2004 Audi A8 vs. 2011 Fiat Siena
To start off, 2011 Fiat Siena is newer by 7 year(s). Which means there will be less support and parts availability for 2004 Audi A8. In addition, the cost of maintenance, including insurance, on 2004 Audi A8 would be higher. At 2,976 cc (6 cylinders), 2004 Audi A8 is equipped with a bigger engine. In terms of performance, 2004 Audi A8 (217 HP @ 6300 RPM) has 111 more horse power than 2011 Fiat Siena. (106 HP @ 5500 RPM). In normal driving conditions, 2004 Audi A8 should accelerate faster than 2011 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A8 weights approximately 605 kg more than 2011 Fiat Siena. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2004 Audi A8 (300 Nm @ 3200 RPM) has 160 more torque (in Nm) than 2011 Fiat Siena. (140 Nm @ 4000 RPM). This means 2004 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2011 Fiat Siena.
Compare all specifications:
| 2004 Audi A8 | 2011 Fiat Siena | |
| Make | Audi | Fiat |
| Model | A8 | Siena |
| Year Released | 2004 | 2011 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2976 cc | 1581 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 217 HP | 106 HP |
| Engine RPM | 6300 RPM | 5500 RPM |
| Torque | 300 Nm | 140 Nm |
| Torque RPM | 3200 RPM | 4000 RPM |
| Engine Bore Size | 82.5 mm | 86.5 mm |
| Engine Stroke Size | 92.8 mm | 67.4 mm |
| Engine Compression Ratio | 11.0:1 | 10.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1700 kg | 1095 kg |
| Vehicle Length | 5060 mm | 3550 mm |
| Vehicle Width | 1900 mm | 1640 mm |
| Vehicle Height | 1450 mm | 1490 mm |
| Wheelbase Size | 2770 mm | 2370 mm |
| Fuel Consumption Overall | 12.8 L/100km | 8.2 L/100km |
| Fuel Tank Capacity | 70 L | 47 L |
