2007 Audi A4 vs. 2007 Fiat Siena
To start off, both 2007 Audi A4 and 2007 Fiat Siena were released in the same year (2007). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,967 cc, 2007 Audi A4 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (201 HP @ 4500 RPM) has 133 more horse power than 2007 Fiat Siena. (68 HP @ 4600 RPM). In normal driving conditions, 2007 Audi A4 should accelerate faster than 2007 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 615 kg more than 2007 Fiat Siena. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Fiat Siena. In wet, icy, snow, or gravel driving conditions, 2007 Audi A4 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 A4 (450 Nm @ 1400 RPM) has 315 more torque (in Nm) than 2007 Fiat Siena. (135 Nm @ 2500 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2007 Fiat Siena. 2007 Audi A4 has automatic transmission and 2007 Fiat Siena has manual transmission. 2007 Fiat Siena will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi A4 | 2007 Fiat Siena | |
| Make | Audi | Fiat |
| Model | A4 | Siena |
| Year Released | 2007 | 2007 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 1697 cc |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 201 HP | 68 HP |
| Engine RPM | 4500 RPM | 4600 RPM |
| Torque | 450 Nm | 135 Nm |
| Torque RPM | 1400 RPM | 2500 RPM |
| Engine Compression Ratio | 17.0:1 | 20.3:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 226 km/hour | 160 km/hour |
| Acceleration 0-100mph | 7.9 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 | 1705 kg | 1090 kg |
| Vehicle Length | 4590 mm | 4140 mm |
| Vehicle Width | 1780 mm | 1640 mm |
| Vehicle Height | 1430 mm | 1440 mm |
| Wheelbase Size | 2650 mm | 2380 mm |
| Fuel Consumption Overall | 8.3 L/100km | 6.9 L/100km |
| Fuel Tank Capacity | 66 L | 47 L |
