2009 Audi A4 vs. 2001 Porsche 911
To start off, 2009 Audi A4 is newer by 8 year(s). Which means there will be less support and parts availability for 2001 Porsche 911. In addition, the cost of maintenance, including insurance, on 2001 Porsche 911 would be higher. At 3,596 cc (6 cylinders), 2001 Porsche 911 is equipped with a bigger engine. In terms of performance, 2001 Porsche 911 (315 HP @ 6800 RPM) has 157 more horse power than 2009 Audi A4. (158 HP @ 4500 RPM) In normal driving conditions, 2001 Porsche 911 should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2001 Porsche 911 weights approximately 570 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 2001 Porsche 911 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, 2001 Porsche 911 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, 2001 Porsche 911 (370 Nm @ 4250 RPM) has 120 more torque (in Nm) than 2009 Audi A4. (250 Nm @ 1500 RPM). This means 2001 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4.
Compare all specifications:
| 2009 Audi A4 | 2001 Porsche 911 | |
| Make | Audi | Porsche |
| Model | A4 | 911 |
| Year Released | 2009 | 2001 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 1798 cc | 3596 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 158 HP | 315 HP |
| Engine RPM | 4500 RPM | 6800 RPM |
| Torque | 250 Nm | 370 Nm |
| Torque RPM | 1500 RPM | 4250 RPM |
| Engine Compression Ratio | 9.6:1 | 11.3:1 |
| Top Speed | 225 km/hour | 275 km/hour |
| Acceleration 0-100mph | 8.6 seconds | 5.5 seconds |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 895 kg | 1465 kg |
| Vehicle Length | 4710 mm | 4440 mm |
| Vehicle Width | 2010 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1310 mm |
| Wheelbase Size | 2810 mm | 2360 mm |
| Fuel Tank Capacity | 65 L | 64 L |
