2005 Audi A6 vs. 2006 Smart Roadster
To start off, 2006 Smart Roadster is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Audi A6. In addition, the cost of maintenance, including insurance, on 2005 Audi A6 would be higher. At 1,984 cc (4 cylinders), 2005 Audi A6 is equipped with a bigger engine. In terms of performance, 2005 Audi A6 (138 HP @ 4000 RPM) has 38 more horse power than 2006 Smart Roadster. (100 HP @ 5250 RPM). In normal driving conditions, 2005 Audi A6 should accelerate faster than 2006 Smart Roadster.
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, 2005 Audi A6, 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, 2005 Audi A6 (320 Nm @ 1750 RPM) has 190 more torque (in Nm) than 2006 Smart Roadster. (130 Nm @ 2500 RPM). This means 2005 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2006 Smart Roadster.
Compare all specifications:
| 2005 Audi A6 | 2006 Smart Roadster | |
| Make | Audi | Smart |
| Model | A6 | Roadster |
| Year Released | 2005 | 2006 |
| Body Type | Sedan | Roadster |
| Engine Position | Front | Rear |
| Engine Size | 1984 cc | 696 cc |
| Engine Cylinders | 4 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 138 HP | 100 HP |
| Engine RPM | 4000 RPM | 5250 RPM |
| Torque | 320 Nm | 130 Nm |
| Torque RPM | 1750 RPM | 2500 RPM |
| Engine Bore Size | 81 mm | 66.5 mm |
| Engine Stroke Size | 95.5 mm | 67 mm |
| Engine Compression Ratio | 18.0:1 | 9.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 4920 mm | 3430 mm |
| Vehicle Width | 1860 mm | 1620 mm |
| Vehicle Height | 1460 mm | 1200 mm |
| Wheelbase Size | 2850 mm | 2370 mm |
| Fuel Tank Capacity | 70 L | 35 L |
