2007 Lexus RX vs. 2012 Lexus IS
To start off, 2012 Lexus IS is newer by 5 year(s). Which means there will be less support and parts availability for 2007 Lexus RX. In addition, the cost of maintenance, including insurance, on 2007 Lexus RX would be higher. 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 122 more horse power than 2012 Lexus IS. (150 HP @ 3600 RPM). In normal driving conditions, 2007 Lexus RX should accelerate faster than 2012 Lexus IS. With that said, vehicle weight also plays an important factor in acceleration. 2007 Lexus RX weights approximately 365 kg more than 2012 Lexus IS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Lexus RX is four wheel drive (4WD), it will have significant more traction and grip than 2012 Lexus IS. 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 2 more torque (in Nm) than 2012 Lexus IS. (340 Nm @ 2000 RPM). This means 2007 Lexus RX will have an easier job in driving up hills or pulling heavy equipment than 2012 Lexus IS.
Compare all specifications:
| 2007 Lexus RX | 2012 Lexus IS | |
| Make | Lexus | Lexus |
| Model | RX | IS |
| Year Released | 2007 | 2012 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3456 cc | 2231 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 272 HP | 150 HP |
| Engine RPM | 6200 RPM | 3600 RPM |
| Torque | 342 Nm | 340 Nm |
| Torque RPM | 4700 RPM | 2000 RPM |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 195 km/hour | 204 km/hour |
| Acceleration 0-100mph | 7.8 seconds | 10.2 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | 6-speed shiftable automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1910 kg | 1545 kg |
| Vehicle Length | 4580 mm | 4585 mm |
| Vehicle Width | 1850 mm | 1801 mm |
| Vehicle Height | 1680 mm | 1440 mm |
| Wheelbase Size | 2730 mm | 2731 mm |
| Fuel Tank Capacity | 75 L | 65 L |
