2007 Kia Optima vs. 2007 Lexus RX
To start off, both 2007 Kia Optima and 2007 Lexus RX were released in the same year (2007). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 3,456 cc (6 cylinders), 2007 Lexus RX is equipped with a bigger engine. In terms of performance, 2007 Lexus RX (272 HP @ 6200 RPM) has 110 more horse power than 2007 Kia Optima. (162 HP @ 5800 RPM) In normal driving conditions, 2007 Lexus RX should accelerate faster than 2007 Kia Optima.
Because 2007 Lexus RX is four wheel drive (4WD), it will have significant more traction and grip than 2007 Kia Optima. In wet, icy, snow, or gravel driving conditions, 2007 Lexus RX 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 Lexus RX (342 Nm @ 4700 RPM) has 120 more torque (in Nm) than 2007 Kia Optima. (222 Nm @ 4260 RPM). This means 2007 Lexus RX will have an easier job in driving up hills or pulling heavy equipment than 2007 Kia Optima. 2007 Lexus RX has automatic transmission and 2007 Kia Optima has manual transmission. 2007 Kia Optima will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Lexus RX will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Kia Optima | 2007 Lexus RX | |
| Make | Kia | Lexus |
| Model | Optima | RX |
| Year Released | 2007 | 2007 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2399 cc | 3456 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 162 HP | 272 HP |
| Engine RPM | 5800 RPM | 6200 RPM |
| Torque | 222 Nm | 342 Nm |
| Torque RPM | 4260 RPM | 4700 RPM |
| Engine Compression Ratio | 10.5:1 | 10.8:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4740 mm | 4580 mm |
| Vehicle Width | 1810 mm | 1850 mm |
| Vehicle Height | 1490 mm | 1680 mm |
| Wheelbase Size | 2730 mm | 2730 mm |
| Fuel Tank Capacity | 65 L | 75 L |
