2007 Audi A4 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 A4. In addition, the cost of maintenance, including insurance, on 2007 Audi A4 would be higher. At 3,439 cc (6 cylinders), 2009 Lexus RX is equipped with a bigger engine. In terms of performance, 2009 Lexus RX (270 HP @ 6200 RPM) has 73 more horse power than 2007 Audi A4. (197 HP @ 5100 RPM) In normal driving conditions, 2009 Lexus RX should accelerate faster than 2007 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Lexus RX weights approximately 280 kg more than 2007 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Lexus RX is four wheel drive (4WD), it will have significant more traction and grip than 2007 Audi A4. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Lexus RX (340 Nm @ 4700 RPM) has 60 more torque (in Nm) than 2007 Audi A4. (280 Nm @ 1800 RPM). This means 2009 Lexus RX will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A4.
Compare all specifications:
| 2007 Audi A4 | 2009 Lexus RX | |
| Make | Audi | Lexus |
| Model | A4 | RX |
| Year Released | 2007 | 2009 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 3439 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 197 HP | 270 HP |
| Engine RPM | 5100 RPM | 6200 RPM |
| Torque | 280 Nm | 340 Nm |
| Torque RPM | 1800 RPM | 4700 RPM |
| Engine Bore Size | 82.5 mm | 87.5 mm |
| Engine Stroke Size | 92.8 mm | 96 mm |
| Engine Compression Ratio | 10.5:1 | 10.8:1 |
| Fuel Type | Gasoline | Gasoline |
| Acceleration 0-100mph | 8.2 seconds | 7.8 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1630 kg | 1910 kg |
| Vehicle Length | 4580 mm | 4740 mm |
| Vehicle Width | 1400 mm | 1850 mm |
| Vehicle Height | 1780 mm | 1690 mm |
| Wheelbase Size | 2660 mm | 2720 mm |
| Fuel Consumption Overall | 8.3 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 70 L | 73 L |
