2005 Audi A4 vs. 2001 Porsche 911
To start off, 2005 Audi A4 is newer by 4 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 3,400 cc (6 cylinders), 2001 Porsche 911 is equipped with a bigger engine. In terms of performance, 2001 Porsche 911 (300 HP @ 6800 RPM) has 139 more horse power than 2005 Audi A4. (161 HP @ 4000 RPM) In normal driving conditions, 2001 Porsche 911 should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 220 kg more than 2001 Porsche 911.
Because 2001 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2005 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, both vehicles can yield 350 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 2005 Audi A4 | 2001 Porsche 911 | |
| Make | Audi | Porsche |
| Model | A4 | 911 |
| Year Released | 2005 | 2001 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 2393 cc | 3400 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 161 HP | 300 HP |
| Engine RPM | 4000 RPM | 6800 RPM |
| Torque | 350 Nm | 350 Nm |
| Torque RPM | 1500 RPM | 4250 RPM |
| Engine Bore Size | 78.3 mm | 96 mm |
| Engine Stroke Size | 86.4 mm | 78 mm |
| Engine Compression Ratio | 18.0:1 | 11.3:1 |
| Top Speed | 225 km/hour | 285 km/hour |
| Acceleration 0-100mph | 9.1 seconds | 5 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1625 kg | 1405 kg |
| Vehicle Length | 4550 mm | 4440 mm |
| Vehicle Width | 1780 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1310 mm |
| Wheelbase Size | 2660 mm | 2360 mm |
| Fuel Tank Capacity | 70 L | 64 L |
