2003 Infiniti Q45 vs. 2012 Chevrolet Silverado
To start off, 2012 Chevrolet Silverado is newer by 9 year(s). Which means there will be less support and parts availability for 2003 Infiniti Q45. In addition, the cost of maintenance, including insurance, on 2003 Infiniti Q45 would be higher. At 5,999 cc (8 cylinders), 2012 Chevrolet Silverado is equipped with a bigger engine. In terms of performance, 2003 Infiniti Q45 (340 HP @ 6400 RPM) has 17 more horse power than 2012 Chevrolet Silverado. (323 HP @ 4400 RPM). In normal driving conditions, 2003 Infiniti Q45 should accelerate faster than 2012 Chevrolet Silverado. With that said, vehicle weight also plays an important factor in acceleration. 2012 Chevrolet Silverado weights approximately 1165 kg more than 2003 Infiniti Q45.
Because 2012 Chevrolet Silverado is four wheel drive (4WD), it will have significant more traction and grip than 2003 Infiniti Q45. In wet, icy, snow, or gravel driving conditions, 2012 Chevrolet Silverado 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, 2012 Chevrolet Silverado (516 Nm @ 4200 RPM) has 65 more torque (in Nm) than 2003 Infiniti Q45. (451 Nm @ 4000 RPM). This means 2012 Chevrolet Silverado will have an easier job in driving up hills or pulling heavy equipment than 2003 Infiniti Q45.
Compare all specifications:
| 2003 Infiniti Q45 | 2012 Chevrolet Silverado | |
| Make | Infiniti | Chevrolet |
| Model | Q45 | Silverado |
| Year Released | 2003 | 2012 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 4494 cc | 5999 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 340 HP | 323 HP |
| Engine RPM | 6400 RPM | 4400 RPM |
| Torque | 451 Nm | 516 Nm |
| Torque RPM | 4000 RPM | 4200 RPM |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1804 kg | 2969 kg |
| Vehicle Length | 5080 mm | 6337 mm |
| Vehicle Width | 1850 mm | 2032 mm |
| Vehicle Height | 1500 mm | 1965 mm |
| Wheelbase Size | 2880 mm | 4018 mm |
| Fuel Tank Capacity | 81 L | 136 L |
