2009 BMW 523 vs. 2005 MG ZT
To start off, 2009 BMW 523 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 MG ZT. In addition, the cost of maintenance, including insurance, on 2005 MG ZT would be higher. At 4,599 cc (8 cylinders), 2005 MG ZT is equipped with a bigger engine. In terms of performance, 2005 MG ZT (256 HP @ 5000 RPM) has 81 more horse power than 2009 BMW 523. (175 HP @ 5800 RPM) In normal driving conditions, 2005 MG ZT should accelerate faster than 2009 BMW 523. With that said, vehicle weight also plays an important factor in acceleration. 2005 MG ZT weights approximately 190 kg more than 2009 BMW 523. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2005 MG ZT (410 Nm @ 4000 RPM) has 180 more torque (in Nm) than 2009 BMW 523. (230 Nm @ 3500 RPM). This means 2005 MG ZT will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 523.
Compare all specifications:
| 2009 BMW 523 | 2005 MG ZT | |
| Make | BMW | MG |
| Model | 523 | ZT |
| Year Released | 2009 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 4599 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 175 HP | 256 HP |
| Engine RPM | 5800 RPM | 5000 RPM |
| Torque | 230 Nm | 410 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Engine Bore Size | 82.1 mm | 90.2 mm |
| Engine Stroke Size | 78.8 mm | 90 mm |
| Engine Compression Ratio | 11.0:1 | 9.4:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 8.5 seconds | 6.2 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1565 kg | 1755 kg |
| Vehicle Length | 4850 mm | 4800 mm |
| Vehicle Width | 1850 mm | 1780 mm |
| Vehicle Height | 1470 mm | 1420 mm |
| Wheelbase Size | 2890 mm | 2750 mm |
| Fuel Consumption Overall | 8.5 L/100km | 13.2 L/100km |
| Fuel Tank Capacity | 70 L | 65 L |
