2006 BMW 630 vs. 1999 Infiniti Q45
To start off, 2006 BMW 630 is newer by 7 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 4,128 cc (8 cylinders), 1999 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 1999 Infiniti Q45 (265 HP @ 5600 RPM) has 11 more horse power than 2006 BMW 630. (254 HP @ 6600 RPM) In normal driving conditions, 1999 Infiniti Q45 should accelerate faster than 2006 BMW 630. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 630 weights approximately 1 kg more than 1999 Infiniti Q45.
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, 1999 Infiniti Q45 (378 Nm @ 4000 RPM) has 78 more torque (in Nm) than 2006 BMW 630. (300 Nm @ 2500 RPM). This means 1999 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 630. 1999 Infiniti Q45 has automatic transmission and 2006 BMW 630 has manual transmission. 2006 BMW 630 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Infiniti Q45 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 BMW 630 | 1999 Infiniti Q45 | |
| Make | BMW | Infiniti |
| Model | 630 | Q45 |
| Year Released | 2006 | 1999 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 4128 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 254 HP | 265 HP |
| Engine RPM | 6600 RPM | 5600 RPM |
| Torque | 300 Nm | 378 Nm |
| Torque RPM | 2500 RPM | 4000 RPM |
| Engine Bore Size | 85 mm | 93 mm |
| Engine Stroke Size | 88 mm | 76 mm |
| Engine Compression Ratio | 10.7:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1760 kg | 1759 kg |
| Vehicle Length | 4830 mm | 5080 mm |
| Vehicle Width | 1860 mm | 1830 mm |
| Vehicle Height | 1380 mm | 1450 mm |
| Wheelbase Size | 2790 mm | 2840 mm |
| Fuel Tank Capacity | 70 L | 60 L |
