1998 Mercury Grand Marquis vs. 2003 Opel Signum
To start off, 2003 Opel Signum is newer by 5 year(s). Which means there will be less support and parts availability for 1998 Mercury Grand Marquis. In addition, the cost of maintenance, including insurance, on 1998 Mercury Grand Marquis would be higher. At 4,603 cc (8 cylinders), 1998 Mercury Grand Marquis is equipped with a bigger engine. In terms of performance, 1998 Mercury Grand Marquis (223 HP @ 4500 RPM) has 50 more horse power than 2003 Opel Signum. (173 HP @ 5600 RPM). In normal driving conditions, 1998 Mercury Grand Marquis should accelerate faster than 2003 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 1998 Mercury Grand Marquis weights approximately 237 kg more than 2003 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1998 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 1998 Mercury Grand Marquis. However, in wet, icy, snow, or gravel driving conditions, 2003 Opel Signum, 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, 1998 Mercury Grand Marquis (372 Nm @ 3000 RPM) has 92 more torque (in Nm) than 2003 Opel Signum. (280 Nm @ 2500 RPM). This means 1998 Mercury Grand Marquis will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Signum.
Compare all specifications:
| 1998 Mercury Grand Marquis | 2003 Opel Signum | |
| Make | Mercury | Opel |
| Model | Grand Marquis | Signum |
| Year Released | 1998 | 2003 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4603 cc | 1910 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 223 HP | 173 HP |
| Engine RPM | 4500 RPM | 5600 RPM |
| Torque | 372 Nm | 280 Nm |
| Torque RPM | 3000 RPM | 2500 RPM |
| Engine Bore Size | 90.2 mm | 86 mm |
| Engine Stroke Size | 90 mm | 86 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1732 kg | 1495 kg |
| Vehicle Length | 5390 mm | 4640 mm |
| Vehicle Width | 2000 mm | 1800 mm |
| Vehicle Height | 1450 mm | 1470 mm |
| Wheelbase Size | 2920 mm | 2720 mm |
| Fuel Consumption Overall | 14.7 L/100km | 9.2 L/100km |
| Fuel Tank Capacity | 68 L | 58 L |
