2003 BMW X3 vs. 1979 BMW 728
To start off, 2003 BMW X3 is newer by 24 year(s). Which means there will be less support and parts availability for 1979 BMW 728. In addition, the cost of maintenance, including insurance, on 1979 BMW 728 would be higher. At 2,788 cc (6 cylinders), 1979 BMW 728 is equipped with a bigger engine. In terms of performance, 2003 BMW X3 (189 HP @ 6000 RPM) has 8 more horse power than 1979 BMW 728. (181 HP @ 5800 RPM). In normal driving conditions, 2003 BMW X3 should accelerate faster than 1979 BMW 728. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW X3 weights approximately 345 kg more than 1979 BMW 728. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 1979 BMW 728. 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, 2003 BMW X3 (245 Nm @ 3500 RPM) has 5 more torque (in Nm) than 1979 BMW 728. (240 Nm @ 4200 RPM). This means 2003 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 1979 BMW 728.
Compare all specifications:
2003 BMW X3 | 1979 BMW 728 | |
Make | BMW | BMW |
Model | X3 | 728 |
Year Released | 2003 | 1979 |
Body Type | SUV | Sedan |
Engine Position | Front | Front |
Engine Size | 2494 cc | 2788 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | in-line | in-line |
Horse Power | 189 HP | 181 HP |
Engine RPM | 6000 RPM | 5800 RPM |
Torque | 245 Nm | 240 Nm |
Torque RPM | 3500 RPM | 4200 RPM |
Engine Bore Size | 84 mm | 86 mm |
Engine Stroke Size | 75 mm | 80 mm |
Engine Compression Ratio | 10.5:1 | 9.3:1 |
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 | 1470 kg |
Vehicle Length | 4570 mm | 4870 mm |
Vehicle Width | 1860 mm | 1810 mm |
Vehicle Height | 1680 mm | 1440 mm |
Wheelbase Size | 2890 mm | 2800 mm |
Fuel Tank Capacity | 67 L | 100 L |