1981 BMW 745 vs. 2004 MG ZR
To start off, 2004 MG ZR is newer by 23 year(s). Which means there will be less support and parts availability for 1981 BMW 745. In addition, the cost of maintenance, including insurance, on 1981 BMW 745 would be higher. At 3,430 cc (6 cylinders), 1981 BMW 745 is equipped with a bigger engine. In terms of performance, 1981 BMW 745 (252 HP @ 5200 RPM) has 150 more horse power than 2004 MG ZR. (102 HP @ 6000 RPM). In normal driving conditions, 1981 BMW 745 should accelerate faster than 2004 MG ZR. With that said, vehicle weight also plays an important factor in acceleration. 1981 BMW 745 weights approximately 495 kg more than 2004 MG ZR. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1981 BMW 745 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 1981 BMW 745. However, in wet, icy, snow, or gravel driving conditions, 2004 MG ZR, 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, 1981 BMW 745 (380 Nm @ 2200 RPM) has 257 more torque (in Nm) than 2004 MG ZR. (123 Nm @ 4500 RPM). This means 1981 BMW 745 will have an easier job in driving up hills or pulling heavy equipment than 2004 MG ZR.
Compare all specifications:
| 1981 BMW 745 | 2004 MG ZR | |
| Make | BMW | MG |
| Model | 745 | ZR |
| Year Released | 1981 | 2004 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3430 cc | 1396 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 252 HP | 102 HP |
| Engine RPM | 5200 RPM | 6000 RPM |
| Torque | 380 Nm | 123 Nm |
| Torque RPM | 2200 RPM | 4500 RPM |
| Engine Compression Ratio | 8.0:1 | 10.5:1 |
| Top Speed | 220 km/hour | 175 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1590 kg | 1095 kg |
| Vehicle Length | 4870 mm | 4020 mm |
| Vehicle Width | 1810 mm | 1690 mm |
| Vehicle Height | 1440 mm | 1410 mm |
| Wheelbase Size | 2800 mm | 2510 mm |
| Fuel Tank Capacity | 100 L | 50 L |
