2009 Maserati GranSport vs. 2005 BMW 645
To start off, 2009 Maserati GranSport is newer by 4 year(s). Which means there will be less support and parts availability for 2005 BMW 645. In addition, the cost of maintenance, including insurance, on 2005 BMW 645 would be higher. At 4,390 cc (8 cylinders), 2005 BMW 645 is equipped with a bigger engine. In terms of performance, 2009 Maserati GranSport (396 HP @ 7000 RPM) has 58 more horse power than 2005 BMW 645. (338 HP @ 6100 RPM). In normal driving conditions, 2009 Maserati GranSport should accelerate faster than 2005 BMW 645. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 645 weights approximately 35 kg more than 2009 Maserati GranSport.
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, 2009 Maserati GranSport (451 Nm @ 4500 RPM) has 12 more torque (in Nm) than 2005 BMW 645. (439 Nm @ 3600 RPM). This means 2009 Maserati GranSport will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 645.
Compare all specifications:
| 2009 Maserati GranSport | 2005 BMW 645 | |
| Make | Maserati | BMW |
| Model | GranSport | 645 |
| Year Released | 2009 | 2005 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4244 cc | 4390 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 396 HP | 338 HP |
| Engine RPM | 7000 RPM | 6100 RPM |
| Torque | 451 Nm | 439 Nm |
| Torque RPM | 4500 RPM | 3600 RPM |
| Engine Compression Ratio | 11.1:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 280 km/hour | 250 km/hour |
| Acceleration 0-100mph | 4.9 seconds | 5.6 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1680 kg | 1715 kg |
| Vehicle Length | 4530 mm | 4830 mm |
| Vehicle Width | 1830 mm | 1860 mm |
| Vehicle Height | 1300 mm | 1380 mm |
| Wheelbase Size | 2670 mm | 2790 mm |
| Fuel Consumption Overall | 28.3 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 88 L | 70 L |
