1990 Pontiac Grand Am vs. 1984 Vauxhall Astra
To start off, 1990 Pontiac Grand Am is newer by 6 year(s). Which means there will be less support and parts availability for 1984 Vauxhall Astra. In addition, the cost of maintenance, including insurance, on 1984 Vauxhall Astra would be higher. At 1,996 cc (4 cylinders), 1990 Pontiac Grand Am is equipped with a bigger engine. In terms of performance, 1990 Pontiac Grand Am (163 HP @ 5600 RPM) has 104 more horse power than 1984 Vauxhall Astra. (59 HP @ 5800 RPM). In normal driving conditions, 1990 Pontiac Grand Am should accelerate faster than 1984 Vauxhall Astra. With that said, vehicle weight also plays an important factor in acceleration. 1990 Pontiac Grand Am weights approximately 395 kg more than 1984 Vauxhall Astra. 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, 1990 Pontiac Grand Am (237 Nm @ 4000 RPM) has 148 more torque (in Nm) than 1984 Vauxhall Astra. (89 Nm @ 3000 RPM). This means 1990 Pontiac Grand Am will have an easier job in driving up hills or pulling heavy equipment than 1984 Vauxhall Astra.
Compare all specifications:
| 1990 Pontiac Grand Am | 1984 Vauxhall Astra | |
| Make | Pontiac | Vauxhall |
| Model | Grand Am | Astra |
| Year Released | 1990 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 1996 cc | 1196 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 163 HP | 59 HP |
| Engine RPM | 5600 RPM | 5800 RPM |
| Torque | 237 Nm | 89 Nm |
| Torque RPM | 4000 RPM | 3000 RPM |
| Engine Bore Size | 86 mm | 81 mm |
| Engine Stroke Size | 86 mm | 61 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1235 kg | 840 kg |
| Vehicle Length | 4520 mm | 4010 mm |
| Vehicle Width | 1710 mm | 1650 mm |
| Vehicle Height | 1340 mm | 1340 mm |
| Wheelbase Size | 2630 mm | 2520 mm |
