2009 Lexus IS vs. 2008 Mercedes-Benz R
To start off, 2009 Lexus IS is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Mercedes-Benz R. In addition, the cost of maintenance, including insurance, on 2008 Mercedes-Benz R would be higher. At 4,969 cc (8 cylinders), 2009 Lexus IS is equipped with a bigger engine. In terms of performance, 2009 Lexus IS (416 HP @ 6600 RPM) has 148 more horse power than 2008 Mercedes-Benz R. (268 HP @ 6000 RPM). In normal driving conditions, 2009 Lexus IS should accelerate faster than 2008 Mercedes-Benz R. With that said, vehicle weight also plays an important factor in acceleration. 2009 Lexus IS weights approximately 555 kg more than 2008 Mercedes-Benz R. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Mercedes-Benz R is four wheel drive (4WD), it will have significant more traction and grip than 2009 Lexus IS. In wet, icy, snow, or gravel driving conditions, 2008 Mercedes-Benz R 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 Lexus IS (503 Nm @ 5200 RPM) has 153 more torque (in Nm) than 2008 Mercedes-Benz R. (350 Nm @ 2400 RPM). This means 2009 Lexus IS will have an easier job in driving up hills or pulling heavy equipment than 2008 Mercedes-Benz R.
Compare all specifications:
| 2009 Lexus IS | 2008 Mercedes-Benz R | |
| Make | Lexus | Mercedes-Benz |
| Model | IS | R |
| Year Released | 2009 | 2008 |
| Body Type | Sedan | Minivan |
| Engine Position | Front | Front |
| Engine Size | 4969 cc | 3498 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 416 HP | 268 HP |
| Engine RPM | 6600 RPM | 6000 RPM |
| Torque | 503 Nm | 350 Nm |
| Torque RPM | 5200 RPM | 2400 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 6 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1700 kg | 1145 kg |
| Vehicle Length | 4670 mm | 5160 mm |
| Vehicle Width | 1820 mm | 1930 mm |
| Vehicle Height | 1420 mm | 1660 mm |
| Wheelbase Size | 2740 mm | 3220 mm |
| Fuel Consumption | 10.2 L/100km | 11.9 L/100km |
| Fuel Consumption City | 14.7 L/100km | 15.8 L/100km |
| Fuel Consumption Overall | 11.4 L/100km | 14 L/100km |
| Fuel Tank Capacity | 64 L | 80 L |
