall | 11.8 L/100km | 8.1 L/100km |
