2005 Buick Rainier vs. 2012 Kia Optima
To start off, 2012 Kia Optima is newer by 7 year(s). Which means there will be less support and parts availability for 2005 Buick Rainier. In addition, the cost of maintenance, including insurance, on 2005 Buick Rainier would be higher. At 4,163 cc (6 cylinders), 2005 Buick Rainier is equipped with a bigger engine. In terms of performance, 2005 Buick Rainier (276 HP @ 5200 RPM) has 76 more horse power than 2012 Kia Optima. (200 HP @ 6300 RPM). In normal driving conditions, 2005 Buick Rainier should accelerate faster than 2012 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2005 Buick Rainier weights approximately 550 kg more than 2012 Kia Optima. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Buick Rainier is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2005 Buick Rainier. However, in wet, icy, snow, or gravel driving conditions, 2012 Kia Optima, being front wheel drive (FWD), will offer much better control with better grip. 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, 2005 Buick Rainier (387 Nm) has 135 more torque (in Nm) than 2012 Kia Optima. (252 Nm). This means 2005 Buick Rainier will have an easier job in driving up hills or pulling heavy equipment than 2012 Kia Optima.
Compare all specifications:
| 2005 Buick Rainier | 2012 Kia Optima | |
| Make | Buick | Kia |
| Model | Rainier | Optima |
| Year Released | 2005 | 2012 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2400 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 276 HP | 200 HP |
| Engine RPM | 5200 RPM | 6300 RPM |
| Torque | 387 Nm | 252 Nm |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2004 kg | 1454 kg |
| Vehicle Length | 4920 mm | 4844 mm |
| Vehicle Width | 1920 mm | 1831 mm |
| Vehicle Height | 1900 mm | 1455 mm |
| Wheelbase Size | 2900 mm | 2797 mm |
| Fuel Consumption Highway | 11.2 L/100km | 6.7 L/100km |
| Fuel Consumption City | 14.7 L/100km | 9.8 L/100km |
| Fuel Tank Capacity | 83 L | 70 L |
