2007 Audi A4 vs. 2009 Fiat Siena
To start off, 2009 Fiat Siena is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi A4. In addition, the cost of maintenance, including insurance, on 2007 Audi A4 would be higher. At 1,895 cc (4 cylinders), 2007 Audi A4 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 320 kg more than 2009 Fiat Siena.
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, 2007 Audi A4 (285 Nm @ 1900 RPM) has 183 more torque (in Nm) than 2009 Fiat Siena. (102 Nm @ 3250 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2009 Fiat Siena.
Compare all specifications:
| 2007 Audi A4 | 2009 Fiat Siena | |
| Make | Audi | Fiat |
| Model | A4 | Siena |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1895 cc | 1242 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 113 HP | 0 HP |
| Torque | 285 Nm | 102 Nm |
| Torque RPM | 1900 RPM | 3250 RPM |
| Engine Compression Ratio | 19.0:1 | 9.1:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 201 km/hour | 159 km/hour |
| Acceleration 0-100mph | 11.2 seconds | 13.5 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1390 kg | 1070 kg |
| Vehicle Length | 4550 mm | 3830 mm |
| Vehicle Width | 1780 mm | 1640 mm |
| Vehicle Height | 1430 mm | 1440 mm |
| Wheelbase Size | 2650 mm | 2380 mm |
| Fuel Consumption Overall | 5.6 L/100km | 7.8 L/100km |
| Fuel Tank Capacity | 70 L | 54 L |
