1973 BMW 1502 vs. 1988 Mercury Grand Marquis
To start off, 1988 Mercury Grand Marquis is newer by 15 year(s). Which means there will be less support and parts availability for 1973 BMW 1502. In addition, the cost of maintenance, including insurance, on 1973 BMW 1502 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 63 more horse power than 1973 BMW 1502. (85 HP @ 5800 RPM) In normal driving conditions, 1988 Mercury Grand Marquis should accelerate faster than 1973 BMW 1502. With that said, vehicle weight also plays an important factor in acceleration. 1988 Mercury Grand Marquis weights approximately 822 kg more than 1973 BMW 1502. 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 236 more torque (in Nm) than 1973 BMW 1502. (130 Nm @ 3500 RPM). This means 1988 Mercury Grand Marquis will have an easier job in driving up hills or pulling heavy equipment than 1973 BMW 1502.
Compare all specifications:
| 1973 BMW 1502 | 1988 Mercury Grand Marquis | |
| Make | BMW | Mercury |
| Model | 1502 | Grand Marquis |
| Year Released | 1973 | 1988 |
| Engine Position | Front | Front |
| Engine Size | 1573 cc | 4942 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 85 HP | 148 HP |
| Engine RPM | 5800 RPM | 3200 RPM |
| Torque | 130 Nm | 366 Nm |
| Torque RPM | 3500 RPM | 2000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 930 kg | 1752 kg |
| Vehicle Length | 4240 mm | 5400 mm |
| Vehicle Width | 1600 mm | 1980 mm |
| Vehicle Height | 1420 mm | 1390 mm |
| Wheelbase Size | 2510 mm | 2920 mm |
| Fuel Tank Capacity | 50 L | 90 L |
