2003 Buick Park Avenue vs. 2006 Infiniti QX56
To start off, 2006 Infiniti QX56 is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Buick Park Avenue. In addition, the cost of maintenance, including insurance, on 2003 Buick Park Avenue would be higher. At 5,555 cc (8 cylinders), 2006 Infiniti QX56 is equipped with a bigger engine. In terms of performance, 2006 Infiniti QX56 (315 HP @ 4900 RPM) has 110 more horse power than 2003 Buick Park Avenue. (205 HP @ 5200 RPM) In normal driving conditions, 2006 Infiniti QX56 should accelerate faster than 2003 Buick Park Avenue. With that said, vehicle weight also plays an important factor in acceleration. 2003 Buick Park Avenue weights approximately 362 kg more than 2006 Infiniti QX56.
Because 2006 Infiniti QX56 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Buick Park Avenue. In wet, icy, snow, or gravel driving conditions, 2006 Infiniti QX56 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, 2006 Infiniti QX56 (529 Nm @ 3600 RPM) has 217 more torque (in Nm) than 2003 Buick Park Avenue. (312 Nm @ 4000 RPM). This means 2006 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 2003 Buick Park Avenue.
Compare all specifications:
| 2003 Buick Park Avenue | 2006 Infiniti QX56 | |
| Make | Buick | Infiniti |
| Model | Park Avenue | QX56 |
| Year Released | 2003 | 2006 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 5555 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 205 HP | 315 HP |
| Engine RPM | 5200 RPM | 4900 RPM |
| Torque | 312 Nm | 529 Nm |
| Torque RPM | 4000 RPM | 3600 RPM |
| Engine Bore Size | 96.5 mm | 98 mm |
| Engine Stroke Size | 86.4 mm | 92 mm |
| Engine Compression Ratio | 9.4:1 | 9.8:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1682 kg | 1320 kg |
| Vehicle Length | 5260 mm | 5260 mm |
| Vehicle Width | 1900 mm | 2010 mm |
| Vehicle Height | 1460 mm | 1980 mm |
| Wheelbase Size | 2900 mm | 3140 mm |
| Fuel Consumption Overall | 11.8 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 70 L | 106 L |
