2005 Lexus GS vs. 2011 Lexus IS
To start off, 2011 Lexus IS is newer by 6 year(s). Which means there will be less support and parts availability for 2005 Lexus GS. In addition, the cost of maintenance, including insurance, on 2005 Lexus GS would be higher. At 2,993 cc (6 cylinders), 2005 Lexus GS is equipped with a bigger engine. In terms of performance, 2005 Lexus GS (242 HP @ 6200 RPM) has 38 more horse power than 2011 Lexus IS. (204 HP @ 6400 RPM). In normal driving conditions, 2005 Lexus GS should accelerate faster than 2011 Lexus IS. With that said, vehicle weight also plays an important factor in acceleration. 2005 Lexus GS weights approximately 138 kg more than 2011 Lexus IS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 GS (312 Nm @ 3600 RPM) has 61 more torque (in Nm) than 2011 Lexus IS. (251 Nm @ 4800 RPM). This means 2005 Lexus GS will have an easier job in driving up hills or pulling heavy equipment than 2011 Lexus IS.
Compare all specifications:
| 2005 Lexus GS | 2011 Lexus IS | |
| Make | Lexus | Lexus |
| Model | GS | IS |
| Year Released | 2005 | 2011 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 2500 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 242 HP | 204 HP |
| Engine RPM | 6200 RPM | 6400 RPM |
| Torque | 312 Nm | 251 Nm |
| Torque RPM | 3600 RPM | 4800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | 6-speed automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1705 kg | 1567 kg |
| Vehicle Length | 4840 mm | 4585 mm |
| Vehicle Width | 1830 mm | 1801 mm |
| Vehicle Height | 1440 mm | 1440 mm |
| Wheelbase Size | 2720 mm | 2731 mm |
| Fuel Tank Capacity | 71 L | 65 L |
