2007 Cadillac STS vs. 2005 Mazda 6
To start off, 2007 Cadillac STS is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Mazda 6. In addition, the cost of maintenance, including insurance, on 2005 Mazda 6 would be higher. At 4,565 cc (8 cylinders), 2007 Cadillac STS is equipped with a bigger engine. In terms of performance, 2007 Cadillac STS (320 HP @ 6400 RPM) has 202 more horse power than 2005 Mazda 6. (118 HP @ 5500 RPM). In normal driving conditions, 2007 Cadillac STS should accelerate faster than 2005 Mazda 6. With that said, vehicle weight also plays an important factor in acceleration. 2007 Cadillac STS weights approximately 293 kg more than 2005 Mazda 6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Cadillac STS 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 2007 Cadillac STS. However, in wet, icy, snow, or gravel driving conditions, 2005 Mazda 6, 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, 2007 Cadillac STS (427 Nm @ 4400 RPM) has 262 more torque (in Nm) than 2005 Mazda 6. (165 Nm @ 4500 RPM). This means 2007 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2005 Mazda 6. 2007 Cadillac STS has automatic transmission and 2005 Mazda 6 has manual transmission. 2005 Mazda 6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Cadillac STS | 2005 Mazda 6 | |
| Make | Cadillac | Mazda |
| Model | STS | 6 |
| Year Released | 2007 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 1798 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 320 HP | 118 HP |
| Engine RPM | 6400 RPM | 5500 RPM |
| Torque | 427 Nm | 165 Nm |
| Torque RPM | 4400 RPM | 4500 RPM |
| Engine Bore Size | 93 mm | 83 mm |
| Engine Stroke Size | 84 mm | 83.1 mm |
| Engine Compression Ratio | 10.5:1 | 11.0:1 |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1638 kg | 1345 kg |
| Vehicle Length | 4990 mm | 4690 mm |
| Vehicle Width | 1850 mm | 1790 mm |
| Vehicle Height | 1470 mm | 1440 mm |
| Wheelbase Size | 2960 mm | 2760 mm |
| Fuel Consumption Overall | 11.8 L/100km | 8.3 L/100km |
| Fuel Tank Capacity | 64 L | 64 L |
