2005 Audi A8 vs. 1977 Porsche 911
To start off, 2005 Audi A8 is newer by 28 year(s). Which means there will be less support and parts availability for 1977 Porsche 911. In addition, the cost of maintenance, including insurance, on 1977 Porsche 911 would be higher. At 4,178 cc (8 cylinders), 2005 Audi A8 is equipped with a bigger engine. In terms of performance, 2005 Audi A8 (335 HP @ 4000 RPM) has 39 more horse power than 1977 Porsche 911. (296 HP @ 5500 RPM). In normal driving conditions, 2005 Audi A8 should accelerate faster than 1977 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A8 weights approximately 595 kg more than 1977 Porsche 911. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1977 Porsche 911 (431 Nm) has 1 more torque (in Nm) than 2005 Audi A8. (430 Nm). This means 1977 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A8.
Compare all specifications:
| 2005 Audi A8 | 1977 Porsche 911 | |
| Make | Audi | Porsche |
| Model | A8 | 911 |
| Year Released | 2005 | 1977 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4178 cc | 3299 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 335 HP | 296 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 430 Nm | 431 Nm |
| Engine Bore Size | 85 mm | 97.1 mm |
| Engine Stroke Size | 93 mm | 74.4 mm |
| Engine Compression Ratio | 11.0:1 | 7.0:1 |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1945 kg | 1350 kg |
| Vehicle Length | 5060 mm | 4300 mm |
| Vehicle Width | 1900 mm | 1780 mm |
| Vehicle Height | 1450 mm | 1320 mm |
| Wheelbase Size | 2950 mm | 2270 mm |
| Fuel Tank Capacity | 90 L | 80 L |
