2007 Cadillac STS vs. 2005 Mercury Sable
To start off, 2007 Cadillac STS is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Mercury Sable. In addition, the cost of maintenance, including insurance, on 2005 Mercury Sable 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 166 more horse power than 2005 Mercury Sable. (154 HP @ 4900 RPM). In normal driving conditions, 2007 Cadillac STS should accelerate faster than 2005 Mercury Sable. With that said, vehicle weight also plays an important factor in acceleration. 2007 Cadillac STS weights approximately 67 kg more than 2005 Mercury Sable. 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 Mercury Sable, 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 176 more torque (in Nm) than 2005 Mercury Sable. (251 Nm @ 3950 RPM). This means 2007 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2005 Mercury Sable.
Compare all specifications:
| 2007 Cadillac STS | 2005 Mercury Sable | |
| Make | Cadillac | Mercury |
| Model | STS | Sable |
| Year Released | 2007 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 2986 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 320 HP | 154 HP |
| Engine RPM | 6400 RPM | 4900 RPM |
| Torque | 427 Nm | 251 Nm |
| Torque RPM | 4400 RPM | 3950 RPM |
| Engine Bore Size | 93 mm | 89 mm |
| Engine Stroke Size | 84 mm | 79 mm |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1638 kg | 1571 kg |
| Vehicle Length | 4990 mm | 5100 mm |
| Vehicle Width | 1850 mm | 1860 mm |
| Vehicle Height | 1470 mm | 1420 mm |
| Wheelbase Size | 2960 mm | 2900 mm |
| Fuel Consumption City | 13.8 L/100km | 11.8 L/100km |
| Fuel Consumption Overall | 11.8 L/100km | 10.2 L/100km |
| Fuel Tank Capacity | 64 L | 85 L |
