2007 Lexus IS vs. 2009 Lexus LS
To start off, 2009 Lexus LS is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Lexus IS. In addition, the cost of maintenance, including insurance, on 2007 Lexus IS would be higher. At 4,605 cc (8 cylinders), 2009 Lexus LS is equipped with a bigger engine. In terms of performance, 2009 Lexus LS (381 HP @ 6400 RPM) has 176 more horse power than 2007 Lexus IS. (205 HP @ 6400 RPM) In normal driving conditions, 2009 Lexus LS should accelerate faster than 2007 Lexus IS. With that said, vehicle weight also plays an important factor in acceleration. 2009 Lexus LS weights approximately 205 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.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 LS (498 Nm @ 4100 RPM) has 246 more torque (in Nm) than 2007 Lexus IS. (252 Nm @ 3800 RPM). This means 2009 Lexus LS will have an easier job in driving up hills or pulling heavy equipment than 2007 Lexus IS. 2009 Lexus LS has automatic transmission and 2007 Lexus IS has manual transmission. 2007 Lexus IS will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Lexus LS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Lexus IS | 2009 Lexus LS | |
| Make | Lexus | Lexus |
| Model | IS | LS |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2491 cc | 4605 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 205 HP | 381 HP |
| Engine RPM | 6400 RPM | 6400 RPM |
| Torque | 252 Nm | 498 Nm |
| Torque RPM | 3800 RPM | 4100 RPM |
| Engine Bore Size | 83 mm | 94 mm |
| Engine Stroke Size | 77 mm | 83 mm |
| Engine Compression Ratio | 12.0:1 | 11.8:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1560 kg | 1765 kg |
| Vehicle Length | 4580 mm | 5160 mm |
| Vehicle Width | 1810 mm | 1880 mm |
| Vehicle Height | 1430 mm | 1480 mm |
| Wheelbase Size | 2740 mm | 3100 mm |
| Fuel Consumption | 8.1 L/100km | 9.8 L/100km |
| Fuel Consumption City | 11.8 L/100km | 14.7 L/100km |
| Fuel Consumption Overall | 9.3 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 65 L | 84 L |
