2007 Mercury Grand Marquis vs. 2003 BMW 330
To start off, 2007 Mercury Grand Marquis is newer by 4 year(s). Which means there will be less support and parts availability for 2003 BMW 330. In addition, the cost of maintenance, including insurance, on 2003 BMW 330 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 55 more horse power than 2003 BMW 330. (184 HP @ 4000 RPM). In normal driving conditions, 2007 Mercury Grand Marquis should accelerate faster than 2003 BMW 330. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercury Grand Marquis weights approximately 27 kg more than 2003 BMW 330. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 BMW 330 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Mercury Grand Marquis. In wet, icy, snow, or gravel driving conditions, 2003 BMW 330 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 BMW 330 (410 Nm @ 1500 RPM) has 21 more torque (in Nm) than 2007 Mercury Grand Marquis. (389 Nm @ 4100 RPM). This means 2003 BMW 330 will have an easier job in driving up hills or pulling heavy equipment than 2007 Mercury Grand Marquis.
Compare all specifications:
| 2007 Mercury Grand Marquis | 2003 BMW 330 | |
| Make | Mercury | BMW |
| Model | Grand Marquis | 330 |
| Year Released | 2007 | 2003 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4603 cc | 2996 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 239 HP | 184 HP |
| Engine RPM | 4900 RPM | 4000 RPM |
| Torque | 389 Nm | 410 Nm |
| Torque RPM | 4100 RPM | 1500 RPM |
| Engine Bore Size | 90.2 mm | 84 mm |
| Engine Stroke Size | 89.9 mm | 90 mm |
| Engine Compression Ratio | 9.4:1 | 17.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1832 kg | 1805 kg |
| Vehicle Length | 5370 mm | 4480 mm |
| Vehicle Width | 2000 mm | 1750 mm |
| Vehicle Height | 1490 mm | 1420 mm |
| Wheelbase Size | 2920 mm | 2840 mm |
| Fuel Tank Capacity | 72 L | 63 L |
