2001 Audi A4 vs. 2005 Smart Roadster
To start off, 2005 Smart Roadster is newer by 4 year(s). Which means there will be less support and parts availability for 2001 Audi A4. In addition, the cost of maintenance, including insurance, on 2001 Audi A4 would be higher. At 2,496 cc (6 cylinders), 2001 Audi A4 is equipped with a bigger engine. In terms of performance, 2001 Audi A4 (161 HP @ 6300 RPM) has 60 more horse power than 2005 Smart Roadster. (101 HP @ 5250 RPM). In normal driving conditions, 2001 Audi A4 should accelerate faster than 2005 Smart Roadster.
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, 2001 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, 2001 Audi A4 (231 Nm @ 3200 RPM) has 101 more torque (in Nm) than 2005 Smart Roadster. (130 Nm @ 2500 RPM). This means 2001 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Smart Roadster.
Compare all specifications:
| 2001 Audi A4 | 2005 Smart Roadster | |
| Make | Audi | Smart |
| Model | A4 | Roadster |
| Year Released | 2001 | 2005 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 2496 cc | 698 cc |
| Engine Cylinders | 6 cylinders | 3 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 161 HP | 101 HP |
| Engine RPM | 6300 RPM | 5250 RPM |
| Torque | 231 Nm | 130 Nm |
| Torque RPM | 3200 RPM | 2500 RPM |
| Engine Bore Size | 81 mm | 66.5 mm |
| Engine Stroke Size | 77.4 mm | 67 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 4550 mm | 3430 mm |
| Vehicle Width | 1770 mm | 1620 mm |
| Vehicle Height | 1430 mm | 1200 mm |
| Wheelbase Size | 2660 mm | 2370 mm |
| Fuel Tank Capacity | 70 L | 35 L |
