1978 Mazda 616 vs. 1989 Pontiac Grand Am
To start off, 1989 Pontiac Grand Am is newer by 11 year(s). Which means there will be less support and parts availability for 1978 Mazda 616. In addition, the cost of maintenance, including insurance, on 1978 Mazda 616 would be higher. At 1,996 cc (4 cylinders), 1989 Pontiac Grand Am is equipped with a bigger engine. In terms of performance, 1989 Pontiac Grand Am (163 HP @ 5600 RPM) has 84 more horse power than 1978 Mazda 616. (79 HP @ 5500 RPM) In normal driving conditions, 1989 Pontiac Grand Am should accelerate faster than 1978 Mazda 616. With that said, vehicle weight also plays an important factor in acceleration. 1989 Pontiac Grand Am weights approximately 323 kg more than 1978 Mazda 616. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1989 Pontiac Grand Am (237 Nm @ 4000 RPM) has 113 more torque (in Nm) than 1978 Mazda 616. (124 Nm @ 3500 RPM). This means 1989 Pontiac Grand Am will have an easier job in driving up hills or pulling heavy equipment than 1978 Mazda 616.
Compare all specifications:
| 1978 Mazda 616 | 1989 Pontiac Grand Am | |
| Make | Mazda | Pontiac |
| Model | 616 | Grand Am |
| Year Released | 1978 | 1989 |
| Engine Position | Front | Front |
| Engine Size | 1586 cc | 1996 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 79 HP | 163 HP |
| Engine RPM | 5500 RPM | 5600 RPM |
| Torque | 124 Nm | 237 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Engine Bore Size | 78 mm | 86 mm |
| Engine Stroke Size | 83 mm | 86 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 912 kg | 1235 kg |
| Vehicle Length | 4160 mm | 4520 mm |
| Vehicle Width | 1590 mm | 1710 mm |
| Vehicle Height | 1400 mm | 1340 mm |
| Wheelbase Size | 2480 mm | 2630 mm |
