2005 Lexus IS vs. 2009 Lexus GX
To start off, 2009 Lexus GX is newer by 4 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 4,670 cc (8 cylinders), 2009 Lexus GX is equipped with a bigger engine. In terms of performance, 2009 Lexus GX (263 HP @ 5400 RPM) has 110 more horse power than 2005 Lexus IS. (153 HP @ 6200 RPM) In normal driving conditions, 2009 Lexus GX should accelerate faster than 2005 Lexus IS. With that said, vehicle weight also plays an important factor in acceleration. 2009 Lexus GX weights approximately 234 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 2009 Lexus GX 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, 2009 Lexus GX 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, 2009 Lexus GX (438 Nm @ 3400 RPM) has 243 more torque (in Nm) than 2005 Lexus IS. (195 Nm @ 4600 RPM). This means 2009 Lexus GX will have an easier job in driving up hills or pulling heavy equipment than 2005 Lexus IS. 2009 Lexus GX has automatic transmission and 2005 Lexus IS has manual transmission. 2005 Lexus IS will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Lexus GX will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Lexus IS | 2009 Lexus GX | |
| Make | Lexus | Lexus |
| Model | IS | GX |
| Year Released | 2005 | 2009 |
| Body Type | Station Wagon | SUV |
| Engine Position | Front | Front |
| Engine Size | 1988 cc | 4670 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 153 HP | 263 HP |
| Engine RPM | 6200 RPM | 5400 RPM |
| Torque | 195 Nm | 438 Nm |
| Torque RPM | 4600 RPM | 3400 RPM |
| Engine Compression Ratio | 10.0:1 | 9.6:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 215 km/hour | 180 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1506 kg | 1740 kg |
| Vehicle Length | 4510 mm | 4790 mm |
| Vehicle Width | 1730 mm | 1890 mm |
| Vehicle Height | 1440 mm | 1900 mm |
| Wheelbase Size | 2680 mm | 2800 mm |
| Fuel Consumption Overall | 9.9 L/100km | 15.8 L/100km |
| Fuel Tank Capacity | 70 L | 87 L |
