2003 Infiniti M vs. 2009 Lexus RX
To start off, 2009 Lexus RX is newer by 6 year(s). Which means there will be less support and parts availability for 2003 Infiniti M. In addition, the cost of maintenance, including insurance, on 2003 Infiniti M would be higher. At 4,494 cc (8 cylinders), 2003 Infiniti M is equipped with a bigger engine. In terms of performance, 2003 Infiniti M (340 HP @ 6400 RPM) has 70 more horse power than 2009 Lexus RX. (270 HP @ 6200 RPM). In normal driving conditions, 2003 Infiniti M should accelerate faster than 2009 Lexus RX. With that said, vehicle weight also plays an important factor in acceleration. 2009 Lexus RX weights approximately 163 kg more than 2003 Infiniti M.
Because 2009 Lexus RX is four wheel drive (4WD), it will have significant more traction and grip than 2003 Infiniti M. In wet, icy, snow, or gravel driving conditions, 2009 Lexus RX 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, 2003 Infiniti M (451 Nm @ 4000 RPM) has 111 more torque (in Nm) than 2009 Lexus RX. (340 Nm @ 4700 RPM). This means 2003 Infiniti M will have an easier job in driving up hills or pulling heavy equipment than 2009 Lexus RX.
Compare all specifications:
2003 Infiniti M | 2009 Lexus RX | |
Make | Infiniti | Lexus |
Model | M | RX |
Year Released | 2003 | 2009 |
Body Type | Sedan | SUV |
Engine Position | Front | Front |
Engine Size | 4494 cc | 3439 cc |
Engine Cylinders | 8 cylinders | 6 cylinders |
Engine Type | V | V |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 340 HP | 270 HP |
Engine RPM | 6400 RPM | 6200 RPM |
Torque | 451 Nm | 340 Nm |
Torque RPM | 4000 RPM | 4700 RPM |
Engine Bore Size | 93 mm | 87.5 mm |
Engine Stroke Size | 82.7 mm | 96 mm |
Engine Compression Ratio | 10.5:1 | 10.8:1 |
Fuel Type | Gasoline | Gasoline |
Drive Type | Rear | 4WD |
Transmission Type | Automatic | Automatic |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 5 doors |
Vehicle Weight | 1747 kg | 1910 kg |
Vehicle Length | 5020 mm | 4740 mm |
Vehicle Width | 1780 mm | 1850 mm |
Vehicle Height | 1470 mm | 1690 mm |
Wheelbase Size | 2810 mm | 2720 mm |
Fuel Tank Capacity | 79 L | 73 L |