2008 Chevrolet TrailBlazer vs. 2005 Kia Optima
To start off, 2008 Chevrolet TrailBlazer is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Kia Optima. In addition, the cost of maintenance, including insurance, on 2005 Kia Optima would be higher. At 4,156 cc (6 cylinders), 2008 Chevrolet TrailBlazer is equipped with a bigger engine. In terms of performance, 2008 Chevrolet TrailBlazer (269 HP @ 5750 RPM) has 131 more horse power than 2005 Kia Optima. (138 HP @ 3800 RPM). In normal driving conditions, 2008 Chevrolet TrailBlazer should accelerate faster than 2005 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2008 Chevrolet TrailBlazer weights approximately 665 kg more than 2005 Kia Optima. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Chevrolet TrailBlazer is four wheel drive (4WD), it will have significant more traction and grip than 2005 Kia Optima. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 Chevrolet TrailBlazer (373 Nm) has 174 more torque (in Nm) than 2005 Kia Optima. (199 Nm). This means 2008 Chevrolet TrailBlazer will have an easier job in driving up hills or pulling heavy equipment than 2005 Kia Optima.
Compare all specifications:
| 2008 Chevrolet TrailBlazer | 2005 Kia Optima | |
| Make | Chevrolet | Kia |
| Model | TrailBlazer | Optima |
| Year Released | 2008 | 2005 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4156 cc | 2360 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 269 HP | 138 HP |
| Engine RPM | 5750 RPM | 3800 RPM |
| Torque | 373 Nm | 199 Nm |
| Engine Bore Size | 93 mm | 87 mm |
| Engine Stroke Size | 102 mm | 100 mm |
| Engine Compression Ratio | 10.0:1 | 10.0:1 |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2153 kg | 1488 kg |
| Vehicle Length | 4900 mm | 4730 mm |
| Vehicle Width | 1910 mm | 1820 mm |
| Vehicle Height | 1830 mm | 1420 mm |
| Wheelbase Size | 2880 mm | 2710 mm |
| Fuel Consumption Overall | 13 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 71 L | 65 L |
