2007 Audi A4 vs. 2006 Smart Roadster
To start off, 2007 Audi A4 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Smart Roadster. In addition, the cost of maintenance, including insurance, on 2006 Smart Roadster would be higher. At 1,984 cc (4 cylinders), 2007 Audi A4 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (197 HP @ 5100 RPM) has 116 more horse power than 2006 Smart Roadster. (81 HP @ 5250 RPM). In normal driving conditions, 2007 Audi A4 should accelerate faster than 2006 Smart Roadster. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 745 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.
Because 2006 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 2006 Smart Roadster. However, in wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Audi A4 (280 Nm @ 1800 RPM) has 170 more torque (in Nm) than 2006 Smart Roadster. (110 Nm @ 3000 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2006 Smart Roadster.
Compare all specifications:
| 2007 Audi A4 | 2006 Smart Roadster | |
| Make | Audi | Smart |
| Model | A4 | Roadster |
| Year Released | 2007 | 2006 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 1984 cc | 698 cc |
| Engine Cylinders | 4 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 197 HP | 81 HP |
| Engine RPM | 5100 RPM | 5250 RPM |
| Torque | 280 Nm | 110 Nm |
| Torque RPM | 1800 RPM | 3000 RPM |
| 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 |
| Top Speed | 238 km/hour | 175 km/hour |
| Acceleration 0-100mph | 8.2 seconds | 10.9 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1630 kg | 885 kg |
| Vehicle Length | 4580 mm | 3430 mm |
| Vehicle Width | 1400 mm | 1620 mm |
| Vehicle Height | 1780 mm | 1200 mm |
| Wheelbase Size | 2660 mm | 2370 mm |
| Fuel Consumption Overall | 8.3 L/100km | 5.1 L/100km |
| Fuel Tank Capacity | 70 L | 35 L |
