2005 Cadillac STS vs. 2005 Mercury Mariner
To start off, both 2005 Cadillac STS and 2005 Mercury Mariner were released in the same year (2005). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,565 cc (8 cylinders), 2005 Cadillac STS is equipped with a bigger engine. In terms of performance, 2005 Cadillac STS (321 HP) has 121 more horse power than 2005 Mercury Mariner. (200 HP). In normal driving conditions, 2005 Cadillac STS should accelerate faster than 2005 Mercury Mariner. With that said, vehicle weight also plays an important factor in acceleration. 2005 Cadillac STS weights approximately 246 kg more than 2005 Mercury Mariner. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Mercury Mariner is four wheel drive (4WD), it will have significant more traction and grip than 2005 Cadillac STS. In wet, icy, snow, or gravel driving conditions, 2005 Mercury Mariner 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, 2005 Cadillac STS (427 Nm) has 164 more torque (in Nm) than 2005 Mercury Mariner. (263 Nm). This means 2005 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2005 Mercury Mariner.
Compare all specifications:
| 2005 Cadillac STS | 2005 Mercury Mariner | |
| Make | Cadillac | Mercury |
| Model | STS | Mariner |
| Year Released | 2005 | 2005 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 2999 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 321 HP | 200 HP |
| Torque | 427 Nm | 263 Nm |
| Engine Bore Size | 93.1 mm | 89 mm |
| Engine Stroke Size | 84 mm | 80 mm |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1817 kg | 1571 kg |
| Vehicle Length | 4990 mm | 4430 mm |
| Vehicle Width | 1850 mm | 1790 mm |
| Vehicle Height | 1470 mm | 1730 mm |
| Wheelbase Size | 2960 mm | 2630 mm |
| Fuel Consumption | 9.1 L/100km | 10.2 L/100km |
| Fuel Consumption City | 13.8 L/100km | 13.1 L/100km |
| Fuel Consumption Overall | 11.8 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 66 L | 62 L |
