2006 Audi A4 vs. 2005 Smart Roadster
To start off, 2006 Audi A4 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Smart Roadster. In addition, the cost of maintenance, including insurance, on 2005 Smart Roadster would be higher. At 1,982 cc, 2006 Audi A4 is equipped with a bigger engine. In terms of performance, 2006 Audi A4 (197 HP) has 116 more horse power than 2005 Smart Roadster. (81 HP). In normal driving conditions, 2006 Audi A4 should accelerate faster than 2005 Smart Roadster. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A4 weights approximately 537 kg more than 2005 Smart Roadster. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Smart Roadster is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2005 Smart Roadster. However, in wet, icy, snow, or gravel driving conditions, 2006 Audi A4, being front wheel drive (FWD), will offer much better control with better grip. 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 Audi A4 (280 Nm) has 170 more torque (in Nm) than 2005 Smart Roadster. (110 Nm). This means 2006 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Smart Roadster.
Compare all specifications:
| 2006 Audi A4 | 2005 Smart Roadster | |
| Make | Audi | Smart |
| Model | A4 | Roadster |
| Year Released | 2006 | 2005 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 1982 cc | 698 cc |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 197 HP | 81 HP |
| Torque | 280 Nm | 110 Nm |
| Engine Bore Size | 82.5 mm | 66.5 mm |
| Engine Stroke Size | 92.8 mm | 67 mm |
| Engine Compression Ratio | 10.5:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 241 km/hour | 180 km/hour |
| Acceleration 0-100mph | 7.3 seconds | 10.9 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1425 kg | 888 kg |
| Vehicle Length | 4590 mm | 3430 mm |
| Vehicle Width | 1780 mm | 1620 mm |
| Vehicle Height | 1430 mm | 1200 mm |
| Wheelbase Size | 2650 mm | 2370 mm |
| Fuel Consumption Overall | 7.7 L/100km | 5.1 L/100km |
| Fuel Tank Capacity | 70 L | 35 L |
