2006 Audi A8 vs. 2005 Fiat Siena
To start off, 2006 Audi A8 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Fiat Siena. In addition, the cost of maintenance, including insurance, on 2005 Fiat Siena would be higher. At 3,123 cc (6 cylinders), 2006 Audi A8 is equipped with a bigger engine. In terms of performance, 2006 Audi A8 (256 HP) has 186 more horse power than 2005 Fiat Siena. (70 HP). In normal driving conditions, 2006 Audi A8 should accelerate faster than 2005 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A8 weights approximately 860 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.
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, 2006 Audi A8 (330 Nm @ 3250 RPM) has 235 more torque (in Nm) than 2005 Fiat Siena. (95 Nm @ 4000 RPM). This means 2006 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2005 Fiat Siena. 2006 Audi A8 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. 2006 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Audi A8 | 2005 Fiat Siena | |
| Make | Audi | Fiat |
| Model | A8 | Siena |
| Year Released | 2006 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 999 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 256 HP | 70 HP |
| Torque | 330 Nm | 95 Nm |
| Torque RPM | 3250 RPM | 4000 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1880 kg | 1020 kg |
| Vehicle Length | 5060 mm | 4110 mm |
| Vehicle Width | 1900 mm | 1630 mm |
| Vehicle Height | 1450 mm | 1470 mm |
| Wheelbase Size | 2950 mm | 2380 mm |
