1999 Infiniti Q45 vs. 2004 BMW 645
To start off, 2004 BMW 645 is newer by 5 year(s). Which means there will be less support and parts availability for 1999 Infiniti Q45. In addition, the cost of maintenance, including insurance, on 1999 Infiniti Q45 would be higher. At 4,398 cc (8 cylinders), 2004 BMW 645 is equipped with a bigger engine. In terms of performance, 2004 BMW 645 (328 HP @ 6100 RPM) has 63 more horse power than 1999 Infiniti Q45. (265 HP @ 5600 RPM) In normal driving conditions, 2004 BMW 645 should accelerate faster than 1999 Infiniti Q45. With that said, vehicle weight also plays an important factor in acceleration. 1999 Infiniti Q45 weights approximately 69 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 (450 Nm @ 3600 RPM) has 72 more torque (in Nm) than 1999 Infiniti Q45. (378 Nm @ 4000 RPM). This means 2004 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1999 Infiniti Q45.
Compare all specifications:
1999 Infiniti Q45 | 2004 BMW 645 | |
Make | Infiniti | BMW |
Model | Q45 | 645 |
Year Released | 1999 | 2004 |
Body Type | Sedan | Coupe |
Engine Position | Front | Front |
Engine Size | 4128 cc | 4398 cc |
Engine Cylinders | 8 cylinders | 8 cylinders |
Engine Type | V | V |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 265 HP | 328 HP |
Engine RPM | 5600 RPM | 6100 RPM |
Torque | 378 Nm | 450 Nm |
Torque RPM | 4000 RPM | 3600 RPM |
Engine Bore Size | 93 mm | 92 mm |
Engine Stroke Size | 76 mm | 82.7 mm |
Engine Compression Ratio | 10.5:1 | 10.0:1 |
Fuel Type | Gasoline | Gasoline - Premium |
Drive Type | Rear | Rear |
Transmission Type | Automatic | Automatic |
Number of Seats | 5 seats | 4 seats |
Number of Doors | 4 doors | 2 doors |
Vehicle Weight | 1759 kg | 1690 kg |
Vehicle Length | 5080 mm | 4830 mm |
Vehicle Width | 1830 mm | 1860 mm |
Vehicle Height | 1450 mm | 1380 mm |
Wheelbase Size | 2840 mm | 2830 mm |
Fuel Tank Capacity | 60 L | 70 L |