1979 Mazda 121 vs. 1987 Mercury Grand Marquis
To start off, 1987 Mercury Grand Marquis is newer by 8 year(s). Which means there will be less support and parts availability for 1979 Mazda 121. In addition, the cost of maintenance, including insurance, on 1979 Mazda 121 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 58 more horse power than 1979 Mazda 121. (90 HP @ 4800 RPM) In normal driving conditions, 1987 Mercury Grand Marquis should accelerate faster than 1979 Mazda 121. With that said, vehicle weight also plays an important factor in acceleration. 1987 Mercury Grand Marquis weights approximately 616 kg more than 1979 Mazda 121. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 206 more torque (in Nm) than 1979 Mazda 121. (160 Nm @ 3000 RPM). This means 1987 Mercury Grand Marquis will have an easier job in driving up hills or pulling heavy equipment than 1979 Mazda 121.
Compare all specifications:
| 1979 Mazda 121 | 1987 Mercury Grand Marquis | |
| Make | Mazda | Mercury |
| Model | 121 | Grand Marquis |
| Year Released | 1979 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 4942 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 90 HP | 148 HP |
| Engine RPM | 4800 RPM | 3200 RPM |
| Torque | 160 Nm | 366 Nm |
| Torque RPM | 3000 RPM | 2000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1134 kg | 1750 kg |
| Vehicle Length | 4510 mm | 5400 mm |
| Vehicle Width | 1690 mm | 1980 mm |
| Vehicle Height | 1350 mm | 1390 mm |
| Wheelbase Size | 2520 mm | 2920 mm |
