2005 Audi S4 vs. 2002 Smart Roadster
To start off, 2005 Audi S4 is newer by 3 year(s). Which means there will be less support and parts availability for 2002 Smart Roadster. In addition, the cost of maintenance, including insurance, on 2002 Smart Roadster would be higher. At 4,161 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 6300 RPM) has 259 more horse power than 2002 Smart Roadster. (81 HP @ 5250 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 2002 Smart Roadster. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 955 kg more than 2002 Smart Roadster. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2005 Audi S4 (410 Nm) has 300 more torque (in Nm) than 2002 Smart Roadster. (110 Nm). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2002 Smart Roadster.
Compare all specifications:
| 2005 Audi S4 | 2002 Smart Roadster | |
| Make | Audi | Smart |
| Model | S4 | Roadster |
| Year Released | 2005 | 2002 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4161 cc | 696 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 | 6300 RPM | 5250 RPM |
| Torque | 410 Nm | 110 Nm |
| Engine Bore Size | 85 mm | 66.5 mm |
| Engine Stroke Size | 93 mm | 67 mm |
| Engine Compression Ratio | 11.0:1 | 9.0:1 |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1840 kg | 885 kg |
| Vehicle Length | 4580 mm | 3430 mm |
| Vehicle Width | 1780 mm | 1620 mm |
| Vehicle Height | 1400 mm | 1200 mm |
| Wheelbase Size | 2660 mm | 2370 mm |
| Fuel Consumption Overall | 11.8 L/100km | 5.1 L/100km |
