1987 Mercury Grand Marquis vs. 2005 Opel Signum
To start off, 2005 Opel Signum is newer by 18 year(s). Which means there will be less support and parts availability for 1987 Mercury Grand Marquis. In addition, the cost of maintenance, including insurance, on 1987 Mercury Grand Marquis would be higher. At 4,942 cc (8 cylinders), 1987 Mercury Grand Marquis is equipped with a bigger engine. In terms of performance, 1987 Mercury Grand Marquis (148 HP @ 3200 RPM) has 49 more horse power than 2005 Opel Signum. (99 HP @ 3120 RPM). In normal driving conditions, 1987 Mercury Grand Marquis should accelerate faster than 2005 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 1987 Mercury Grand Marquis weights approximately 155 kg more than 2005 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1987 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 1987 Mercury Grand Marquis. However, in wet, icy, snow, or gravel driving conditions, 2005 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, 1987 Mercury Grand Marquis (366 Nm @ 2000 RPM) has 136 more torque (in Nm) than 2005 Opel Signum. (230 Nm @ 1500 RPM). This means 1987 Mercury Grand Marquis will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Signum.
Compare all specifications:
| 1987 Mercury Grand Marquis | 2005 Opel Signum | |
| Make | Mercury | Opel |
| Model | Grand Marquis | Signum |
| Year Released | 1987 | 2005 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4942 cc | 1993 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 148 HP | 99 HP |
| Engine RPM | 3200 RPM | 3120 RPM |
| Torque | 366 Nm | 230 Nm |
| Torque RPM | 2000 RPM | 1500 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1750 kg | 1595 kg |
| Vehicle Length | 5400 mm | 4640 mm |
| Vehicle Width | 1980 mm | 1800 mm |
| Vehicle Height | 1390 mm | 1470 mm |
| Wheelbase Size | 2920 mm | 2740 mm |
| Fuel Tank Capacity | 90 L | 60 L |
