1978 Chevrolet Suburban vs. 2006 Mercury Grand Marquis
To start off, 2006 Mercury Grand Marquis is newer by 28 year(s). Which means there will be less support and parts availability for 1978 Chevrolet Suburban. In addition, the cost of maintenance, including insurance, on 1978 Chevrolet Suburban would be higher. At 4,605 cc (8 cylinders), 2006 Mercury Grand Marquis is equipped with a bigger engine. In terms of performance, 2006 Mercury Grand Marquis (224 HP @ 4800 RPM) has 124 more horse power than 1978 Chevrolet Suburban. (100 HP @ 3600 RPM) In normal driving conditions, 2006 Mercury Grand Marquis should accelerate faster than 1978 Chevrolet Suburban. With that said, vehicle weight also plays an important factor in acceleration. 1978 Chevrolet Suburban weights approximately 364 kg more than 2006 Mercury Grand Marquis.
Because 1978 Chevrolet Suburban is four wheel drive (4WD), it will have significant more traction and grip than 2006 Mercury Grand Marquis. In wet, icy, snow, or gravel driving conditions, 1978 Chevrolet Suburban 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, 2006 Mercury Grand Marquis (373 Nm @ 4000 RPM) has 131 more torque (in Nm) than 1978 Chevrolet Suburban. (242 Nm @ 1600 RPM). This means 2006 Mercury Grand Marquis will have an easier job in driving up hills or pulling heavy equipment than 1978 Chevrolet Suburban.
Compare all specifications:
| 1978 Chevrolet Suburban | 2006 Mercury Grand Marquis | |
| Make | Chevrolet | Mercury |
| Model | Suburban | Grand Marquis |
| Year Released | 1978 | 2006 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4093 cc | 4605 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 100 HP | 224 HP |
| Engine RPM | 3600 RPM | 4800 RPM |
| Torque | 242 Nm | 373 Nm |
| Torque RPM | 1600 RPM | 4000 RPM |
| Drive Type | 4WD | Rear |
| Vehicle Weight | 2200 kg | 1836 kg |
| Vehicle Length | 5480 mm | 5390 mm |
| Vehicle Width | 1950 mm | 1990 mm |
| Vehicle Height | 1800 mm | 1450 mm |
| Wheelbase Size | 3300 mm | 2920 mm |
