1973 BMW 525 vs. 1999 BMW 330
To start off, 1999 BMW 330 is newer by 26 year(s). Which means there will be less support and parts availability for 1973 BMW 525. In addition, the cost of maintenance, including insurance, on 1973 BMW 525 would be higher. At 2,977 cc (6 cylinders), 1999 BMW 330 is equipped with a bigger engine. In terms of performance, 1999 BMW 330 (228 HP @ 5900 RPM) has 85 more horse power than 1973 BMW 525. (143 HP @ 6000 RPM) In normal driving conditions, 1999 BMW 330 should accelerate faster than 1973 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 1999 BMW 330 weights approximately 195 kg more than 1973 BMW 525. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front 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, 1999 BMW 330 (300 Nm @ 3500 RPM) has 92 more torque (in Nm) than 1973 BMW 525. (208 Nm @ 4000 RPM). This means 1999 BMW 330 will have an easier job in driving up hills or pulling heavy equipment than 1973 BMW 525.
Compare all specifications:
| 1973 BMW 525 | 1999 BMW 330 | |
| Make | BMW | BMW |
| Model | 525 | 330 |
| Year Released | 1973 | 1999 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 2977 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 143 HP | 228 HP |
| Engine RPM | 6000 RPM | 5900 RPM |
| Torque | 208 Nm | 300 Nm |
| Torque RPM | 4000 RPM | 3500 RPM |
| Engine Bore Size | 86 mm | 84 mm |
| Engine Stroke Size | 71.6 mm | 89.6 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1380 kg | 1575 kg |
| Vehicle Length | 4630 mm | 4480 mm |
| Vehicle Width | 1700 mm | 1750 mm |
| Vehicle Height | 1430 mm | 1420 mm |
| Wheelbase Size | 2640 mm | 2730 mm |
| Fuel Tank Capacity | 70 L | 88 L |
