2007 BMW Convertible 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 Convertible. In addition, the cost of maintenance, including insurance, on 2007 BMW Convertible would be higher. At 4,799 cc (8 cylinders), 2007 BMW Convertible is equipped with a bigger engine. In terms of performance, 2007 BMW Convertible (363 HP @ 6300 RPM) has 204 more horse power than 2008 MG ZR. (159 HP @ 6900 RPM). In normal driving conditions, 2007 BMW Convertible should accelerate faster than 2008 MG ZR. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW Convertible weights approximately 665 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.
Let's talk about torque, 2007 BMW Convertible (490 Nm @ 3600 RPM) has 316 more torque (in Nm) than 2008 MG ZR. (174 Nm @ 4700 RPM). This means 2007 BMW Convertible will have an easier job in driving up hills or pulling heavy equipment than 2008 MG ZR.
Compare all specifications:
| 2007 BMW Convertible | 2008 MG ZR | |
| Make | BMW | MG |
| Model | Convertible | ZR |
| Year Released | 2007 | 2008 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 1796 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 363 HP | 159 HP |
| Engine RPM | 6300 RPM | 6900 RPM |
| Torque | 490 Nm | 174 Nm |
| Torque RPM | 3600 RPM | 4700 RPM |
| Engine Compression Ratio | 10.5:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 250 km/hour | 210 km/hour |
| Acceleration 0-100mph | 5.7 seconds | 7.8 seconds |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1850 kg | 1185 kg |
| Vehicle Length | 4830 mm | 4020 mm |
| Vehicle Width | 1380 mm | 1690 mm |
| Vehicle Height | 1860 mm | 1410 mm |
| Wheelbase Size | 2790 mm | 2510 mm |
| Fuel Tank Capacity | 70 L | 50 L |
