2008 Audi A4 vs. 2006 Smart ForFour
To start off, 2008 Audi A4 is newer by 2 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 1,896 cc (4 cylinders), 2008 Audi A4 is equipped with a bigger engine. In terms of performance, 2008 Audi A4 (138 HP) has 75 more horse power than 2006 Smart ForFour. (63 HP). In normal driving conditions, 2008 Audi A4 should accelerate faster than 2006 Smart ForFour. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A4 weights approximately 439 kg more than 2006 Smart ForFour. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear 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, 2008 Audi A4 (310 Nm @ 1900 RPM) has 218 more torque (in Nm) than 2006 Smart ForFour. (92 Nm @ 2500 RPM). This means 2008 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2006 Smart ForFour.
Compare all specifications:
| 2008 Audi A4 | 2006 Smart ForFour | |
| Make | Audi | Smart |
| Model | A4 | ForFour |
| Year Released | 2008 | 2006 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1896 cc | 1124 cc |
| Engine Cylinders | 4 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 138 HP | 63 HP |
| Torque | 310 Nm | 92 Nm |
| Torque RPM | 1900 RPM | 2500 RPM |
| Engine Compression Ratio | 19.0:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 202 km/hour | 158 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1405 kg | 966 kg |
| Vehicle Length | 4550 mm | 3760 mm |
| Vehicle Width | 1780 mm | 1690 mm |
| Vehicle Height | 1430 mm | 1460 mm |
| Wheelbase Size | 2660 mm | 2510 mm |
| Fuel Consumption Overall | 5.1 L/100km | 5.4 L/100km |
| Fuel Tank Capacity | 70 L | 47 L |
