2003 Alfa Romeo 166 vs. 2007 Mercury Mariner
To start off, 2007 Mercury Mariner is newer by 4 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 2,299 cc (4 cylinders), 2007 Mercury Mariner is equipped with a bigger engine. In terms of performance, 2003 Alfa Romeo 166 (148 HP @ 6300 RPM) has 15 more horse power than 2007 Mercury Mariner. (133 HP @ 6000 RPM). In normal driving conditions, 2003 Alfa Romeo 166 should accelerate faster than 2007 Mercury Mariner. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercury Mariner weights approximately 505 kg more than 2003 Alfa Romeo 166.
Because 2007 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, 2007 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 (182 Nm @ 3800 RPM) has 14 more torque (in Nm) than 2007 Mercury Mariner. (168 Nm @ 4250 RPM). This means 2003 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 2007 Mercury Mariner. 2007 Mercury Mariner has automatic transmission and 2003 Alfa Romeo 166 has manual transmission. 2003 Alfa Romeo 166 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Mercury Mariner will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Alfa Romeo 166 | 2007 Mercury Mariner | |
| Make | Alfa Romeo | Mercury |
| Model | 166 | Mariner |
| Year Released | 2003 | 2007 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 2299 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 148 HP | 133 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 182 Nm | 168 Nm |
| Torque RPM | 3800 RPM | 4250 RPM |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1420 kg | 1925 kg |
| Vehicle Length | 4730 mm | 4430 mm |
| Vehicle Width | 1810 mm | 1790 mm |
| Vehicle Height | 1420 mm | 1790 mm |
| Wheelbase Size | 2600 mm | 2630 mm |
| Fuel Consumption City | 13.8 L/100km | 7.1 L/100km |
| Fuel Consumption Overall | 9.7 L/100km | 7.6 L/100km |
| Fuel Tank Capacity | 69 L | 57 L |
