1991 Citroen ZX vs. 1990 Pontiac Grand Am
To start off, 1991 Citroen ZX is newer by 1 year(s). Which means there will be less support and parts availability for 1990 Pontiac Grand Am. In addition, the cost of maintenance, including insurance, on 1990 Pontiac Grand Am 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 74 more horse power than 1991 Citroen ZX. (89 HP @ 6400 RPM) In normal driving conditions, 1990 Pontiac Grand Am should accelerate faster than 1991 Citroen ZX. With that said, vehicle weight also plays an important factor in acceleration. 1990 Pontiac Grand Am weights approximately 235 kg more than 1991 Citroen ZX. 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 104 more torque (in Nm) than 1991 Citroen ZX. (133 Nm @ 3000 RPM). This means 1990 Pontiac Grand Am will have an easier job in driving up hills or pulling heavy equipment than 1991 Citroen ZX. 1990 Pontiac Grand Am has automatic transmission and 1991 Citroen ZX has manual transmission. 1991 Citroen ZX will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1990 Pontiac Grand Am will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Citroen ZX | 1990 Pontiac Grand Am | |
| Make | Citroen | Pontiac |
| Model | ZX | Grand Am |
| Year Released | 1991 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 1579 cc | 1996 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 89 HP | 163 HP |
| Engine RPM | 6400 RPM | 5600 RPM |
| Torque | 133 Nm | 237 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Engine Bore Size | 83 mm | 86 mm |
| Engine Stroke Size | 73 mm | 86 mm |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Vehicle Weight | 1000 kg | 1235 kg |
| Vehicle Length | 4070 mm | 4520 mm |
| Vehicle Width | 1710 mm | 1710 mm |
| Vehicle Height | 1410 mm | 1340 mm |
| Wheelbase Size | 2430 mm | 2630 mm |
