2003 Buick Rendezvous vs. 2005 Infiniti QX56
To start off, 2005 Infiniti QX56 is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Buick Rendezvous. In addition, the cost of maintenance, including insurance, on 2003 Buick Rendezvous would be higher. At 5,555 cc (8 cylinders), 2005 Infiniti QX56 is equipped with a bigger engine. In terms of performance, 2005 Infiniti QX56 (315 HP @ 6400 RPM) has 130 more horse power than 2003 Buick Rendezvous. (185 HP @ 5200 RPM) In normal driving conditions, 2005 Infiniti QX56 should accelerate faster than 2003 Buick Rendezvous. With that said, vehicle weight also plays an important factor in acceleration. 2005 Infiniti QX56 weights approximately 611 kg more than 2003 Buick Rendezvous. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Buick Rendezvous is four wheel drive (4WD), it will have significant more traction and grip than 2005 Infiniti QX56. In wet, icy, snow, or gravel driving conditions, 2003 Buick Rendezvous will offer significantly more control. 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, 2005 Infiniti QX56 (529 Nm) has 244 more torque (in Nm) than 2003 Buick Rendezvous. (285 Nm). This means 2005 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 2003 Buick Rendezvous.
Compare all specifications:
| 2003 Buick Rendezvous | 2005 Infiniti QX56 | |
| Make | Buick | Infiniti |
| Model | Rendezvous | QX56 |
| Year Released | 2003 | 2005 |
| Body Type | Crossover | SUV |
| Engine Position | Front | Front |
| Engine Size | 3350 cc | 5555 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 185 HP | 315 HP |
| Engine RPM | 5200 RPM | 6400 RPM |
| Torque | 285 Nm | 529 Nm |
| Engine Bore Size | 91 mm | 98 mm |
| Engine Stroke Size | 84 mm | 92 mm |
| Engine Compression Ratio | 9.5:1 | 9.8:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1820 kg | 2431 kg |
| Vehicle Length | 4750 mm | 5260 mm |
| Vehicle Width | 1880 mm | 2010 mm |
| Vehicle Height | 1760 mm | 1960 mm |
| Wheelbase Size | 2860 mm | 3140 mm |
