1975 BMW 520 vs. 2004 MG ZS
To start off, 2004 MG ZS is newer by 29 year(s). Which means there will be less support and parts availability for 1975 BMW 520. In addition, the cost of maintenance, including insurance, on 1975 BMW 520 would be higher. At 2,497 cc (6 cylinders), 2004 MG ZS is equipped with a bigger engine. In terms of performance, 2004 MG ZS (176 HP @ 6500 RPM) has 53 more horse power than 1975 BMW 520. (123 HP @ 5700 RPM) In normal driving conditions, 2004 MG ZS should accelerate faster than 1975 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 2004 MG ZS weights approximately 15 kg more than 1975 BMW 520. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1975 BMW 520 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1975 BMW 520. However, in wet, icy, snow, or gravel driving conditions, 2004 MG ZS, being front wheel drive (FWD), will offer much better control with better grip. 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, 2004 MG ZS (240 Nm @ 4000 RPM) has 68 more torque (in Nm) than 1975 BMW 520. (172 Nm @ 4350 RPM). This means 2004 MG ZS will have an easier job in driving up hills or pulling heavy equipment than 1975 BMW 520.
Compare all specifications:
| 1975 BMW 520 | 2004 MG ZS | |
| Make | BMW | MG |
| Model | 520 | ZS |
| Year Released | 1975 | 2004 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 2497 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 123 HP | 176 HP |
| Engine RPM | 5700 RPM | 6500 RPM |
| Torque | 172 Nm | 240 Nm |
| Torque RPM | 4350 RPM | 4000 RPM |
| Engine Compression Ratio | 9.3:1 | 10.5:1 |
| Acceleration 0-100mph | 12 seconds | 7.7 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1295 kg | 1310 kg |
| Vehicle Length | 4630 mm | 4380 mm |
| Vehicle Width | 1700 mm | 1700 mm |
| Vehicle Height | 1430 mm | 1390 mm |
| Wheelbase Size | 2640 mm | 2630 mm |
| Fuel Tank Capacity | 70 L | 55 L |
