2008 Acura RDX vs. 2011 Lexus IS
To start off, 2011 Lexus IS is newer by 3 year(s). Which means there will be less support and parts availability for 2008 Acura RDX. In addition, the cost of maintenance, including insurance, on 2008 Acura RDX would be higher. At 5,000 cc (8 cylinders), 2011 Lexus IS is equipped with a bigger engine. In terms of performance, 2011 Lexus IS (416 HP @ 6600 RPM) has 176 more horse power than 2008 Acura RDX. (240 HP @ 6000 RPM) In normal driving conditions, 2011 Lexus IS should accelerate faster than 2008 Acura RDX. With that said, vehicle weight also plays an important factor in acceleration. 2011 Lexus IS weights approximately 265 kg more than 2008 Acura RDX. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Acura RDX is four wheel drive (4WD), it will have significant more traction and grip than 2011 Lexus IS. In wet, icy, snow, or gravel driving conditions, 2008 Acura RDX 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, 2011 Lexus IS (502 Nm @ 5200 RPM) has 149 more torque (in Nm) than 2008 Acura RDX. (353 Nm @ 4500 RPM). This means 2011 Lexus IS will have an easier job in driving up hills or pulling heavy equipment than 2008 Acura RDX.
Compare all specifications:
| 2008 Acura RDX | 2011 Lexus IS | |
| Make | Acura | Lexus |
| Model | RDX | IS |
| Year Released | 2008 | 2011 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2299 cc | 5000 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 240 HP | 416 HP |
| Engine RPM | 6000 RPM | 6600 RPM |
| Torque | 353 Nm | 502 Nm |
| Torque RPM | 4500 RPM | 5200 RPM |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1450 kg | 1715 kg |
| Vehicle Length | 4600 mm | 4661 mm |
| Vehicle Width | 1880 mm | 1816 mm |
| Vehicle Height | 1660 mm | 1415 mm |
| Wheelbase Size | 2660 mm | 2728 mm |
| Fuel Consumption Highway | 10.7 L/100km | 10.2 L/100km |
| Fuel Consumption City | 13.8 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 68 L | 64 L |
