2009 Cadillac DTS vs. 2003 Infiniti Q45
To start off, 2009 Cadillac DTS is newer by 6 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 4,565 cc (8 cylinders), 2009 Cadillac DTS is equipped with a bigger engine. In terms of performance, 2003 Infiniti Q45 (340 HP @ 6400 RPM) has 48 more horse power than 2009 Cadillac DTS. (292 HP @ 6300 RPM) In normal driving conditions, 2003 Infiniti Q45 should accelerate faster than 2009 Cadillac DTS. With that said, vehicle weight also plays an important factor in acceleration. 2003 Infiniti Q45 weights approximately 169 kg more than 2009 Cadillac DTS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Infiniti Q45 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2003 Infiniti Q45. However, in wet, icy, snow, or gravel driving conditions, 2009 Cadillac DTS, being front wheel drive (FWD), will offer much better control with better grip. 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 Q45 (451 Nm @ 4000 RPM) has 60 more torque (in Nm) than 2009 Cadillac DTS. (391 Nm @ 4500 RPM). This means 2003 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 2009 Cadillac DTS.
Compare all specifications:
| 2009 Cadillac DTS | 2003 Infiniti Q45 | |
| Make | Cadillac | Infiniti |
| Model | DTS | Q45 |
| Year Released | 2009 | 2003 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 4494 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 292 HP | 340 HP |
| Engine RPM | 6300 RPM | 6400 RPM |
| Torque | 391 Nm | 451 Nm |
| Torque RPM | 4500 RPM | 4000 RPM |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1635 kg | 1804 kg |
| Vehicle Length | 5280 mm | 5080 mm |
| Vehicle Width | 1910 mm | 1850 mm |
| Vehicle Height | 1470 mm | 1500 mm |
| Wheelbase Size | 2940 mm | 2880 mm |
| Fuel Tank Capacity | 68 L | 81 L |
