1985 BMW M5 vs. 2005 MG ZR
To start off, 2005 MG ZR is newer by 20 year(s). Which means there will be less support and parts availability for 1985 BMW M5. In addition, the cost of maintenance, including insurance, on 1985 BMW M5 would be higher. At 3,453 cc (6 cylinders), 1985 BMW M5 is equipped with a bigger engine. In terms of performance, 1985 BMW M5 (256 HP @ 4800 RPM) has 98 more horse power than 2005 MG ZR. (158 HP @ 6900 RPM). In normal driving conditions, 1985 BMW M5 should accelerate faster than 2005 MG ZR. With that said, vehicle weight also plays an important factor in acceleration. 1985 BMW M5 weights approximately 380 kg more than 2005 MG ZR. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1985 BMW M5 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 1985 BMW M5. However, in wet, icy, snow, or gravel driving conditions, 2005 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, 1985 BMW M5 (290 Nm @ 4500 RPM) has 113 more torque (in Nm) than 2005 MG ZR. (177 Nm @ 4700 RPM). This means 1985 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 2005 MG ZR.
Compare all specifications:
| 1985 BMW M5 | 2005 MG ZR | |
| Make | BMW | MG |
| Model | M5 | ZR |
| Year Released | 1985 | 2005 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3453 cc | 1796 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 256 HP | 158 HP |
| Engine RPM | 4800 RPM | 6900 RPM |
| Torque | 290 Nm | 177 Nm |
| Torque RPM | 4500 RPM | 4700 RPM |
| Engine Bore Size | 91.9 mm | 80 mm |
| Engine Stroke Size | 86.1 mm | 89.3 mm |
| Engine Compression Ratio | 8.0:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 245 km/hour | 210 km/hour |
| Acceleration 0-100mph | 6.1 seconds | 8.1 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1500 kg | 1120 kg |
| Vehicle Length | 4630 mm | 4020 mm |
| Vehicle Width | 1710 mm | 1690 mm |
| Vehicle Height | 1410 mm | 1430 mm |
| Wheelbase Size | 2580 mm | 2510 mm |
| Fuel Consumption Overall | 8.6 L/100km | 7.5 L/100km |
| Fuel Tank Capacity | 70 L | 65 L |
