2006 Audi RS4 vs. 2003 Lexus GX
To start off, 2006 Audi RS4 is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Lexus GX. In addition, the cost of maintenance, including insurance, on 2003 Lexus GX would be higher. At 4,664 cc (8 cylinders), 2003 Lexus GX is equipped with a bigger engine. In terms of performance, 2006 Audi RS4 (414 HP @ 7800 RPM) has 182 more horse power than 2003 Lexus GX. (232 HP @ 4800 RPM). In normal driving conditions, 2006 Audi RS4 should accelerate faster than 2003 Lexus GX. With that said, vehicle weight also plays an important factor in acceleration. 2003 Lexus GX weights approximately 474 kg more than 2006 Audi RS4.
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, 2003 Lexus GX (434 Nm @ 3400 RPM) has 4 more torque (in Nm) than 2006 Audi RS4. (430 Nm @ 5500 RPM). This means 2003 Lexus GX will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi RS4.
Compare all specifications:
| 2006 Audi RS4 | 2003 Lexus GX | |
| Make | Audi | Lexus |
| Model | RS4 | GX |
| Year Released | 2006 | 2003 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 4664 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 414 HP | 232 HP |
| Engine RPM | 7800 RPM | 4800 RPM |
| Torque | 430 Nm | 434 Nm |
| Torque RPM | 5500 RPM | 3400 RPM |
| Engine Bore Size | 84.5 mm | 94 mm |
| Engine Stroke Size | 92.8 mm | 84 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | 4WD |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1650 kg | 2124 kg |
| Vehicle Length | 4590 mm | 4790 mm |
| Vehicle Width | 1820 mm | 1890 mm |
| Vehicle Height | 1420 mm | 1900 mm |
| Wheelbase Size | 2660 mm | 2800 mm |
