2005 Audi A8 vs. 1973 Porsche 911
To start off, 2005 Audi A8 is newer by 32 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 4,134 cc (8 cylinders), 2005 Audi A8 is equipped with a bigger engine. In terms of performance, 2005 Audi A8 (322 HP @ 3750 RPM) has 114 more horse power than 1973 Porsche 911. (208 HP @ 6300 RPM). In normal driving conditions, 2005 Audi A8 should accelerate faster than 1973 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A8 weights approximately 995 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.
Let's talk about torque, 2005 Audi A8 (650 Nm @ 1600 RPM) has 390 more torque (in Nm) than 1973 Porsche 911. (260 Nm @ 5100 RPM). This means 2005 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 1973 Porsche 911.
Compare all specifications:
| 2005 Audi A8 | 1973 Porsche 911 | |
| Make | Audi | Porsche |
| Model | A8 | 911 |
| Year Released | 2005 | 1973 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4134 cc | 2687 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Horse Power | 322 HP | 208 HP |
| Engine RPM | 3750 RPM | 6300 RPM |
| Torque | 650 Nm | 260 Nm |
| Torque RPM | 1600 RPM | 5100 RPM |
| Fuel Type | Diesel | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1945 kg | 950 kg |
| Vehicle Length | 5070 mm | 4110 mm |
| Vehicle Width | 1900 mm | 1660 mm |
| Vehicle Height | 1450 mm | 1330 mm |
| Wheelbase Size | 2950 mm | 2280 mm |
