2007 Lexus IS vs. 2008 Lexus RX
To start off, 2008 Lexus RX is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Lexus IS. In addition, the cost of maintenance, including insurance, on 2007 Lexus IS would be higher. At 3,456 cc (6 cylinders), 2008 Lexus RX is equipped with a bigger engine. In terms of performance, 2008 Lexus RX (272 HP @ 6200 RPM) has 97 more horse power than 2007 Lexus IS. (175 HP @ 3600 RPM) In normal driving conditions, 2008 Lexus RX should accelerate faster than 2007 Lexus IS. With that said, vehicle weight also plays an important factor in acceleration. 2008 Lexus RX weights approximately 105 kg more than 2007 Lexus IS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Lexus RX is four wheel drive (4WD), it will have significant more traction and grip than 2007 Lexus IS. In wet, icy, snow, or gravel driving conditions, 2008 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 IS (400 Nm @ 2000 RPM) has 58 more torque (in Nm) than 2008 Lexus RX. (342 Nm @ 4700 RPM). This means 2007 Lexus IS will have an easier job in driving up hills or pulling heavy equipment than 2008 Lexus RX. 2008 Lexus RX has automatic transmission and 2007 Lexus IS has manual transmission. 2007 Lexus IS will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Lexus RX will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Lexus IS | 2008 Lexus RX | |
| Make | Lexus | Lexus |
| Model | IS | RX |
| Year Released | 2007 | 2008 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2231 cc | 3456 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 272 HP |
| Engine RPM | 3600 RPM | 6200 RPM |
| Torque | 400 Nm | 342 Nm |
| Torque RPM | 2000 RPM | 4700 RPM |
| Engine Compression Ratio | 15.8:1 | 10.8:1 |
| Fuel Type | Diesel | Gasoline |
| Acceleration 0-100mph | 8.9 seconds | 7.8 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1730 kg | 1835 kg |
| Vehicle Length | 4580 mm | 4750 mm |
| Vehicle Width | 1810 mm | 1850 mm |
| Vehicle Height | 1430 mm | 1680 mm |
| Wheelbase Size | 2740 mm | 2720 mm |
| Fuel Consumption Overall | 6.3 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 65 L | 72 L |
