2003 Audi A6 vs. 2004 Smart ForFour
To start off, 2004 Smart ForFour is newer by 1 year(s). Which means there will be less support and parts availability for 2003 Audi A6. In addition, the cost of maintenance, including insurance, on 2003 Audi A6 would be higher. At 1,799 cc (4 cylinders), 2003 Audi A6 is equipped with a bigger engine. In terms of performance, 2003 Audi A6 (149 HP @ 6000 RPM) has 75 more horse power than 2004 Smart ForFour. (74 HP @ 6000 RPM). In normal driving conditions, 2003 Audi A6 should accelerate faster than 2004 Smart ForFour. With that said, vehicle weight also plays an important factor in acceleration. 2003 Audi A6 weights approximately 575 kg more than 2004 Smart ForFour. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2004 Smart ForFour. In wet, icy, snow, or gravel driving conditions, 2003 Audi A6 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, 2003 Audi A6 (235 Nm @ 1750 RPM) has 135 more torque (in Nm) than 2004 Smart ForFour. (100 Nm @ 3500 RPM). This means 2003 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2004 Smart ForFour.
Compare all specifications:
| 2003 Audi A6 | 2004 Smart ForFour | |
| Make | Audi | Smart |
| Model | A6 | ForFour |
| Year Released | 2003 | 2004 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1799 cc | 1123 cc |
| Engine Cylinders | 4 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 149 HP | 74 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 235 Nm | 100 Nm |
| Torque RPM | 1750 RPM | 3500 RPM |
| Engine Bore Size | 81 mm | 75.5 mm |
| Engine Stroke Size | 86.4 mm | 84.8 mm |
| Engine Compression Ratio | 10.0:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1540 kg | 965 kg |
| Vehicle Length | 4800 mm | 3760 mm |
| Vehicle Width | 1820 mm | 1690 mm |
| Vehicle Height | 1460 mm | 1460 mm |
| Wheelbase Size | 2770 mm | 2510 mm |
| Fuel Tank Capacity | 70 L | 47 L |
