2005 Audi A4 vs. 1972 Porsche 911
To start off, 2005 Audi A4 is newer by 33 year(s). Which means there will be less support and parts availability for 1972 Porsche 911. In addition, the cost of maintenance, including insurance, on 1972 Porsche 911 would be higher. At 2,687 cc (6 cylinders), 1972 Porsche 911 is equipped with a bigger engine. In terms of performance, 1972 Porsche 911 (210 HP @ 6300 RPM) has 23 more horse power than 2005 Audi A4. (187 HP @ 5700 RPM) In normal driving conditions, 1972 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 474 kg more than 1972 Porsche 911.
Because 2005 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1972 Porsche 911. In wet, icy, snow, or gravel driving conditions, 2005 Audi A4 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, 1972 Porsche 911 (255 Nm @ 5100 RPM) has 15 more torque (in Nm) than 2005 Audi A4. (240 Nm @ 1950 RPM). This means 1972 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4.
Compare all specifications:
| 2005 Audi A4 | 1972 Porsche 911 | |
| Make | Audi | Porsche |
| Model | A4 | 911 |
| Year Released | 2005 | 1972 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 1781 cc | 2687 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 187 HP | 210 HP |
| Engine RPM | 5700 RPM | 6300 RPM |
| Torque | 240 Nm | 255 Nm |
| Torque RPM | 1950 RPM | 5100 RPM |
| Engine Bore Size | 81 mm | 90 mm |
| Engine Stroke Size | 86.4 mm | 70.4 mm |
| Engine Compression Ratio | 9.0:1 | 8.5:1 |
| Top Speed | 230 km/hour | 241 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1530 kg | 1056 kg |
| Vehicle Length | 4550 mm | 4110 mm |
| Vehicle Width | 1780 mm | 1660 mm |
| Vehicle Height | 1430 mm | 1330 mm |
| Wheelbase Size | 2660 mm | 2280 mm |
| Fuel Tank Capacity | 66 L | 85 L |
