1978 Mercury Grand Marquis vs. 1970 Pontiac Bonneville
To start off, 1978 Mercury Grand Marquis is newer by 8 year(s). Which means there will be less support and parts availability for 1970 Pontiac Bonneville. In addition, the cost of maintenance, including insurance, on 1970 Pontiac Bonneville would be higher. At 7,460 cc (8 cylinders), 1970 Pontiac Bonneville is equipped with a bigger engine. In terms of performance, 1970 Pontiac Bonneville (185 HP @ 4000 RPM) has 56 more horse power than 1978 Mercury Grand Marquis. (129 HP @ 3600 RPM) In normal driving conditions, 1970 Pontiac Bonneville should accelerate faster than 1978 Mercury Grand Marquis. With that said, vehicle weight also plays an important factor in acceleration. 1970 Pontiac Bonneville weights approximately 300 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.
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, 1970 Pontiac Bonneville (484 Nm @ 2000 RPM) has 181 more torque (in Nm) than 1978 Mercury Grand Marquis. (303 Nm @ 2600 RPM). This means 1970 Pontiac Bonneville will have an easier job in driving up hills or pulling heavy equipment than 1978 Mercury Grand Marquis.
Compare all specifications:
1978 Mercury Grand Marquis | 1970 Pontiac Bonneville | |
Make | Mercury | Pontiac |
Model | Grand Marquis | Bonneville |
Year Released | 1978 | 1970 |
Engine Position | Front | Front |
Engine Size | 4942 cc | 7460 cc |
Engine Cylinders | 8 cylinders | 8 cylinders |
Engine Type | V | in-line |
Horse Power | 129 HP | 185 HP |
Engine RPM | 3600 RPM | 4000 RPM |
Torque | 303 Nm | 484 Nm |
Torque RPM | 2600 RPM | 2000 RPM |
Fuel Type | Gasoline | Gasoline |
Drive Type | Rear | Rear |
Number of Seats | 5 seats | 5 seats |
Vehicle Weight | 1690 kg | 1990 kg |
Vehicle Length | 5400 mm | 5740 mm |
Vehicle Width | 1980 mm | 2030 mm |
Vehicle Height | 1390 mm | 1390 mm |
Wheelbase Size | 2910 mm | 3210 mm |