2008 Lexus GX vs. 2005 Lexus IS
To start off, 2008 Lexus GX is newer by 3 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 4,669 cc (8 cylinders), 2008 Lexus GX is equipped with a bigger engine. In terms of performance, 2008 Lexus GX (263 HP @ 5400 RPM) has 110 more horse power than 2005 Lexus IS. (153 HP @ 6200 RPM). In normal driving conditions, 2008 Lexus GX should accelerate faster than 2005 Lexus IS. With that said, vehicle weight also plays an important factor in acceleration. 2008 Lexus GX weights approximately 285 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 2008 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, 2008 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, 2008 Lexus GX (438 Nm @ 3400 RPM) has 243 more torque (in Nm) than 2005 Lexus IS. (195 Nm @ 4600 RPM). This means 2008 Lexus GX will have an easier job in driving up hills or pulling heavy equipment than 2005 Lexus IS.
Compare all specifications:
| 2008 Lexus GX | 2005 Lexus IS | |
| Make | Lexus | Lexus |
| Model | GX | IS |
| Year Released | 2008 | 2005 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4669 cc | 1988 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 263 HP | 153 HP |
| Engine RPM | 5400 RPM | 6200 RPM |
| Torque | 438 Nm | 195 Nm |
| Torque RPM | 3400 RPM | 4600 RPM |
| Engine Compression Ratio | 10.0:1 | 10.0:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 8 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1740 kg | 1455 kg |
| Vehicle Length | 4790 mm | 4410 mm |
| Vehicle Width | 1890 mm | 1730 mm |
| Vehicle Height | 1900 mm | 1430 mm |
| Wheelbase Size | 2800 mm | 2680 mm |
| Fuel Consumption Overall | 12.4 L/100km | 9.9 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
