2003 Audi A4 vs. 2006 Lexus RX
To start off, 2006 Lexus RX is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Audi A4. In addition, the cost of maintenance, including insurance, on 2003 Audi A4 would be higher. At 4,163 cc (8 cylinders), 2003 Audi A4 is equipped with a bigger engine. In terms of performance, 2003 Audi A4 (341 HP @ 7000 RPM) has 118 more horse power than 2006 Lexus RX. (223 HP @ 5600 RPM). In normal driving conditions, 2003 Audi A4 should accelerate faster than 2006 Lexus RX. With that said, vehicle weight also plays an important factor in acceleration. 2003 Audi A4 weights approximately 120 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 2003 Audi A4 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, 2003 Audi A4 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, 2003 Audi A4 (410 Nm @ 3500 RPM) has 87 more torque (in Nm) than 2006 Lexus RX. (323 Nm @ 3600 RPM). This means 2003 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2006 Lexus RX.
Compare all specifications:
| 2003 Audi A4 | 2006 Lexus RX | |
| Make | Audi | Lexus |
| Model | A4 | RX |
| Year Released | 2003 | 2006 |
| 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 | 5 valves | 4 valves |
| Horse Power | 341 HP | 223 HP |
| Engine RPM | 7000 RPM | 5600 RPM |
| Torque | 410 Nm | 323 Nm |
| Torque RPM | 3500 RPM | 3600 RPM |
| Engine Compression Ratio | 11.0:1 | 10.8:1 |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1660 kg | 1540 kg |
| Vehicle Length | 4550 mm | 4740 mm |
| Vehicle Width | 1770 mm | 1850 mm |
| Vehicle Height | 1430 mm | 1690 mm |
| Wheelbase Size | 2660 mm | 2720 mm |
| Fuel Tank Capacity | 66 L | 73 L |
