2009 Audi RS6 vs. 2005 Lexus IS
To start off, 2009 Audi RS6 is newer by 4 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 4,991 cc (10 cylinders), 2009 Audi RS6 is equipped with a bigger engine. In terms of performance, 2009 Audi RS6 (572 HP @ 6250 RPM) has 419 more horse power than 2005 Lexus IS. (153 HP @ 6200 RPM). In normal driving conditions, 2009 Audi RS6 should accelerate faster than 2005 Lexus IS. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi RS6 weights approximately 522 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 2009 Audi RS6 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, 2009 Audi RS6 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, 2009 Audi RS6 (650 Nm @ 1500 RPM) has 455 more torque (in Nm) than 2005 Lexus IS. (195 Nm @ 4600 RPM). This means 2009 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 2005 Lexus IS. 2009 Audi RS6 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. 2009 Audi RS6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi RS6 | 2005 Lexus IS | |
| Make | Audi | Lexus |
| Model | RS6 | IS |
| Year Released | 2009 | 2005 |
| Body Type | Station Wagon | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4991 cc | 1988 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 572 HP | 153 HP |
| Engine RPM | 6250 RPM | 6200 RPM |
| Torque | 650 Nm | 195 Nm |
| Torque RPM | 1500 RPM | 4600 RPM |
| Engine Bore Size | 84.5 mm | 75 mm |
| Engine Stroke Size | 89 mm | 75 mm |
| Engine Compression Ratio | 10.5:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 280 km/hour | 215 km/hour |
| Acceleration 0-100mph | 4.6 seconds | 9.5 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 2028 kg | 1506 kg |
| Vehicle Length | 4930 mm | 4510 mm |
| Vehicle Width | 1900 mm | 1730 mm |
| Vehicle Height | 1470 mm | 1440 mm |
| Wheelbase Size | 2850 mm | 2680 mm |
| Fuel Consumption Overall | 14 L/100km | 9.9 L/100km |
| Fuel Tank Capacity | 80 L | 70 L |
