1999 BMW M5 vs. 1973 Porsche 911
To start off, 1999 BMW M5 is newer by 26 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 4,900 cc (8 cylinders), 1999 BMW M5 is equipped with a bigger engine. In terms of performance, 1999 BMW M5 (401 HP @ 7400 RPM) has 193 more horse power than 1973 Porsche 911. (208 HP @ 6300 RPM). In normal driving conditions, 1999 BMW M5 should accelerate faster than 1973 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 1999 BMW M5 weights approximately 660 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, 1999 BMW M5 (499 Nm) has 239 more torque (in Nm) than 1973 Porsche 911. (260 Nm). This means 1999 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 1973 Porsche 911.
Compare all specifications:
| 1999 BMW M5 | 1973 Porsche 911 | |
| Make | BMW | Porsche |
| Model | M5 | 911 |
| Year Released | 1999 | 1973 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4900 cc | 2687 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Horse Power | 401 HP | 208 HP |
| Engine RPM | 7400 RPM | 6300 RPM |
| Torque | 499 Nm | 260 Nm |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1610 kg | 950 kg |
| Vehicle Length | 4780 mm | 4110 mm |
| Vehicle Width | 1810 mm | 1660 mm |
| Vehicle Height | 1440 mm | 1330 mm |
| Wheelbase Size | 2730 mm | 2280 mm |
