1985 Ford Sierra vs. 1984 Pontiac Grand Am
To start off, 1985 Ford Sierra is newer by 1 year(s). Which means there will be less support and parts availability for 1984 Pontiac Grand Am. In addition, the cost of maintenance, including insurance, on 1984 Pontiac Grand Am would be higher. At 2,966 cc (6 cylinders), 1984 Pontiac Grand Am is equipped with a bigger engine. In terms of performance, 1985 Ford Sierra (148 HP @ 5700 RPM) has 25 more horse power than 1984 Pontiac Grand Am. (123 HP @ 4900 RPM). In normal driving conditions, 1985 Ford Sierra should accelerate faster than 1984 Pontiac Grand Am. With that said, vehicle weight also plays an important factor in acceleration. 1984 Pontiac Grand Am weights approximately 5 kg more than 1985 Ford Sierra.
Let's talk about torque, 1985 Ford Sierra (220 Nm @ 3800 RPM) has 16 more torque (in Nm) than 1984 Pontiac Grand Am. (204 Nm @ 2400 RPM). This means 1985 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 1984 Pontiac Grand Am.
Compare all specifications:
| 1985 Ford Sierra | 1984 Pontiac Grand Am | |
| Make | Ford | Pontiac |
| Model | Sierra | Grand Am |
| Year Released | 1985 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 2790 cc | 2966 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 148 HP | 123 HP |
| Engine RPM | 5700 RPM | 4900 RPM |
| Torque | 220 Nm | 204 Nm |
| Torque RPM | 3800 RPM | 2400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1205 kg | 1210 kg |
| Vehicle Length | 4400 mm | 4520 mm |
| Vehicle Width | 1680 mm | 1710 mm |
| Vehicle Height | 1370 mm | 1340 mm |
| Wheelbase Size | 2620 mm | 2630 mm |
