2009 BMW 523 vs. 1979 BMW 633
To start off, 2009 BMW 523 is newer by 30 year(s). Which means there will be less support and parts availability for 1979 BMW 633. In addition, the cost of maintenance, including insurance, on 1979 BMW 633 would be higher. At 3,210 cc (6 cylinders), 1979 BMW 633 is equipped with a bigger engine. In terms of performance, 1979 BMW 633 (194 HP @ 5500 RPM) has 19 more horse power than 2009 BMW 523. (175 HP @ 5800 RPM) In normal driving conditions, 1979 BMW 633 should accelerate faster than 2009 BMW 523. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 523 weights approximately 55 kg more than 1979 BMW 633.
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, 1979 BMW 633 (285 Nm @ 4300 RPM) has 55 more torque (in Nm) than 2009 BMW 523. (230 Nm @ 3500 RPM). This means 1979 BMW 633 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 523.
Compare all specifications:
| 2009 BMW 523 | 1979 BMW 633 | |
| Make | BMW | BMW |
| Model | 523 | 633 |
| Year Released | 2009 | 1979 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 3210 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 175 HP | 194 HP |
| Engine RPM | 5800 RPM | 5500 RPM |
| Torque | 230 Nm | 285 Nm |
| Torque RPM | 3500 RPM | 4300 RPM |
| Engine Compression Ratio | 11.0:1 | 9.3:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1525 kg | 1470 kg |
| Vehicle Width | 1470 mm | 1760 mm |
| Vehicle Height | 1850 mm | 1390 mm |
| Wheelbase Size | 2890 mm | 2640 mm |
| Fuel Tank Capacity | 70 L | 70 L |
