1990 Chevrolet Blazer vs. 1978 Mercury Grand Marquis
To start off, 1990 Chevrolet Blazer is newer by 12 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 5,010 cc (8 cylinders), 1990 Chevrolet Blazer is equipped with a bigger engine. In terms of performance, 1990 Chevrolet Blazer (209 HP @ 4000 RPM) has 80 more horse power than 1978 Mercury Grand Marquis. (129 HP @ 3600 RPM). In normal driving conditions, 1990 Chevrolet Blazer should accelerate faster than 1978 Mercury Grand Marquis. With that said, vehicle weight also plays an important factor in acceleration. 1990 Chevrolet Blazer weights approximately 190 kg more than 1978 Mercury Grand Marquis. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1990 Chevrolet Blazer is four wheel drive (4WD), it will have significant more traction and grip than 1978 Mercury Grand Marquis. In wet, icy, snow, or gravel driving conditions, 1990 Chevrolet Blazer 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, 1990 Chevrolet Blazer (407 Nm @ 2800 RPM) has 104 more torque (in Nm) than 1978 Mercury Grand Marquis. (303 Nm @ 2600 RPM). This means 1990 Chevrolet Blazer will have an easier job in driving up hills or pulling heavy equipment than 1978 Mercury Grand Marquis.
Compare all specifications:
| 1990 Chevrolet Blazer | 1978 Mercury Grand Marquis | |
| Make | Chevrolet | Mercury |
| Model | Blazer | Grand Marquis |
| Year Released | 1990 | 1978 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5010 cc | 4942 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 209 HP | 129 HP |
| Engine RPM | 4000 RPM | 3600 RPM |
| Torque | 407 Nm | 303 Nm |
| Torque RPM | 2800 RPM | 2600 RPM |
| Engine Bore Size | 98.4 mm | 101.6 mm |
| Engine Stroke Size | 82.5 mm | 76.2 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1880 kg | 1690 kg |
| Vehicle Length | 4670 mm | 5400 mm |
| Vehicle Width | 2050 mm | 1980 mm |
| Vehicle Height | 1870 mm | 1390 mm |
| Wheelbase Size | 2710 mm | 2910 mm |
