2004 Buick LeSabre vs. 2005 Kia Optima
To start off, 2005 Kia Optima is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Buick LeSabre. In addition, the cost of maintenance, including insurance, on 2004 Buick LeSabre would be higher. At 3,791 cc (6 cylinders), 2004 Buick LeSabre is equipped with a bigger engine. In terms of performance, 2004 Buick LeSabre (205 HP @ 5200 RPM) has 35 more horse power than 2005 Kia Optima. (170 HP @ 4000 RPM). In normal driving conditions, 2004 Buick LeSabre should accelerate faster than 2005 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2004 Buick LeSabre weights approximately 142 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.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2004 Buick LeSabre (312 Nm) has 67 more torque (in Nm) than 2005 Kia Optima. (245 Nm). This means 2004 Buick LeSabre will have an easier job in driving up hills or pulling heavy equipment than 2005 Kia Optima.
Compare all specifications:
| 2004 Buick LeSabre | 2005 Kia Optima | |
| Make | Buick | Kia |
| Model | LeSabre | Optima |
| Year Released | 2004 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 2670 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 205 HP | 170 HP |
| Engine RPM | 5200 RPM | 4000 RPM |
| Torque | 312 Nm | 245 Nm |
| Engine Bore Size | 97.1 mm | 87 mm |
| Engine Stroke Size | 86 mm | 75 mm |
| Engine Compression Ratio | 9.4:1 | 10.0:1 |
| Drive Type | Front | Front |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1629 kg | 1487 kg |
| Vehicle Length | 5090 mm | 4730 mm |
| Vehicle Width | 1870 mm | 1820 mm |
| Vehicle Height | 1450 mm | 1420 mm |
| Wheelbase Size | 2880 mm | 2640 mm |
| Fuel Consumption | 8.1 L/100km | 8.7 L/100km |
| Fuel Consumption City | 11.8 L/100km | 11.8 L/100km |
| Fuel Consumption Overall | 10.2 L/100km | 10.2 L/100km |
| Fuel Tank Capacity | 70 L | 65 L |
