2007 Chevrolet TrailBlazer vs. 2003 Toyota Sienna
To start off, 2007 Chevrolet TrailBlazer is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Toyota Sienna. In addition, the cost of maintenance, including insurance, on 2003 Toyota Sienna would be higher. At 4,157 cc (6 cylinders), 2007 Chevrolet TrailBlazer is equipped with a bigger engine. In terms of performance, 2007 Chevrolet TrailBlazer (269 HP @ 5750 RPM) has 96 more horse power than 2003 Toyota Sienna. (173 HP @ 5400 RPM). In normal driving conditions, 2007 Chevrolet TrailBlazer should accelerate faster than 2003 Toyota Sienna. With that said, vehicle weight also plays an important factor in acceleration. 2007 Chevrolet TrailBlazer weights approximately 448 kg more than 2003 Toyota Sienna. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Chevrolet TrailBlazer is four wheel drive (4WD), it will have significant more traction and grip than 2003 Toyota Sienna. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Chevrolet TrailBlazer (373 Nm @ 3500 RPM) has 79 more torque (in Nm) than 2003 Toyota Sienna. (294 Nm @ 4300 RPM). This means 2007 Chevrolet TrailBlazer will have an easier job in driving up hills or pulling heavy equipment than 2003 Toyota Sienna.
Compare all specifications:
| 2007 Chevrolet TrailBlazer | 2003 Toyota Sienna | |
| Make | Chevrolet | Toyota |
| Model | TrailBlazer | Sienna |
| Year Released | 2007 | 2003 |
| Body Type | SUV | Minivan |
| Engine Position | Front | Front |
| Engine Size | 4157 cc | 2997 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 269 HP | 173 HP |
| Engine RPM | 5750 RPM | 5400 RPM |
| Torque | 373 Nm | 294 Nm |
| Torque RPM | 3500 RPM | 4300 RPM |
| Engine Compression Ratio | 10.0:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 2153 kg | 1705 kg |
| Vehicle Length | 4900 mm | 4920 mm |
| Vehicle Width | 1910 mm | 1870 mm |
| Vehicle Height | 1830 mm | 1720 mm |
| Wheelbase Size | 2880 mm | 2910 mm |
