2008 Acura RDX vs. 2003 Infiniti I
To start off, 2008 Acura RDX is newer by 5 year(s). Which means there will be less support and parts availability for 2003 Infiniti I. In addition, the cost of maintenance, including insurance, on 2003 Infiniti I would be higher. At 2,960 cc (6 cylinders), 2003 Infiniti I is equipped with a bigger engine. In terms of performance, 2008 Acura RDX (240 HP @ 6000 RPM) has 16 more horse power than 2003 Infiniti I. (224 HP @ 5600 RPM). In normal driving conditions, 2008 Acura RDX should accelerate faster than 2003 Infiniti I. With that said, vehicle weight also plays an important factor in acceleration. 2003 Infiniti I weights approximately 62 kg more than 2008 Acura RDX.
Because 2008 Acura RDX is four wheel drive (4WD), it will have significant more traction and grip than 2003 Infiniti I. 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, 2008 Acura RDX (353 Nm @ 4500 RPM) has 83 more torque (in Nm) than 2003 Infiniti I. (270 Nm @ 4800 RPM). This means 2008 Acura RDX will have an easier job in driving up hills or pulling heavy equipment than 2003 Infiniti I. 2008 Acura RDX has automatic transmission and 2003 Infiniti I has manual transmission. 2003 Infiniti I will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Acura RDX will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Acura RDX | 2003 Infiniti I | |
| Make | Acura | Infiniti |
| Model | RDX | I |
| Year Released | 2008 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 2299 cc | 2960 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 240 HP | 224 HP |
| Engine RPM | 6000 RPM | 5600 RPM |
| Torque | 353 Nm | 270 Nm |
| Torque RPM | 4500 RPM | 4800 RPM |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Vehicle Weight | 1450 kg | 1512 kg |
| Vehicle Length | 4600 mm | 4930 mm |
| Vehicle Width | 1880 mm | 1790 mm |
| Vehicle Height | 1660 mm | 1450 mm |
| Wheelbase Size | 2660 mm | 2760 mm |
