1978 Mercury Grand Marquis vs. 2004 Opel Signum
To start off, 2004 Opel Signum is newer by 26 year(s). Which means there will be less support and parts availability for 1978 Mercury Grand Marquis. In addition, the cost of maintenance, including insurance, on 1978 Mercury Grand Marquis would be higher. At 4,942 cc (8 cylinders), 1978 Mercury Grand Marquis is equipped with a bigger engine. In terms of performance, 2004 Opel Signum (173 HP @ 5500 RPM) has 44 more horse power than 1978 Mercury Grand Marquis. (129 HP @ 3600 RPM) In normal driving conditions, 2004 Opel Signum should accelerate faster than 1978 Mercury Grand Marquis. With that said, vehicle weight also plays an important factor in acceleration. 1978 Mercury Grand Marquis weights approximately 130 kg more than 2004 Opel Signum.
Because 1978 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 1978 Mercury Grand Marquis. However, in wet, icy, snow, or gravel driving conditions, 2004 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, 1978 Mercury Grand Marquis (303 Nm @ 2600 RPM) has 38 more torque (in Nm) than 2004 Opel Signum. (265 Nm @ 2500 RPM). This means 1978 Mercury Grand Marquis will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Signum.
Compare all specifications:
1978 Mercury Grand Marquis | 2004 Opel Signum | |
Make | Mercury | Opel |
Model | Grand Marquis | Signum |
Year Released | 1978 | 2004 |
Body Type | Sedan | Hatchback |
Engine Position | Front | Front |
Engine Size | 4942 cc | 1995 cc |
Engine Cylinders | 8 cylinders | 4 cylinders |
Engine Type | V | in-line |
Horse Power | 129 HP | 173 HP |
Engine RPM | 3600 RPM | 5500 RPM |
Torque | 303 Nm | 265 Nm |
Torque RPM | 2600 RPM | 2500 RPM |
Engine Bore Size | 101.6 mm | 86 mm |
Engine Stroke Size | 76.2 mm | 86 mm |
Fuel Type | Gasoline | Gasoline - Premium |
Drive Type | Rear | Front |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 5 doors |
Vehicle Weight | 1690 kg | 1560 kg |
Vehicle Length | 5400 mm | 4640 mm |
Vehicle Width | 1980 mm | 1800 mm |
Vehicle Height | 1390 mm | 1470 mm |
Wheelbase Size | 2910 mm | 2840 mm |