2009 Chevrolet Impala vs. 2003 Infiniti I
To start off, 2009 Chevrolet Impala is newer by 6 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 5,670 cc (8 cylinders), 2009 Chevrolet Impala is equipped with a bigger engine. In terms of performance, 2009 Chevrolet Impala (303 HP @ 5600 RPM) has 79 more horse power than 2003 Infiniti I. (224 HP @ 5600 RPM). In normal driving conditions, 2009 Chevrolet Impala should accelerate faster than 2003 Infiniti I. With that said, vehicle weight also plays an important factor in acceleration. 2009 Chevrolet Impala weights approximately 629 kg more than 2003 Infiniti I. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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 Chevrolet Impala (438 Nm @ 4000 RPM) has 168 more torque (in Nm) than 2003 Infiniti I. (270 Nm @ 4800 RPM). This means 2009 Chevrolet Impala will have an easier job in driving up hills or pulling heavy equipment than 2003 Infiniti I. 2009 Chevrolet Impala 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. 2009 Chevrolet Impala will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Chevrolet Impala | 2003 Infiniti I | |
| Make | Chevrolet | Infiniti |
| Model | Impala | I |
| Year Released | 2009 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 5670 cc | 2960 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 303 HP | 224 HP |
| Engine RPM | 5600 RPM | 5600 RPM |
| Torque | 438 Nm | 270 Nm |
| Torque RPM | 4000 RPM | 4800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Vehicle Weight | 2141 kg | 1512 kg |
| Vehicle Length | 5100 mm | 4930 mm |
| Vehicle Width | 1860 mm | 1790 mm |
| Vehicle Height | 1500 mm | 1450 mm |
| Wheelbase Size | 2810 mm | 2760 mm |
