2009 Audi A4 vs. 2003 Porsche Cayenne
To start off, 2009 Audi A4 is newer by 6 year(s). Which means there will be less support and parts availability for 2003 Porsche Cayenne. In addition, the cost of maintenance, including insurance, on 2003 Porsche Cayenne would be higher. At 3,164 cc (6 cylinders), 2003 Porsche Cayenne is equipped with a bigger engine. In terms of performance, 2003 Porsche Cayenne (246 HP @ 6000 RPM) has 59 more horse power than 2009 Audi A4. (187 HP @ 3500 RPM) In normal driving conditions, 2003 Porsche Cayenne should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2003 Porsche Cayenne weights approximately 490 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 2003 Porsche Cayenne 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, 2003 Porsche Cayenne 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 Audi A4 (400 Nm @ 1400 RPM) has 80 more torque (in Nm) than 2003 Porsche Cayenne. (320 Nm @ 2500 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2003 Porsche Cayenne. 2003 Porsche Cayenne has automatic transmission and 2009 Audi A4 has manual transmission. 2009 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Porsche Cayenne will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A4 | 2003 Porsche Cayenne | |
| Make | Audi | Porsche |
| Model | A4 | Cayenne |
| Year Released | 2009 | 2003 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2698 cc | 3164 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 187 HP | 246 HP |
| Engine RPM | 3500 RPM | 6000 RPM |
| Torque | 400 Nm | 320 Nm |
| Torque RPM | 1400 RPM | 2500 RPM |
| Engine Bore Size | 83.1 mm | 84 mm |
| Engine Stroke Size | 83.1 mm | 95.9 mm |
| Engine Compression Ratio | 16.8:1 | 11.5:1 |
| Fuel Type | Diesel | Gasoline |
| Acceleration 0-100mph | 7.9 seconds | 10 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1670 kg | 2160 kg |
| Vehicle Length | 4710 mm | 4790 mm |
| Vehicle Width | 1830 mm | 1930 mm |
| Vehicle Height | 1430 mm | 1710 mm |
| Wheelbase Size | 2810 mm | 2860 mm |
| Fuel Consumption Overall | 6 L/100km | 13.2 L/100km |
| Fuel Tank Capacity | 65 L | 92 L |
