2009 Audi A5 vs. 1973 Porsche 911
To start off, 2009 Audi A5 is newer by 36 year(s). Which means there will be less support and parts availability for 1973 Porsche 911. In addition, the cost of maintenance, including insurance, on 1973 Porsche 911 would be higher. At 3,197 cc (6 cylinders), 2009 Audi A5 is equipped with a bigger engine. In terms of performance, 2009 Audi A5 (261 HP @ 6500 RPM) has 35 more horse power than 1973 Porsche 911. (226 HP @ 6200 RPM). In normal driving conditions, 2009 Audi A5 should accelerate faster than 1973 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A5 weights approximately 600 kg more than 1973 Porsche 911. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1973 Porsche 911 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1973 Porsche 911. However, in wet, icy, snow, or gravel driving conditions, 2009 Audi A5, being front wheel drive (FWD), will offer much better control with better grip. 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 A5 (330 Nm @ 3000 RPM) has 55 more torque (in Nm) than 1973 Porsche 911. (275 Nm @ 5000 RPM). This means 2009 Audi A5 will have an easier job in driving up hills or pulling heavy equipment than 1973 Porsche 911.
Compare all specifications:
| 2009 Audi A5 | 1973 Porsche 911 | |
| Make | Audi | Porsche |
| Model | A5 | 911 |
| Year Released | 2009 | 1973 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 3197 cc | 2994 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 261 HP | 226 HP |
| Engine RPM | 6500 RPM | 6200 RPM |
| Torque | 330 Nm | 275 Nm |
| Torque RPM | 3000 RPM | 5000 RPM |
| Engine Compression Ratio | 10.5:1 | 8.5:1 |
| Top Speed | 250 km/hour | 245 km/hour |
| Acceleration 0-100mph | 6.6 seconds | 5.3 seconds |
| Drive Type | Front | Rear |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1500 kg | 900 kg |
| Vehicle Length | 4630 mm | 4130 mm |
| Vehicle Width | 1860 mm | 1690 mm |
| Vehicle Height | 1380 mm | 1330 mm |
| Wheelbase Size | 2760 mm | 2270 mm |
| Fuel Tank Capacity | 65 L | 80 L |
