1985 Pontiac Grand Am vs. 2004 Rover 75
To start off, 2004 Rover 75 is newer by 19 year(s). Which means there will be less support and parts availability for 1985 Pontiac Grand Am. In addition, the cost of maintenance, including insurance, on 1985 Pontiac Grand Am would be higher. At 2,471 cc (4 cylinders), 1985 Pontiac Grand Am is equipped with a bigger engine. In terms of performance, 2004 Rover 75 (119 HP @ 5500 RPM) has 29 more horse power than 1985 Pontiac Grand Am. (90 HP @ 4400 RPM) In normal driving conditions, 2004 Rover 75 should accelerate faster than 1985 Pontiac Grand Am. With that said, vehicle weight also plays an important factor in acceleration. 2004 Rover 75 weights approximately 320 kg more than 1985 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, 1985 Pontiac Grand Am (179 Nm @ 2800 RPM) has 19 more torque (in Nm) than 2004 Rover 75. (160 Nm @ 4000 RPM). This means 1985 Pontiac Grand Am will have an easier job in driving up hills or pulling heavy equipment than 2004 Rover 75. 2004 Rover 75 has automatic transmission and 1985 Pontiac Grand Am has manual transmission. 1985 Pontiac Grand Am will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Rover 75 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1985 Pontiac Grand Am | 2004 Rover 75 | |
| Make | Pontiac | Rover |
| Model | Grand Am | 75 |
| Year Released | 1985 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 2471 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 90 HP | 119 HP |
| Engine RPM | 4400 RPM | 5500 RPM |
| Torque | 179 Nm | 160 Nm |
| Torque RPM | 2800 RPM | 4000 RPM |
| Engine Bore Size | 101.6 mm | 80 mm |
| Engine Stroke Size | 76.2 mm | 89.3 mm |
| Engine Compression Ratio | 9.0:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1130 kg | 1450 kg |
| Vehicle Length | 4520 mm | 4800 mm |
| Vehicle Width | 1710 mm | 1780 mm |
| Vehicle Height | 1340 mm | 1440 mm |
| Wheelbase Size | 2630 mm | 2750 mm |
