2003 Cadillac CTS vs. 2005 Infiniti Q45
To start off, 2005 Infiniti Q45 is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Cadillac CTS. In addition, the cost of maintenance, including insurance, on 2003 Cadillac CTS would be higher. At 4,490 cc (8 cylinders), 2005 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 2005 Infiniti Q45 (340 HP) has 161 more horse power than 2003 Cadillac CTS. (179 HP) In normal driving conditions, 2005 Infiniti Q45 should accelerate faster than 2003 Cadillac CTS. With that said, vehicle weight also plays an important factor in acceleration. 2005 Infiniti Q45 weights approximately 217 kg more than 2003 Cadillac CTS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front 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, 2005 Infiniti Q45 (453 Nm) has 208 more torque (in Nm) than 2003 Cadillac CTS. (245 Nm). This means 2005 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 2003 Cadillac CTS. 2005 Infiniti Q45 has automatic transmission and 2003 Cadillac CTS has manual transmission. 2003 Cadillac CTS will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Infiniti Q45 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Cadillac CTS | 2005 Infiniti Q45 | |
| Make | Cadillac | Infiniti |
| Model | CTS | Q45 |
| Year Released | 2003 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2597 cc | 4490 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 179 HP | 340 HP |
| Torque | 245 Nm | 453 Nm |
| Engine Bore Size | 83.3 mm | 93 mm |
| Engine Stroke Size | 79.6 mm | 83 mm |
| Engine Compression Ratio | 10.2:1 | 10.5:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1620 kg | 1837 kg |
| Vehicle Length | 4840 mm | 5080 mm |
| Vehicle Width | 1800 mm | 1850 mm |
| Vehicle Height | 1450 mm | 1500 mm |
| Wheelbase Size | 2890 mm | 2880 mm |
| Fuel Tank Capacity | 64 L | 81 L |
