1979 BMW 633 vs. 2005 MG ZS
To start off, 2005 MG ZS is newer by 26 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 2005 MG ZS. (175 HP @ 6500 RPM). In normal driving conditions, 1979 BMW 633 should accelerate faster than 2005 MG ZS. With that said, vehicle weight also plays an important factor in acceleration. 1979 BMW 633 weights approximately 160 kg more than 2005 MG ZS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1979 BMW 633 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 1979 BMW 633. However, in wet, icy, snow, or gravel driving conditions, 2005 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, 1979 BMW 633 (285 Nm @ 4300 RPM) has 45 more torque (in Nm) than 2005 MG ZS. (240 Nm @ 4000 RPM). This means 1979 BMW 633 will have an easier job in driving up hills or pulling heavy equipment than 2005 MG ZS.
Compare all specifications:
| 1979 BMW 633 | 2005 MG ZS | |
| Make | BMW | MG |
| Model | 633 | ZS |
| Year Released | 1979 | 2005 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3210 cc | 2495 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 194 HP | 175 HP |
| Engine RPM | 5500 RPM | 6500 RPM |
| Torque | 285 Nm | 240 Nm |
| Torque RPM | 4300 RPM | 4000 RPM |
| Engine Bore Size | 89 mm | 80 mm |
| Engine Stroke Size | 86 mm | 82.8 mm |
| Engine Compression Ratio | 9.3:1 | 10.5:1 |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1470 kg | 1310 kg |
| Vehicle Length | 4760 mm | 4550 mm |
| Vehicle Width | 1760 mm | 1700 mm |
| Vehicle Height | 1390 mm | 1390 mm |
| Wheelbase Size | 2640 mm | 2630 mm |
| Fuel Tank Capacity | 70 L | 55 L |
