2007 Audi S4 vs. 2006 Smart Roadster
To start off, 2007 Audi S4 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 4,163 cc (8 cylinders), 2007 Audi S4 is equipped with a bigger engine. In terms of performance, 2007 Audi S4 (340 HP @ 6800 RPM) has 259 more horse power than 2006 Smart Roadster. (81 HP @ 5250 RPM). In normal driving conditions, 2007 Audi S4 should accelerate faster than 2006 Smart Roadster. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi S4 weights approximately 625 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 2007 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Smart Roadster. In wet, icy, snow, or gravel driving conditions, 2007 Audi S4 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 S4 (410 Nm @ 3500 RPM) has 300 more torque (in Nm) than 2006 Smart Roadster. (110 Nm @ 3000 RPM). This means 2007 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2006 Smart Roadster.
Compare all specifications:
| 2007 Audi S4 | 2006 Smart Roadster | |
| Make | Audi | Smart |
| Model | S4 | Roadster |
| Year Released | 2007 | 2006 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4163 cc | 698 cc |
| Engine Cylinders | 8 cylinders | 3 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 340 HP | 81 HP |
| Engine RPM | 6800 RPM | 5250 RPM |
| Torque | 410 Nm | 110 Nm |
| Torque RPM | 3500 RPM | 3000 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1510 kg | 885 kg |
| Vehicle Length | 4590 mm | 3430 mm |
| Vehicle Width | 1790 mm | 1620 mm |
| Vehicle Height | 1420 mm | 1200 mm |
| Wheelbase Size | 2660 mm | 2370 mm |
| Fuel Consumption Overall | 13.1 L/100km | 5.1 L/100km |
| Fuel Tank Capacity | 63 L | 35 L |
