1989 Pontiac Grand Am vs. 1990 Rover 400
To start off, 1990 Rover 400 is newer by 1 year(s). Which means there will be less support and parts availability for 1989 Pontiac Grand Am. In addition, the cost of maintenance, including insurance, on 1989 Pontiac Grand Am would be higher. At 1,996 cc (4 cylinders), 1989 Pontiac Grand Am is equipped with a bigger engine. In terms of performance, 1989 Pontiac Grand Am (163 HP @ 5600 RPM) has 48 more horse power than 1990 Rover 400. (115 HP @ 6300 RPM). In normal driving conditions, 1989 Pontiac Grand Am should accelerate faster than 1990 Rover 400. With that said, vehicle weight also plays an important factor in acceleration. 1989 Pontiac Grand Am weights approximately 160 kg more than 1990 Rover 400. 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, 1989 Pontiac Grand Am (237 Nm @ 4000 RPM) has 93 more torque (in Nm) than 1990 Rover 400. (144 Nm @ 5200 RPM). This means 1989 Pontiac Grand Am will have an easier job in driving up hills or pulling heavy equipment than 1990 Rover 400.
Compare all specifications:
| 1989 Pontiac Grand Am | 1990 Rover 400 | |
| Make | Pontiac | Rover |
| Model | Grand Am | 400 |
| Year Released | 1989 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 1996 cc | 1590 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 163 HP | 115 HP |
| Engine RPM | 5600 RPM | 6300 RPM |
| Torque | 237 Nm | 144 Nm |
| Torque RPM | 4000 RPM | 5200 RPM |
| Engine Bore Size | 86 mm | 75 mm |
| Engine Stroke Size | 86 mm | 90 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1235 kg | 1075 kg |
| Vehicle Length | 4520 mm | 4370 mm |
| Vehicle Width | 1710 mm | 1690 mm |
| Vehicle Height | 1340 mm | 1410 mm |
| Wheelbase Size | 2630 mm | 2560 mm |
