2007 BMW X3 vs. 1991 Porsche 964
To start off, 2007 BMW X3 is newer by 16 year(s). Which means there will be less support and parts availability for 1991 Porsche 964. In addition, the cost of maintenance, including insurance, on 1991 Porsche 964 would be higher. At 3,600 cc (6 cylinders), 1991 Porsche 964 is equipped with a bigger engine. In terms of performance, 1991 Porsche 964 (261 HP @ 6100 RPM) has 1 more horse power than 2007 BMW X3. (260 HP @ 6600 RPM) In normal driving conditions, 1991 Porsche 964 should accelerate faster than 2007 BMW X3.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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, 1991 Porsche 964 (318 Nm @ 4800 RPM) has 13 more torque (in Nm) than 2007 BMW X3. (305 Nm @ 2750 RPM). This means 1991 Porsche 964 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW X3. 2007 BMW X3 has automatic transmission and 1991 Porsche 964 has manual transmission. 1991 Porsche 964 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW X3 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW X3 | 1991 Porsche 964 | |
| Make | BMW | Porsche |
| Model | X3 | 964 |
| Year Released | 2007 | 1991 |
| Engine Position | Front | Rear |
| Engine Size | 2979 cc | 3600 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 260 HP | 261 HP |
| Engine RPM | 6600 RPM | 6100 RPM |
| Torque | 305 Nm | 318 Nm |
| Torque RPM | 2750 RPM | 4800 RPM |
| Engine Bore Size | 85.1 mm | 100.1 mm |
| Engine Stroke Size | 87.9 mm | 76.4 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Doors | 5 doors | 2 doors |
