2009 Audi TT vs. 2010 Fiat Siena
To start off, 2010 Fiat Siena is newer by 1 year(s). Which means there will be less support and parts availability for 2009 Audi TT. In addition, the cost of maintenance, including insurance, on 2009 Audi TT would be higher. At 1,968 cc (4 cylinders), 2009 Audi TT is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi TT weights approximately 325 kg more than 2010 Fiat Siena.
Because 2009 Audi TT is four wheel drive (4WD), it will have significant more traction and grip than 2010 Fiat Siena. In wet, icy, snow, or gravel driving conditions, 2009 Audi TT 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, 2009 Audi TT (350 Nm @ 1750 RPM) has 215 more torque (in Nm) than 2010 Fiat Siena. (135 Nm @ 2500 RPM). This means 2009 Audi TT will have an easier job in driving up hills or pulling heavy equipment than 2010 Fiat Siena.
Compare all specifications:
| 2009 Audi TT | 2010 Fiat Siena | |
| Make | Audi | Fiat |
| Model | TT | Siena |
| Year Released | 2009 | 2010 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 1697 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 168 HP | 0 HP |
| Torque | 350 Nm | 135 Nm |
| Torque RPM | 1750 RPM | 2500 RPM |
| Engine Compression Ratio | 16.5:1 | 20.3:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 218 km/hour | 160 km/hour |
| Acceleration 0-100mph | 7.7 seconds | 16.3 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1415 kg | 1090 kg |
| Vehicle Length | 4180 mm | 4140 mm |
| Vehicle Width | 1850 mm | 1640 mm |
| Vehicle Height | 1360 mm | 1440 mm |
| Wheelbase Size | 2470 mm | 2380 mm |
| Fuel Consumption Overall | 5.5 L/100km | 6.9 L/100km |
| Fuel Tank Capacity | 60 L | 47 L |
