2004 Infiniti QX56 vs. 2006 Smart Roadster
To start off, 2006 Smart Roadster is newer by 2 year(s). Which means there will be less support and parts availability for 2004 Infiniti QX56. In addition, the cost of maintenance, including insurance, on 2004 Infiniti QX56 would be higher. At 5,556 cc (8 cylinders), 2004 Infiniti QX56 is equipped with a bigger engine. In terms of performance, 2004 Infiniti QX56 (315 HP) has 215 more horse power than 2006 Smart Roadster. (100 HP). In normal driving conditions, 2004 Infiniti QX56 should accelerate faster than 2006 Smart Roadster. With that said, vehicle weight also plays an important factor in acceleration. 2004 Infiniti QX56 weights approximately 1461 kg more than 2006 Smart Roadster. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 Infiniti QX56 (529 Nm) has 399 more torque (in Nm) than 2006 Smart Roadster. (130 Nm). This means 2004 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 2006 Smart Roadster.
Compare all specifications:
| 2004 Infiniti QX56 | 2006 Smart Roadster | |
| Make | Infiniti | Smart |
| Model | QX56 | Roadster |
| Year Released | 2004 | 2006 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 5556 cc | 696 cc |
| Engine Cylinders | 8 cylinders | 3 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 315 HP | 100 HP |
| Torque | 529 Nm | 130 Nm |
| Engine Bore Size | 98 mm | 66.5 mm |
| Engine Stroke Size | 92 mm | 67 mm |
| Engine Compression Ratio | 9.8:1 | 9.0:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 7 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2431 kg | 970 kg |
| Vehicle Length | 5260 mm | 3430 mm |
| Vehicle Width | 2010 mm | 1620 mm |
| Vehicle Height | 1980 mm | 1200 mm |
| Wheelbase Size | 3140 mm | 2370 mm |
| Fuel Consumption Overall | 15.7 L/100km | 5.3 L/100km |
| Fuel Tank Capacity | 106 L | 35 L |
