2007 Audi S4 vs. 2008 Fiat Siena
To start off, 2008 Fiat Siena is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Audi S4. In addition, the cost of maintenance, including insurance, on 2007 Audi S4 would be higher. At 4,163 cc (8 cylinders), 2007 Audi S4 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi S4 weights approximately 665 kg more than 2008 Fiat Siena.
Because 2007 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 2008 Fiat Siena. In wet, icy, snow, or gravel driving conditions, 2007 Audi S4 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, 2007 Audi S4 (410 Nm @ 3500 RPM) has 275 more torque (in Nm) than 2008 Fiat Siena. (135 Nm @ 2500 RPM). This means 2007 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2008 Fiat Siena. 2007 Audi S4 has automatic transmission and 2008 Fiat Siena has manual transmission. 2008 Fiat Siena will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Audi S4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi S4 | 2008 Fiat Siena | |
| Make | Audi | Fiat |
| Model | S4 | Siena |
| Year Released | 2007 | 2008 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1697 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 339 HP | 0 HP |
| Torque | 410 Nm | 135 Nm |
| Torque RPM | 3500 RPM | 2500 RPM |
| Fuel Type | Gasoline | Diesel |
| Acceleration 0-100mph | 5.9 seconds | 16.3 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1755 kg | 1090 kg |
| Vehicle Length | 4590 mm | 4140 mm |
| Vehicle Width | 1730 mm | 1640 mm |
| Vehicle Height | 1430 mm | 1440 mm |
| Wheelbase Size | 2650 mm | 2380 mm |
| Fuel Consumption Overall | 12.3 L/100km | 6.9 L/100km |
| Fuel Tank Capacity | 63 L | 47 L |
