2007 Lexus IS vs. 2005 Lexus GX
To start off, 2007 Lexus IS is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Lexus GX. In addition, the cost of maintenance, including insurance, on 2005 Lexus GX would be higher. At 4,664 cc (8 cylinders), 2005 Lexus GX is equipped with a bigger engine. In terms of performance, 2005 Lexus GX (232 HP @ 4800 RPM) has 27 more horse power than 2007 Lexus IS. (205 HP @ 6400 RPM) In normal driving conditions, 2005 Lexus GX should accelerate faster than 2007 Lexus IS. With that said, vehicle weight also plays an important factor in acceleration. 2005 Lexus GX weights approximately 560 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 2005 Lexus GX 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, 2005 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, 2005 Lexus GX (434 Nm @ 3400 RPM) has 182 more torque (in Nm) than 2007 Lexus IS. (252 Nm @ 3800 RPM). This means 2005 Lexus GX will have an easier job in driving up hills or pulling heavy equipment than 2007 Lexus IS.
Compare all specifications:
| 2007 Lexus IS | 2005 Lexus GX | |
| Make | Lexus | Lexus |
| Model | IS | GX |
| Year Released | 2007 | 2005 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2491 cc | 4664 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 205 HP | 232 HP |
| Engine RPM | 6400 RPM | 4800 RPM |
| Torque | 252 Nm | 434 Nm |
| Torque RPM | 3800 RPM | 3400 RPM |
| Engine Bore Size | 83 mm | 94.1 mm |
| Engine Stroke Size | 77 mm | 84 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1560 kg | 2120 kg |
| Vehicle Length | 4580 mm | 4790 mm |
| Vehicle Width | 1810 mm | 1890 mm |
| Vehicle Height | 1430 mm | 1900 mm |
| Wheelbase Size | 2740 mm | 2800 mm |
