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2007 Lexus RX vs. 2005 Lexus IS

To start off, 2007 Lexus RX is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Lexus IS. In addition, the cost of maintenance, including insurance, on 2005 Lexus IS 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 119 more horse power than 2005 Lexus IS. (153 HP @ 6200 RPM). In normal driving conditions, 2007 Lexus RX should accelerate faster than 2005 Lexus IS. With that said, vehicle weight also plays an important factor in acceleration. 2007 Lexus RX weights approximately 455 kg more than 2005 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 2005 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 147 more torque (in Nm) than 2005 Lexus IS. (195 Nm @ 4600 RPM). This means 2007 Lexus RX will have an easier job in driving up hills or pulling heavy equipment than 2005 Lexus IS.

Compare all specifications:

2007 Lexus RX 2005 Lexus IS
Make Lexus Lexus
Model RX IS
Year Released 2007 2005
Body Type SUV Sedan
Engine Position Front Front
Engine Size 3456 cc 1988 cc
Engine Cylinders 6 cylinders 6 cylinders
Engine Type V in-line
Valves per Cylinder 4 valves 4 valves
Horse Power 272 HP 153 HP
Engine RPM 6200 RPM 6200 RPM
Torque 342 Nm 195 Nm
Torque RPM 4700 RPM 4600 RPM
Engine Compression Ratio 10.8:1 10.0:1
Fuel Type Gasoline - Premium Gasoline - Premium
Acceleration 0-100mph 7.8 seconds 9.5 seconds
Drive Type 4WD Rear
Number of Seats 5 seats 5 seats
Number of Doors 5 doors 4 doors
Vehicle Weight 1910 kg 1455 kg
Vehicle Length 4580 mm 4410 mm
Vehicle Width 1850 mm 1730 mm
Vehicle Height 1680 mm 1430 mm
Wheelbase Size 2730 mm 2680 mm
Fuel Consumption Overall 11.2 L/100km 9.9 L/100km
Fuel Tank Capacity 75 L 70 L


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