2003 BMW 645 vs. 2006 Maserati GranSport
To start off, 2006 Maserati GranSport is newer by 3 year(s). Which means there will be less support and parts availability for 2003 BMW 645. In addition, the cost of maintenance, including insurance, on 2003 BMW 645 would be higher. At 4,398 cc (8 cylinders), 2003 BMW 645 is equipped with a bigger engine. In terms of performance, 2006 Maserati GranSport (400 HP @ 7000 RPM) has 90 more horse power than 2003 BMW 645. (310 HP @ 6000 RPM) In normal driving conditions, 2006 Maserati GranSport should accelerate faster than 2003 BMW 645. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW 645 weights approximately 363 kg more than 2006 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, 2006 Maserati GranSport (453 Nm @ 4500 RPM) has 3 more torque (in Nm) than 2003 BMW 645. (450 Nm @ 3600 RPM). This means 2006 Maserati GranSport will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW 645.
Compare all specifications:
| 2003 BMW 645 | 2006 Maserati GranSport | |
| Make | BMW | Maserati |
| Model | 645 | GranSport |
| Year Released | 2003 | 2006 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 4245 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 310 HP | 400 HP |
| Engine RPM | 6000 RPM | 7000 RPM |
| Torque | 450 Nm | 453 Nm |
| Torque RPM | 3600 RPM | 4500 RPM |
| Engine Bore Size | 92 mm | 92 mm |
| Engine Stroke Size | 82.7 mm | 80 mm |
| Top Speed | 250 km/hour | 290 km/hour |
| Acceleration 0-100mph | 5.9 seconds | 4.9 seconds |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1698 kg | 1335 kg |
| Vehicle Length | 4830 mm | 4530 mm |
| Vehicle Width | 1860 mm | 1830 mm |
| Vehicle Height | 1380 mm | 1290 mm |
| Wheelbase Size | 2790 mm | 2670 mm |
| Fuel Consumption | 8 L/100km | 13.8 L/100km |
| Fuel Consumption City | 16.1 L/100km | 19.6 L/100km |
| Fuel Consumption Overall | 10.9 L/100km | 16.8 L/100km |
| Fuel Tank Capacity | 70 L | 73 L |
