2009 BMW X6 vs. 1973 BMW 3.3
To start off, 2009 BMW X6 is newer by 36 year(s). Which means there will be less support and parts availability for 1973 BMW 3.3. In addition, the cost of maintenance, including insurance, on 1973 BMW 3.3 would be higher. At 3,295 cc (6 cylinders), 1973 BMW 3.3 is equipped with a bigger engine. In terms of performance, 2009 BMW X6 (232 HP @ 4000 RPM) has 42 more horse power than 1973 BMW 3.3. (190 HP @ 5500 RPM). In normal driving conditions, 2009 BMW X6 should accelerate faster than 1973 BMW 3.3. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW X6 weights approximately 700 kg more than 1973 BMW 3.3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 BMW X6 is four wheel drive (4WD), it will have significant more traction and grip than 1973 BMW 3.3. In wet, icy, snow, or gravel driving conditions, 2009 BMW X6 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 X6 (520 Nm @ 2000 RPM) has 231 more torque (in Nm) than 1973 BMW 3.3. (289 Nm @ 4000 RPM). This means 2009 BMW X6 will have an easier job in driving up hills or pulling heavy equipment than 1973 BMW 3.3.
Compare all specifications:
| 2009 BMW X6 | 1973 BMW 3.3 | |
| Make | BMW | BMW |
| Model | X6 | 3.3 |
| Year Released | 2009 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 3295 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 232 HP | 190 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 520 Nm | 289 Nm |
| Torque RPM | 2000 RPM | 4000 RPM |
| Engine Compression Ratio | 17.0:1 | 9.0:1 |
| Top Speed | 210 km/hour | 204 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2150 kg | 1450 kg |
| Vehicle Length | 4880 mm | 4810 mm |
| Vehicle Width | 1990 mm | 1760 mm |
| Vehicle Height | 1700 mm | 1450 mm |
| Wheelbase Size | 2940 mm | 2800 mm |
| Fuel Tank Capacity | 85 L | 95 L |
