2007 Mercury Grand Marquis vs. 2008 BMW 318
To start off, 2008 BMW 318 is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Mercury Grand Marquis. In addition, the cost of maintenance, including insurance, on 2007 Mercury Grand Marquis would be higher. At 4,603 cc (8 cylinders), 2007 Mercury Grand Marquis is equipped with a bigger engine. In terms of performance, 2007 Mercury Grand Marquis (239 HP @ 4900 RPM) has 91 more horse power than 2008 BMW 318. (148 HP @ 6200 RPM). In normal driving conditions, 2007 Mercury Grand Marquis should accelerate faster than 2008 BMW 318. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercury Grand Marquis weights approximately 252 kg more than 2008 BMW 318. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 Mercury Grand Marquis (389 Nm @ 4100 RPM) has 189 more torque (in Nm) than 2008 BMW 318. (200 Nm @ 3600 RPM). This means 2007 Mercury Grand Marquis will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW 318.
Compare all specifications:
| 2007 Mercury Grand Marquis | 2008 BMW 318 | |
| Make | Mercury | BMW |
| Model | Grand Marquis | 318 |
| Year Released | 2007 | 2008 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4603 cc | 1993 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 239 HP | 148 HP |
| Engine RPM | 4900 RPM | 6200 RPM |
| Torque | 389 Nm | 200 Nm |
| Torque RPM | 4100 RPM | 3600 RPM |
| Engine Bore Size | 90.2 mm | 84 mm |
| Engine Stroke Size | 89.9 mm | 90 mm |
| Engine Compression Ratio | 9.4:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1832 kg | 1580 kg |
| Vehicle Length | 5370 mm | 4490 mm |
| Vehicle Width | 2000 mm | 1760 mm |
| Vehicle Height | 1490 mm | 1380 mm |
| Wheelbase Size | 2920 mm | 2730 mm |
| Fuel Consumption Overall | 11.8 L/100km | 7.8 L/100km |
| Fuel Tank Capacity | 72 L | 63 L |
