2005 Alfa Romeo 156 vs. 2006 Mercury Grand Marquis
To start off, 2006 Mercury Grand Marquis is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2005 Alfa Romeo 156 would be higher. At 4,605 cc (8 cylinders), 2006 Mercury Grand Marquis is equipped with a bigger engine. In terms of performance, 2005 Alfa Romeo 156 (247 HP @ 6200 RPM) has 23 more horse power than 2006 Mercury Grand Marquis. (224 HP @ 4800 RPM). In normal driving conditions, 2005 Alfa Romeo 156 should accelerate faster than 2006 Mercury Grand Marquis. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercury Grand Marquis weights approximately 515 kg more than 2005 Alfa Romeo 156.
Because 2006 Mercury Grand Marquis is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2006 Mercury Grand Marquis. However, in wet, icy, snow, or gravel driving conditions, 2005 Alfa Romeo 156, being front wheel drive (FWD), will offer much better control with better grip. 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, 2006 Mercury Grand Marquis (369 Nm @ 4000 RPM) has 64 more torque (in Nm) than 2005 Alfa Romeo 156. (305 Nm @ 4800 RPM). This means 2006 Mercury Grand Marquis will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 156. 2006 Mercury Grand Marquis has automatic transmission and 2005 Alfa Romeo 156 has manual transmission. 2005 Alfa Romeo 156 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Mercury Grand Marquis will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Alfa Romeo 156 | 2006 Mercury Grand Marquis | |
| Make | Alfa Romeo | Mercury |
| Model | 156 | Grand Marquis |
| Year Released | 2005 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3179 cc | 4605 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 247 HP | 224 HP |
| Engine RPM | 6200 RPM | 4800 RPM |
| Torque | 305 Nm | 369 Nm |
| Torque RPM | 4800 RPM | 4000 RPM |
| Engine Bore Size | 93 mm | 90.2 mm |
| Engine Stroke Size | 78 mm | 89.9 mm |
| Engine Compression Ratio | 10.5:1 | 9.4:1 |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1410 kg | 1925 kg |
| Vehicle Length | 4440 mm | 5390 mm |
| Vehicle Width | 1770 mm | 2000 mm |
| Vehicle Height | 1410 mm | 1490 mm |
| Wheelbase Size | 2600 mm | 2920 mm |
| Fuel Consumption Overall | 12.3 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 63 L | 72 L |
