2007 Audi RS4 vs. 2006 Smart ForFour
To start off, 2007 Audi RS4 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Smart ForFour. In addition, the cost of maintenance, including insurance, on 2006 Smart ForFour would be higher. At 4,163 cc (8 cylinders), 2007 Audi RS4 is equipped with a bigger engine. In terms of performance, 2007 Audi RS4 (414 HP @ 7800 RPM) has 320 more horse power than 2006 Smart ForFour. (94 HP @ 6000 RPM). In normal driving conditions, 2007 Audi RS4 should accelerate faster than 2006 Smart ForFour.
Because 2007 Audi RS4 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Smart ForFour. In wet, icy, snow, or gravel driving conditions, 2007 Audi RS4 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, 2007 Audi RS4 (431 Nm @ 5500 RPM) has 306 more torque (in Nm) than 2006 Smart ForFour. (125 Nm @ 4000 RPM). This means 2007 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 2006 Smart ForFour.
Compare all specifications:
| 2007 Audi RS4 | 2006 Smart ForFour | |
| Make | Audi | Smart |
| Model | RS4 | ForFour |
| Year Released | 2007 | 2006 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1332 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 414 HP | 94 HP |
| Engine RPM | 7800 RPM | 6000 RPM |
| Torque | 431 Nm | 125 Nm |
| Torque RPM | 5500 RPM | 4000 RPM |
| Engine Bore Size | 84.5 mm | 75.1 mm |
| Engine Stroke Size | 92.8 mm | 75.4 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Acceleration 0-100mph | 4.8 seconds | 10.8 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4600 mm | 3760 mm |
| Vehicle Width | 1820 mm | 1990 mm |
| Vehicle Height | 1420 mm | 1460 mm |
| Wheelbase Size | 2650 mm | 2510 mm |
| Fuel Consumption Overall | 13.4 L/100km | 5.8 L/100km |
| Fuel Tank Capacity | 80 L | 52 L |
