2005 Audi A6 vs. 1987 Porsche 911
To start off, 2005 Audi A6 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 53 more horse power than 2005 Audi A6. (178 HP @ 4000 RPM) In normal driving conditions, 1987 Porsche 911 should accelerate faster than 2005 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A6 weights approximately 558 kg more than 1987 Porsche 911.
Because 2005 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 1987 Porsche 911. In wet, icy, snow, or gravel driving conditions, 2005 Audi A6 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, 2005 Audi A6 (370 Nm @ 1500 RPM) has 87 more torque (in Nm) than 1987 Porsche 911. (283 Nm @ 4800 RPM). This means 2005 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1987 Porsche 911.
Compare all specifications:
| 2005 Audi A6 | 1987 Porsche 911 | |
| Make | Audi | Porsche |
| Model | A6 | 911 |
| Year Released | 2005 | 1987 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 2393 cc | 3164 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 178 HP | 231 HP |
| Engine RPM | 4000 RPM | 5900 RPM |
| Torque | 370 Nm | 283 Nm |
| Torque RPM | 1500 RPM | 4800 RPM |
| Engine Bore Size | 78.3 mm | 95 mm |
| Engine Stroke Size | 86.4 mm | 74.4 mm |
| Engine Compression Ratio | 19.0:1 | 10.3:1 |
| Top Speed | 221 km/hour | 243 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1730 kg | 1172 kg |
| Vehicle Length | 4800 mm | 4300 mm |
| Vehicle Width | 1820 mm | 1660 mm |
| Vehicle Height | 1460 mm | 1330 mm |
| Wheelbase Size | 2660 mm | 2270 mm |
| Fuel Tank Capacity | 70 L | 85 L |
