1999 Ford O21 C vs. 1984 Pontiac Grand Am
To start off, 1999 Ford O21 C is newer by 15 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 2,469 cc (4 cylinders), 1984 Pontiac Grand Am is equipped with a bigger engine. In terms of performance, 1999 Ford O21 C (128 HP @ 6000 RPM) has 39 more horse power than 1984 Pontiac Grand Am. (89 HP @ 4400 RPM). In normal driving conditions, 1999 Ford O21 C should accelerate faster than 1984 Pontiac Grand Am. With that said, vehicle weight also plays an important factor in acceleration. 1999 Ford O21 C weights approximately 168 kg more than 1984 Pontiac Grand Am. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear 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, 1984 Pontiac Grand Am (179 Nm @ 2800 RPM) has 1 more torque (in Nm) than 1999 Ford O21 C. (178 Nm @ 4000 RPM). This means 1984 Pontiac Grand Am will have an easier job in driving up hills or pulling heavy equipment than 1999 Ford O21 C.
Compare all specifications:
| 1999 Ford O21 C | 1984 Pontiac Grand Am | |
| Make | Ford | Pontiac |
| Model | O21 C | Grand Am |
| Year Released | 1999 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 1596 cc | 2469 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 128 HP | 89 HP |
| Engine RPM | 6000 RPM | 4400 RPM |
| Torque | 178 Nm | 179 Nm |
| Torque RPM | 4000 RPM | 2800 RPM |
| Engine Bore Size | 79 mm | 101.6 mm |
| Engine Stroke Size | 81.4 mm | 76.2 mm |
| Engine Compression Ratio | 11.0:1 | 9.0:1 |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1298 kg | 1130 kg |
| Vehicle Length | 3610 mm | 4520 mm |
| Vehicle Width | 1650 mm | 1710 mm |
| Vehicle Height | 1440 mm | 1340 mm |
| Wheelbase Size | 2490 mm | 2630 mm |
