1978 Mazda 929 vs. 1988 Mercury Grand Marquis
To start off, 1988 Mercury Grand Marquis is newer by 10 year(s). Which means there will be less support and parts availability for 1978 Mazda 929. In addition, the cost of maintenance, including insurance, on 1978 Mazda 929 would be higher. At 4,942 cc (8 cylinders), 1988 Mercury Grand Marquis is equipped with a bigger engine. In terms of performance, 1988 Mercury Grand Marquis (148 HP @ 3200 RPM) has 65 more horse power than 1978 Mazda 929. (83 HP @ 5000 RPM) In normal driving conditions, 1988 Mercury Grand Marquis should accelerate faster than 1978 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 1988 Mercury Grand Marquis weights approximately 682 kg more than 1978 Mazda 929. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1988 Mercury Grand Marquis (366 Nm @ 2000 RPM) has 232 more torque (in Nm) than 1978 Mazda 929. (134 Nm @ 3000 RPM). This means 1988 Mercury Grand Marquis will have an easier job in driving up hills or pulling heavy equipment than 1978 Mazda 929.
Compare all specifications:
| 1978 Mazda 929 | 1988 Mercury Grand Marquis | |
| Make | Mazda | Mercury |
| Model | 929 | Grand Marquis |
| Year Released | 1978 | 1988 |
| Engine Position | Front | Front |
| Engine Size | 1769 cc | 4942 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 83 HP | 148 HP |
| Engine RPM | 5000 RPM | 3200 RPM |
| Torque | 134 Nm | 366 Nm |
| Torque RPM | 3000 RPM | 2000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1070 kg | 1752 kg |
| Vehicle Length | 4410 mm | 5400 mm |
| Vehicle Width | 1670 mm | 1980 mm |
| Vehicle Height | 1420 mm | 1390 mm |
| Wheelbase Size | 2520 mm | 2920 mm |
| Fuel Tank Capacity | 55 L | 90 L |
