2007 Alfa Romeo 166 vs. 2009 Mercury Mariner
To start off, 2009 Mercury Mariner is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 2007 Alfa Romeo 166 would be higher. At 2,959 cc (6 cylinders), 2007 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 2007 Alfa Romeo 166 (217 HP @ 6300 RPM) has 46 more horse power than 2009 Mercury Mariner. (171 HP @ 6000 RPM). In normal driving conditions, 2007 Alfa Romeo 166 should accelerate faster than 2009 Mercury Mariner. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercury Mariner weights approximately 371 kg more than 2007 Alfa Romeo 166.
Because 2009 Mercury Mariner is four wheel drive (4WD), it will have significant more traction and grip than 2007 Alfa Romeo 166. In wet, icy, snow, or gravel driving conditions, 2009 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, 2007 Alfa Romeo 166 (265 Nm @ 5000 RPM) has 33 more torque (in Nm) than 2009 Mercury Mariner. (232 Nm @ 4500 RPM). This means 2007 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 2009 Mercury Mariner.
Compare all specifications:
| 2007 Alfa Romeo 166 | 2009 Mercury Mariner | |
| Make | Alfa Romeo | Mercury |
| Model | 166 | Mariner |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2959 cc | 2488 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 217 HP | 171 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 265 Nm | 232 Nm |
| Torque RPM | 5000 RPM | 4500 RPM |
| Engine Compression Ratio | 10.0:1 | 9.7:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1554 kg | 1925 kg |
| Vehicle Length | 4730 mm | 4460 mm |
| Vehicle Width | 1810 mm | 1810 mm |
| Vehicle Height | 1420 mm | 1730 mm |
| Wheelbase Size | 2710 mm | 2630 mm |
| Fuel Consumption Overall | 13 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 69 L | 62 L |
