2009 Chevrolet TrailBlazer vs. 2007 Fiat Siena
To start off, 2009 Chevrolet TrailBlazer 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 4,161 cc (6 cylinders), 2009 Chevrolet TrailBlazer is equipped with a bigger engine. In terms of performance, 2009 Chevrolet TrailBlazer (285 HP @ 6000 RPM) has 213 more horse power than 2007 Fiat Siena. (72 HP @ 6000 RPM). In normal driving conditions, 2009 Chevrolet TrailBlazer should accelerate faster than 2007 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2009 Chevrolet TrailBlazer weights approximately 196 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 Chevrolet TrailBlazer 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 Chevrolet TrailBlazer 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 Chevrolet TrailBlazer (374 Nm @ 4600 RPM) has 272 more torque (in Nm) than 2007 Fiat Siena. (102 Nm @ 3250 RPM). This means 2009 Chevrolet TrailBlazer will have an easier job in driving up hills or pulling heavy equipment than 2007 Fiat Siena. 2009 Chevrolet TrailBlazer 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 Chevrolet TrailBlazer will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Chevrolet TrailBlazer | 2007 Fiat Siena | |
| Make | Chevrolet | Fiat |
| Model | TrailBlazer | Siena |
| Year Released | 2009 | 2007 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4161 cc | 1242 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 285 HP | 72 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 374 Nm | 102 Nm |
| Torque RPM | 4600 RPM | 3250 RPM |
| Engine Compression Ratio | 10.7:1 | 9.1:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1266 kg | 1070 kg |
| Vehicle Length | 4880 mm | 3830 mm |
| Vehicle Width | 1900 mm | 1640 mm |
| Vehicle Height | 1850 mm | 1440 mm |
| Wheelbase Size | 2880 mm | 2380 mm |
| Fuel Consumption Overall | 14.7 L/100km | 7.8 L/100km |
| Fuel Tank Capacity | 83 L | 54 L |
