2003 Audi A6 vs. 2005 Fiat Siena
To start off, 2005 Fiat Siena is newer by 2 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 4,172 cc (8 cylinders), 2003 Audi A6 is equipped with a bigger engine. In terms of performance, 2003 Audi A6 (296 HP @ 6200 RPM) has 172 more horse power than 2005 Fiat Siena. (124 HP @ 4000 RPM). In normal driving conditions, 2003 Audi A6 should accelerate faster than 2005 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2003 Audi A6 weights approximately 723 kg more than 2005 Fiat Siena. 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 2005 Fiat Siena. 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 (400 Nm @ 3000 RPM) has 260 more torque (in Nm) than 2005 Fiat Siena. (140 Nm @ 4000 RPM). This means 2003 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2005 Fiat Siena. 2003 Audi A6 has automatic transmission and 2005 Fiat Siena has manual transmission. 2005 Fiat Siena will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Audi A6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Audi A6 | 2005 Fiat Siena | |
| Make | Audi | Fiat |
| Model | A6 | Siena |
| Year Released | 2003 | 2005 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 1585 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 296 HP | 124 HP |
| Engine RPM | 6200 RPM | 4000 RPM |
| Torque | 400 Nm | 140 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Engine Bore Size | 84.5 mm | 86.4 mm |
| Engine Stroke Size | 93 mm | 67.4 mm |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1818 kg | 1095 kg |
| Wheelbase Size | 2850 mm | 2450 mm |
| Fuel Tank Capacity | 82 L | 47 L |
