2007 BMW 545 vs. 2008 MG ZR
To start off, 2008 MG ZR is newer by 1 year(s). Which means there will be less support and parts availability for 2007 BMW 545. In addition, the cost of maintenance, including insurance, on 2007 BMW 545 would be higher. At 4,398 cc (8 cylinders), 2007 BMW 545 is equipped with a bigger engine. In terms of performance, 2007 BMW 545 (328 HP @ 6100 RPM) has 169 more horse power than 2008 MG ZR. (159 HP @ 6900 RPM). In normal driving conditions, 2007 BMW 545 should accelerate faster than 2008 MG ZR. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 545 weights approximately 520 kg more than 2008 MG ZR. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW 545 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 2007 BMW 545. However, in wet, icy, snow, or gravel driving conditions, 2008 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, 2007 BMW 545 (450 Nm @ 3600 RPM) has 276 more torque (in Nm) than 2008 MG ZR. (174 Nm @ 4700 RPM). This means 2007 BMW 545 will have an easier job in driving up hills or pulling heavy equipment than 2008 MG ZR.
Compare all specifications:
| 2007 BMW 545 | 2008 MG ZR | |
| Make | BMW | MG |
| Model | 545 | ZR |
| Year Released | 2007 | 2008 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 1796 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 328 HP | 159 HP |
| Engine RPM | 6100 RPM | 6900 RPM |
| Torque | 450 Nm | 174 Nm |
| Torque RPM | 3600 RPM | 4700 RPM |
| Engine Compression Ratio | 10.0:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 245 km/hour | 210 km/hour |
| Acceleration 0-100mph | 5.8 seconds | 7.8 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 | 1705 kg | 1185 kg |
| Vehicle Length | 4850 mm | 4020 mm |
| Vehicle Width | 1850 mm | 1690 mm |
| Vehicle Height | 1470 mm | 1410 mm |
| Wheelbase Size | 2890 mm | 2510 mm |
| Fuel Consumption Overall | 11 L/100km | 7.5 L/100km |
| Fuel Tank Capacity | 70 L | 50 L |
