1978 Mercury Grand Marquis vs. 1975 Volvo 240
To start off, 1978 Mercury Grand Marquis is newer by 3 year(s). Which means there will be less support and parts availability for 1975 Volvo 240. In addition, the cost of maintenance, including insurance, on 1975 Volvo 240 would be higher. At 4,942 cc (8 cylinders), 1978 Mercury Grand Marquis is equipped with a bigger engine. In terms of performance, 1978 Mercury Grand Marquis (129 HP @ 3600 RPM) has 48 more horse power than 1975 Volvo 240. (81 HP @ 4700 RPM). In normal driving conditions, 1978 Mercury Grand Marquis should accelerate faster than 1975 Volvo 240. With that said, vehicle weight also plays an important factor in acceleration. 1978 Mercury Grand Marquis weights approximately 350 kg more than 1975 Volvo 240. 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, 1978 Mercury Grand Marquis (303 Nm @ 2600 RPM) has 145 more torque (in Nm) than 1975 Volvo 240. (158 Nm @ 2300 RPM). This means 1978 Mercury Grand Marquis will have an easier job in driving up hills or pulling heavy equipment than 1975 Volvo 240.
Compare all specifications:
| 1978 Mercury Grand Marquis | 1975 Volvo 240 | |
| Make | Mercury | Volvo |
| Model | Grand Marquis | 240 |
| Year Released | 1978 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 4942 cc | 1986 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 129 HP | 81 HP |
| Engine RPM | 3600 RPM | 4700 RPM |
| Torque | 303 Nm | 158 Nm |
| Torque RPM | 2600 RPM | 2300 RPM |
| Engine Bore Size | 101.6 mm | 88.9 mm |
| Engine Stroke Size | 76.2 mm | 80 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1690 kg | 1340 kg |
| Vehicle Length | 5400 mm | 4900 mm |
| Vehicle Width | 1980 mm | 1710 mm |
| Vehicle Height | 1390 mm | 1440 mm |
| Wheelbase Size | 2910 mm | 2650 mm |
