2005 Audi A4 vs. 1987 Porsche 911
To start off, 2005 Audi A4 is newer by 18 year(s). Which means there will be less support and parts availability for 1987 Porsche 911. In addition, the cost of maintenance, including insurance, on 1987 Porsche 911 would be higher. At 3,164 cc (6 cylinders), 1987 Porsche 911 is equipped with a bigger engine. In terms of performance, 1987 Porsche 911 (231 HP @ 5900 RPM) has 131 more horse power than 2005 Audi A4. (100 HP @ 1900 RPM) In normal driving conditions, 1987 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 278 kg more than 1987 Porsche 911.
Because 1987 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 1987 Porsche 911. However, in wet, icy, snow, or gravel driving conditions, 2005 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, 1987 Porsche 911 (283 Nm @ 4800 RPM) has 33 more torque (in Nm) than 2005 Audi A4. (250 Nm @ 1900 RPM). This means 1987 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 | 1987 Porsche 911 | |
| Make | Audi | Porsche |
| Model | A4 | 911 |
| Year Released | 2005 | 1987 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 1894 cc | 3164 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 100 HP | 231 HP |
| Engine RPM | 1900 RPM | 5900 RPM |
| Torque | 250 Nm | 283 Nm |
| Torque RPM | 1900 RPM | 4800 RPM |
| Engine Bore Size | 79.5 mm | 95 mm |
| Engine Stroke Size | 95.5 mm | 74.4 mm |
| Engine Compression Ratio | 19.0:1 | 10.3:1 |
| Top Speed | 191 km/hour | 243 km/hour |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1450 kg | 1172 kg |
| Vehicle Length | 4550 mm | 4300 mm |
| Vehicle Width | 1780 mm | 1660 mm |
| Vehicle Height | 1430 mm | 1330 mm |
| Wheelbase Size | 2660 mm | 2270 mm |
| Fuel Tank Capacity | 70 L | 85 L |
