2005 Lexus IS vs. 2008 Lexus LS
To start off, 2008 Lexus LS 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 4,969 cc (8 cylinders), 2008 Lexus LS is equipped with a bigger engine. In terms of performance, 2008 Lexus LS (389 HP @ 6400 RPM) has 236 more horse power than 2005 Lexus IS. (153 HP @ 6200 RPM) In normal driving conditions, 2008 Lexus LS should accelerate faster than 2005 Lexus IS. With that said, vehicle weight also plays an important factor in acceleration. 2008 Lexus LS weights approximately 979 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 LS 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 LS 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 LS (522 Nm @ 4000 RPM) has 327 more torque (in Nm) than 2005 Lexus IS. (195 Nm @ 4600 RPM). This means 2008 Lexus LS will have an easier job in driving up hills or pulling heavy equipment than 2005 Lexus IS. 2008 Lexus LS 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. 2008 Lexus LS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Lexus IS | 2008 Lexus LS | |
| Make | Lexus | Lexus |
| Model | IS | LS |
| Year Released | 2005 | 2008 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1988 cc | 4969 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 153 HP | 389 HP |
| Engine RPM | 6200 RPM | 6400 RPM |
| Torque | 195 Nm | 522 Nm |
| Torque RPM | 4600 RPM | 4000 RPM |
| Engine Compression Ratio | 10.0:1 | 11.8:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 215 km/hour | 204 km/hour |
| Acceleration 0-100mph | 9.5 seconds | 6.3 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1506 kg | 2485 kg |
| Vehicle Length | 4510 mm | 5160 mm |
| Vehicle Width | 1730 mm | 1880 mm |
| Vehicle Height | 1440 mm | 1490 mm |
| Wheelbase Size | 2680 mm | 3100 mm |
| Fuel Consumption Overall | 9.9 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 70 L | 84 L |
