2003 BMW X3 vs. 1973 Porsche 911
To start off, 2003 BMW X3 is newer by 30 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 2,687 cc (6 cylinders), 1973 Porsche 911 is equipped with a bigger engine. In terms of performance, 1973 Porsche 911 (208 HP @ 6300 RPM) has 23 more horse power than 2003 BMW X3. (185 HP @ 6000 RPM) In normal driving conditions, 1973 Porsche 911 should accelerate faster than 2003 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW X3 weights approximately 890 kg more than 1973 Porsche 911.
Let's talk about torque, 1973 Porsche 911 (260 Nm @ 5100 RPM) has 15 more torque (in Nm) than 2003 BMW X3. (245 Nm @ 3500 RPM). This means 1973 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW X3.
Compare all specifications:
| 2003 BMW X3 | 1973 Porsche 911 | |
| Make | BMW | Porsche |
| Model | X3 | 911 |
| Year Released | 2003 | 1973 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 2492 cc | 2687 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 185 HP | 208 HP |
| Engine RPM | 6000 RPM | 6300 RPM |
| Torque | 245 Nm | 260 Nm |
| Torque RPM | 3500 RPM | 5100 RPM |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1840 kg | 950 kg |
| Vehicle Length | 4570 mm | 4110 mm |
| Vehicle Width | 1860 mm | 1660 mm |
| Vehicle Height | 1680 mm | 1330 mm |
| Wheelbase Size | 2800 mm | 2280 mm |
