1973 BMW 2004 vs. 2009 BMW X3
To start off, 2009 BMW X3 is newer by 36 year(s). Which means there will be less support and parts availability for 1973 BMW 2004. In addition, the cost of maintenance, including insurance, on 1973 BMW 2004 would be higher. At 2,996 cc (6 cylinders), 2009 BMW X3 is equipped with a bigger engine. In terms of performance, 2009 BMW X3 (260 HP @ 6600 RPM) has 163 more horse power than 1973 BMW 2004. (97 HP @ 5800 RPM) In normal driving conditions, 2009 BMW X3 should accelerate faster than 1973 BMW 2004. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW X3 weights approximately 710 kg more than 1973 BMW 2004. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 1973 BMW 2004. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 BMW X3 (305 Nm @ 2750 RPM) has 148 more torque (in Nm) than 1973 BMW 2004. (157 Nm @ 3000 RPM). This means 2009 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 1973 BMW 2004.
Compare all specifications:
| 1973 BMW 2004 | 2009 BMW X3 | |
| Make | BMW | BMW |
| Model | 2004 | X3 |
| Year Released | 1973 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 2996 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 97 HP | 260 HP |
| Engine RPM | 5800 RPM | 6600 RPM |
| Torque | 157 Nm | 305 Nm |
| Torque RPM | 3000 RPM | 2750 RPM |
| Engine Bore Size | 89 mm | 85 mm |
| Engine Stroke Size | 80 mm | 88 mm |
| Engine Compression Ratio | 8.5:1 | 10.7:1 |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1020 kg | 1730 kg |
| Vehicle Length | 4420 mm | 4580 mm |
| Vehicle Width | 1620 mm | 1860 mm |
| Vehicle Height | 1400 mm | 1680 mm |
| Wheelbase Size | 2510 mm | 2800 mm |
