2007 Fiat Siena vs. 2009 Audi TT
To start off, 2009 Audi TT is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Fiat Siena. In addition, the cost of maintenance, including insurance, on 2007 Fiat Siena would be higher. At 3,189 cc (6 cylinders), 2009 Audi TT is equipped with a bigger engine. In terms of performance, 2009 Audi TT (247 HP @ 6300 RPM) has 147 more horse power than 2007 Fiat Siena. (100 HP @ 5500 RPM) In normal driving conditions, 2009 Audi TT should accelerate faster than 2007 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi TT weights approximately 420 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 2009 Audi TT 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, 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 (320 Nm @ 2500 RPM) has 180 more torque (in Nm) than 2007 Fiat Siena. (140 Nm @ 4000 RPM). This means 2009 Audi TT will have an easier job in driving up hills or pulling heavy equipment than 2007 Fiat Siena. 2009 Audi TT 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. 2009 Audi TT will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Fiat Siena | 2009 Audi TT | |
| Make | Fiat | Audi |
| Model | Siena | TT |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1581 cc | 3189 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 100 HP | 247 HP |
| Engine RPM | 5500 RPM | 6300 RPM |
| Torque | 140 Nm | 320 Nm |
| Torque RPM | 4000 RPM | 2500 RPM |
| Engine Compression Ratio | 9.5:1 | 11.3:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 179 km/hour | 250 km/hour |
| Acceleration 0-100mph | 11.5 seconds | 6.2 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1070 kg | 1490 kg |
| Vehicle Width | 1640 mm | 1850 mm |
| Wheelbase Size | 2380 mm | 2470 mm |
| Fuel Consumption Overall | 8.2 L/100km | 9.5 L/100km |
| Fuel Tank Capacity | 54 L | 60 L |
