2005 Pontiac Vibe vs. 1984 Pontiac Grand Am
To start off, 2005 Pontiac Vibe is newer by 21 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, 2005 Pontiac Vibe (170 HP @ 5200 RPM) has 81 more horse power than 1984 Pontiac Grand Am. (89 HP @ 4400 RPM). In normal driving conditions, 2005 Pontiac Vibe should accelerate faster than 1984 Pontiac Grand Am. With that said, vehicle weight also plays an important factor in acceleration. 2005 Pontiac Vibe weights approximately 127 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) has 7 more torque (in Nm) than 2005 Pontiac Vibe. (172 Nm). This means 1984 Pontiac Grand Am will have an easier job in driving up hills or pulling heavy equipment than 2005 Pontiac Vibe.
Compare all specifications:
| 2005 Pontiac Vibe | 1984 Pontiac Grand Am | |
| Make | Pontiac | Pontiac |
| Model | Vibe | Grand Am |
| Year Released | 2005 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 1803 cc | 2469 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 170 HP | 89 HP |
| Engine RPM | 5200 RPM | 4400 RPM |
| Torque | 172 Nm | 179 Nm |
| Engine Bore Size | 82 mm | 101.6 mm |
| Engine Stroke Size | 85 mm | 76.2 mm |
| Engine Compression Ratio | 11.5:1 | 9.0:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1257 kg | 1130 kg |
| Vehicle Length | 4370 mm | 4520 mm |
| Vehicle Width | 1780 mm | 1710 mm |
| Vehicle Height | 1590 mm | 1340 mm |
| Wheelbase Size | 2610 mm | 2630 mm |
