2009 Audi A4 vs. 2005 Lexus RX
To start off, 2009 Audi A4 is newer by 4 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 3,310 cc (6 cylinders), 2005 Lexus RX is equipped with a bigger engine. In terms of performance, 2005 Lexus RX (268 HP @ 5600 RPM) has 81 more horse power than 2009 Audi A4. (187 HP @ 3500 RPM) In normal driving conditions, 2005 Lexus RX should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Lexus RX weights approximately 470 kg more than 2009 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Lexus RX is four wheel drive (4WD), it will have significant more traction and grip than 2009 Audi A4. In wet, icy, snow, or gravel driving conditions, 2005 Lexus RX 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, 2005 Lexus RX (840 Nm @ 4400 RPM) has 440 more torque (in Nm) than 2009 Audi A4. (400 Nm @ 1400 RPM). This means 2005 Lexus RX will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4.
Compare all specifications:
| 2009 Audi A4 | 2005 Lexus RX | |
| Make | Audi | Lexus |
| Model | A4 | RX |
| Year Released | 2009 | 2005 |
| Body Type | Station Wagon | SUV |
| Engine Position | Front | Front |
| Engine Size | 2697 cc | 3310 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 187 HP | 268 HP |
| Engine RPM | 3500 RPM | 5600 RPM |
| Torque | 400 Nm | 840 Nm |
| Torque RPM | 1400 RPM | 4400 RPM |
| Engine Bore Size | 82.6 mm | 92 mm |
| Engine Stroke Size | 84.1 mm | 83 mm |
| Engine Compression Ratio | 17.5:1 | 10.8:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Acceleration 0-100mph | 8.3 seconds | 7.6 seconds |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1645 kg | 2115 kg |
| Vehicle Length | 4710 mm | 4770 mm |
| Vehicle Width | 1830 mm | 1850 mm |
| Vehicle Height | 1440 mm | 1690 mm |
| Wheelbase Size | 2810 mm | 2730 mm |
| Fuel Consumption Overall | 6.5 L/100km | 8.1 L/100km |
