2009 Audi A4 vs. 1990 Porsche 911
To start off, 2009 Audi A4 is newer by 19 year(s). Which means there will be less support and parts availability for 1990 Porsche 911. In addition, the cost of maintenance, including insurance, on 1990 Porsche 911 would be higher. At 3,299 cc (6 cylinders), 1990 Porsche 911 is equipped with a bigger engine. In terms of performance, 1990 Porsche 911 (316 HP @ 5750 RPM) has 129 more horse power than 2009 Audi A4. (187 HP @ 3500 RPM) In normal driving conditions, 1990 Porsche 911 should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 203 kg more than 1990 Porsche 911.
Because 1990 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 1990 Porsche 911. However, in wet, icy, snow, or gravel driving conditions, 2009 Audi A4, 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, 1990 Porsche 911 (450 Nm @ 4500 RPM) has 50 more torque (in Nm) than 2009 Audi A4. (400 Nm @ 1400 RPM). This means 1990 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 | 1990 Porsche 911 | |
| Make | Audi | Porsche |
| Model | A4 | 911 |
| Year Released | 2009 | 1990 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 2698 cc | 3299 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 187 HP | 316 HP |
| Engine RPM | 3500 RPM | 5750 RPM |
| Torque | 400 Nm | 450 Nm |
| Torque RPM | 1400 RPM | 4500 RPM |
| Engine Bore Size | 83.1 mm | 97 mm |
| Engine Stroke Size | 83.1 mm | 74.4 mm |
| Engine Compression Ratio | 16.8:1 | 7.0:1 |
| Acceleration 0-100mph | 7.9 seconds | 5.4 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1670 kg | 1467 kg |
| Vehicle Length | 4710 mm | 4260 mm |
| Vehicle Width | 1830 mm | 1760 mm |
| Vehicle Height | 1430 mm | 1310 mm |
| Wheelbase Size | 2810 mm | 2270 mm |
| Fuel Consumption Overall | 6 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 65 L | 76 L |
