2003 Alfa Romeo 156 vs. 2005 Mercury Mariner
To start off, 2005 Mercury Mariner is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo 156 would be higher. At 2,262 cc (4 cylinders), 2005 Mercury Mariner is equipped with a bigger engine. In terms of performance, 2005 Mercury Mariner (153 HP) has 15 more horse power than 2003 Alfa Romeo 156. (138 HP) In normal driving conditions, 2005 Mercury Mariner should accelerate faster than 2003 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercury Mariner weights approximately 206 kg more than 2003 Alfa Romeo 156. 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 2003 Alfa Romeo 156. 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 Mercury Mariner (206 Nm) has 42 more torque (in Nm) than 2003 Alfa Romeo 156. (164 Nm). This means 2005 Mercury Mariner will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo 156.
Compare all specifications:
| 2003 Alfa Romeo 156 | 2005 Mercury Mariner | |
| Make | Alfa Romeo | Mercury |
| Model | 156 | Mariner |
| Year Released | 2003 | 2005 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 1774 cc | 2262 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 153 HP |
| Torque | 164 Nm | 206 Nm |
| Engine Bore Size | 82 mm | 87.1 mm |
| Engine Stroke Size | 82.7 mm | 94 mm |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1340 kg | 1546 kg |
| Vehicle Length | 4440 mm | 4430 mm |
| Vehicle Width | 1750 mm | 1790 mm |
| Vehicle Height | 1400 mm | 1730 mm |
| Wheelbase Size | 2600 mm | 2630 mm |
| Fuel Consumption Overall | 8.5 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 63 L | 62 L |
