2003 Alfa Romeo Spider vs. 2006 Mercury Mariner
To start off, 2006 Mercury Mariner is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo Spider would be higher. At 3,179 cc (6 cylinders), 2003 Alfa Romeo Spider is equipped with a bigger engine. In terms of performance, 2003 Alfa Romeo Spider (248 HP @ 6300 RPM) has 48 more horse power than 2006 Mercury Mariner. (200 HP @ 6000 RPM). In normal driving conditions, 2003 Alfa Romeo Spider should accelerate faster than 2006 Mercury Mariner. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercury Mariner weights approximately 81 kg more than 2003 Alfa Romeo Spider.
Because 2006 Mercury Mariner is four wheel drive (4WD), it will have significant more traction and grip than 2003 Alfa Romeo Spider. In wet, icy, snow, or gravel driving conditions, 2006 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 Spider (305 Nm @ 4800 RPM) has 43 more torque (in Nm) than 2006 Mercury Mariner. (262 Nm @ 4850 RPM). This means 2003 Alfa Romeo Spider will have an easier job in driving up hills or pulling heavy equipment than 2006 Mercury Mariner.
Compare all specifications:
| 2003 Alfa Romeo Spider | 2006 Mercury Mariner | |
| Make | Alfa Romeo | Mercury |
| Model | Spider | Mariner |
| Year Released | 2003 | 2006 |
| Body Type | Roadster | SUV |
| Engine Position | Front | Front |
| Engine Size | 3179 cc | 2999 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 248 HP | 200 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 305 Nm | 262 Nm |
| Torque RPM | 4800 RPM | 4850 RPM |
| Engine Compression Ratio | 10.3:1 | 9.4:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1490 kg | 1571 kg |
| Vehicle Length | 4310 mm | 4450 mm |
| Vehicle Width | 1780 mm | 1790 mm |
| Vehicle Height | 1330 mm | 1780 mm |
| Wheelbase Size | 2600 mm | 2630 mm |
| Fuel Consumption Overall | 13.2 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 70 L | 62 L |
