2004 BMW 645 vs. 2007 MG ZT-T
To start off, 2007 MG ZT-T is newer by 3 year(s). Which means there will be less support and parts availability for 2004 BMW 645. In addition, the cost of maintenance, including insurance, on 2004 BMW 645 would be higher. At 4,601 cc (8 cylinders), 2007 MG ZT-T is equipped with a bigger engine. In terms of performance, 2004 BMW 645 (322 HP @ 7400 RPM) has 66 more horse power than 2007 MG ZT-T. (256 HP @ 5000 RPM). In normal driving conditions, 2004 BMW 645 should accelerate faster than 2007 MG ZT-T. With that said, vehicle weight also plays an important factor in acceleration. 2007 MG ZT-T weights approximately 100 kg more than 2004 BMW 645.
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, 2004 BMW 645 (447 Nm) has 37 more torque (in Nm) than 2007 MG ZT-T. (410 Nm). This means 2004 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2007 MG ZT-T.
Compare all specifications:
| 2004 BMW 645 | 2007 MG ZT-T | |
| Make | BMW | MG |
| Model | 645 | ZT-T |
| Year Released | 2004 | 2007 |
| Body Type | Coupe | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4392 cc | 4601 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 322 HP | 256 HP |
| Engine RPM | 7400 RPM | 5000 RPM |
| Torque | 447 Nm | 410 Nm |
| Engine Bore Size | 92 mm | 90.2 mm |
| Engine Stroke Size | 83 mm | 90 mm |
| Engine Compression Ratio | 10.5:1 | 9.4:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1715 kg | 1815 kg |
| Vehicle Length | 4840 mm | 4020 mm |
| Vehicle Width | 1860 mm | 1780 mm |
| Vehicle Height | 1380 mm | 1430 mm |
| Wheelbase Size | 2790 mm | 2750 mm |
| Fuel Consumption Overall | 11.8 L/100km | 13.2 L/100km |
| Fuel Tank Capacity | 70 L | 65 L |
