2005 Lexus IS vs. 2006 Lexus IS
To start off, 2006 Lexus IS is newer by 1 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 2,491 cc (6 cylinders), 2006 Lexus IS is equipped with a bigger engine. In terms of performance, 2006 Lexus IS (205 HP @ 6400 RPM) has 52 more horse power than 2005 Lexus IS. (153 HP @ 6200 RPM) In normal driving conditions, 2006 Lexus IS should accelerate faster than 2005 Lexus IS. With that said, vehicle weight also plays an important factor in acceleration. 2006 Lexus IS weights approximately 41 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 2006 Lexus IS 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, 2006 Lexus IS 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, 2006 Lexus IS (251 Nm @ 4800 RPM) has 56 more torque (in Nm) than 2005 Lexus IS. (195 Nm @ 4600 RPM). This means 2006 Lexus IS will have an easier job in driving up hills or pulling heavy equipment than 2005 Lexus IS.
Compare all specifications:
| 2005 Lexus IS | 2006 Lexus IS | |
| Make | Lexus | Lexus |
| Model | IS | IS |
| Year Released | 2005 | 2006 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1988 cc | 2491 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 153 HP | 205 HP |
| Engine RPM | 6200 RPM | 6400 RPM |
| Torque | 195 Nm | 251 Nm |
| Torque RPM | 4600 RPM | 4800 RPM |
| Engine Bore Size | 75 mm | 91.4 mm |
| Engine Stroke Size | 75 mm | 86 mm |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1506 kg | 1547 kg |
| Vehicle Length | 4510 mm | 4580 mm |
| Vehicle Width | 1730 mm | 1810 mm |
| Vehicle Height | 1440 mm | 1450 mm |
| Wheelbase Size | 2680 mm | 2740 mm |
| Fuel Consumption Overall | 9.9 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 70 L | 65 L |
