2003 BMW X3 vs. 1971 BMW 3
To start off, 2003 BMW X3 is newer by 32 year(s). Which means there will be less support and parts availability for 1971 BMW 3. In addition, the cost of maintenance, including insurance, on 1971 BMW 3 would be higher. At 2,986 cc (6 cylinders), 1971 BMW 3 is equipped with a bigger engine. In terms of performance, 1971 BMW 3 (200 HP @ 6000 RPM) has 11 more horse power than 2003 BMW X3. (189 HP @ 6000 RPM) In normal driving conditions, 1971 BMW 3 should accelerate faster than 2003 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW X3 weights approximately 435 kg more than 1971 BMW 3.
Because 2003 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 1971 BMW 3. In wet, icy, snow, or gravel driving conditions, 2003 BMW X3 will offer significantly more control. 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, 1971 BMW 3 (271 Nm @ 3700 RPM) has 26 more torque (in Nm) than 2003 BMW X3. (245 Nm @ 3500 RPM). This means 1971 BMW 3 will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW X3.
Compare all specifications:
| 2003 BMW X3 | 1971 BMW 3 | |
| Make | BMW | BMW |
| Model | X3 | 3 |
| Year Released | 2003 | 1971 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 2986 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 189 HP | 200 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 245 Nm | 271 Nm |
| Torque RPM | 3500 RPM | 3700 RPM |
| Engine Compression Ratio | 10.5:1 | 9.5:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1815 kg | 1380 kg |
| Vehicle Length | 4570 mm | 4720 mm |
| Vehicle Width | 1860 mm | 1760 mm |
| Vehicle Height | 1680 mm | 1460 mm |
| Wheelbase Size | 2890 mm | 2700 mm |
| Fuel Tank Capacity | 67 L | 75 L |
