2003 Alfa Romeo 166 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 166. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo 166 would be higher. At 2,999 cc (6 cylinders), 2005 Mercury Mariner is equipped with a bigger engine. In terms of performance, 2005 Mercury Mariner (200 HP) has 27 more horse power than 2003 Alfa Romeo 166. (173 HP) In normal driving conditions, 2005 Mercury Mariner should accelerate faster than 2003 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alfa Romeo 166 weights approximately 9 kg more than 2005 Mercury Mariner.
Because 2005 Mercury Mariner is four wheel drive (4WD), it will have significant more traction and grip than 2003 Alfa Romeo 166. 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, 2003 Alfa Romeo 166 (330 Nm) has 67 more torque (in Nm) than 2005 Mercury Mariner. (263 Nm). This means 2003 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 2005 Mercury Mariner.
Compare all specifications:
| 2003 Alfa Romeo 166 | 2005 Mercury Mariner | |
| Make | Alfa Romeo | Mercury |
| Model | 166 | Mariner |
| Year Released | 2003 | 2005 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 2999 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 173 HP | 200 HP |
| Torque | 330 Nm | 263 Nm |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1580 kg | 1571 kg |
| Vehicle Length | 4730 mm | 4430 mm |
| Vehicle Width | 1810 mm | 1790 mm |
| Vehicle Height | 1420 mm | 1730 mm |
| Wheelbase Size | 2710 mm | 2630 mm |
| Fuel Consumption | 6.9 L/100km | 10.2 L/100km |
| Fuel Consumption City | 12.1 L/100km | 13.1 L/100km |
| Fuel Consumption Overall | 8.9 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 69 L | 62 L |
