2009 Audi A4 vs. 1972 Porsche 911
To start off, 2009 Audi A4 is newer by 37 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, 2009 Audi A4 (218 HP @ 5900 RPM) has 8 more horse power than 1972 Porsche 911. (210 HP @ 6300 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 1972 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 539 kg more than 1972 Porsche 911. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 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, 2009 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, 2009 Audi A4 (300 Nm @ 2200 RPM) has 45 more torque (in Nm) than 1972 Porsche 911. (255 Nm @ 5100 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1972 Porsche 911.
Compare all specifications:
| 2009 Audi A4 | 1972 Porsche 911 | |
| Make | Audi | Porsche |
| Model | A4 | 911 |
| Year Released | 2009 | 1972 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 1984 cc | 2687 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 218 HP | 210 HP |
| Engine RPM | 5900 RPM | 6300 RPM |
| Torque | 300 Nm | 255 Nm |
| Torque RPM | 2200 RPM | 5100 RPM |
| Engine Bore Size | 82.5 mm | 90 mm |
| Engine Stroke Size | 92.8 mm | 70.4 mm |
| Engine Compression Ratio | 10.5:1 | 8.5:1 |
| Top Speed | 244 km/hour | 241 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1595 kg | 1056 kg |
| Vehicle Length | 4610 mm | 4110 mm |
| Vehicle Width | 1780 mm | 1660 mm |
| Vehicle Height | 1400 mm | 1330 mm |
| Wheelbase Size | 2660 mm | 2280 mm |
| Fuel Tank Capacity | 63 L | 85 L |
