2008 Cadillac STS vs. 2008 Mercury Mariner
To start off, both 2008 Cadillac STS and 2008 Mercury Mariner were released in the same year (2008). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,376 cc (8 cylinders), 2008 Cadillac STS is equipped with a bigger engine. In terms of performance, 2008 Cadillac STS (469 HP @ 6400 RPM) has 316 more horse power than 2008 Mercury Mariner. (153 HP @ 5800 RPM). In normal driving conditions, 2008 Cadillac STS should accelerate faster than 2008 Mercury Mariner. With that said, vehicle weight also plays an important factor in acceleration. 2008 Mercury Mariner weights approximately 272 kg more than 2008 Cadillac STS.
Because 2008 Cadillac STS is four wheel drive (4WD), it will have significant more traction and grip than 2008 Mercury Mariner. In wet, icy, snow, or gravel driving conditions, 2008 Cadillac STS 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, 2008 Cadillac STS (595 Nm @ 3900 RPM) has 389 more torque (in Nm) than 2008 Mercury Mariner. (206 Nm @ 4250 RPM). This means 2008 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2008 Mercury Mariner.
Compare all specifications:
| 2008 Cadillac STS | 2008 Mercury Mariner | |
| Make | Cadillac | Mercury |
| Model | STS | Mariner |
| Year Released | 2008 | 2008 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4376 cc | 2298 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 469 HP | 153 HP |
| Engine RPM | 6400 RPM | 5800 RPM |
| Torque | 595 Nm | 206 Nm |
| Torque RPM | 3900 RPM | 4250 RPM |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1560 kg | 1832 kg |
| Vehicle Length | 5030 mm | 4460 mm |
| Vehicle Width | 1850 mm | 1810 mm |
| Vehicle Height | 1480 mm | 1730 mm |
| Wheelbase Size | 2960 mm | 2630 mm |
| Fuel Consumption City | 18.1 L/100km | 11.8 L/100km |
| Fuel Consumption Overall | 15.7 L/100km | 10.7 L/100km |
| Fuel Tank Capacity | 64 L | 78 L |
