2006 Buick Rainier vs. 2009 Kia Optima
To start off, 2009 Kia Optima is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Buick Rainier. In addition, the cost of maintenance, including insurance, on 2006 Buick Rainier would be higher. At 4,194 cc, 2006 Buick Rainier is equipped with a bigger engine. In terms of performance, 2006 Buick Rainier (271 HP @ 6000 RPM) has 98 more horse power than 2009 Kia Optima. (173 HP @ 6000 RPM). In normal driving conditions, 2006 Buick Rainier should accelerate faster than 2009 Kia Optima.
Because 2006 Buick Rainier is four wheel drive (4WD), it will have significant more traction and grip than 2009 Kia Optima. In wet, icy, snow, or gravel driving conditions, 2006 Buick Rainier 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, 2006 Buick Rainier (376 Nm @ 3600 RPM) has 207 more torque (in Nm) than 2009 Kia Optima. (169 Nm @ 4000 RPM). This means 2006 Buick Rainier will have an easier job in driving up hills or pulling heavy equipment than 2009 Kia Optima. 2006 Buick Rainier has automatic transmission and 2009 Kia Optima has manual transmission. 2009 Kia Optima will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Buick Rainier will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Buick Rainier | 2009 Kia Optima | |
| Make | Buick | Kia |
| Model | Rainier | Optima |
| Year Released | 2006 | 2009 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4194 cc | 2399 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 271 HP | 173 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 376 Nm | 169 Nm |
| Torque RPM | 3600 RPM | 4000 RPM |
| Engine Bore Size | 93 mm | 91 mm |
| Engine Stroke Size | 102 mm | 96 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4920 mm | 4810 mm |
| Vehicle Width | 1920 mm | 1810 mm |
| Vehicle Height | 1900 mm | 1490 mm |
| Wheelbase Size | 2880 mm | 2730 mm |
| Fuel Tank Capacity | 83 L | 62 L |
