2004 MG ZT vs. 1985 Pontiac Grand Am
To start off, 2004 MG ZT 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 2,495 cc (6 cylinders), 2004 MG ZT is equipped with a bigger engine. In terms of performance, 2004 MG ZT (175 HP @ 6500 RPM) has 85 more horse power than 1985 Pontiac Grand Am. (90 HP @ 4400 RPM). In normal driving conditions, 2004 MG ZT should accelerate faster than 1985 Pontiac Grand Am. With that said, vehicle weight also plays an important factor in acceleration. 2004 MG ZT weights approximately 355 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, 2004 MG ZT (240 Nm @ 4000 RPM) has 61 more torque (in Nm) than 1985 Pontiac Grand Am. (179 Nm @ 2800 RPM). This means 2004 MG ZT will have an easier job in driving up hills or pulling heavy equipment than 1985 Pontiac Grand Am.
Compare all specifications:
| 2004 MG ZT | 1985 Pontiac Grand Am | |
| Make | MG | Pontiac |
| Model | ZT | Grand Am |
| Year Released | 2004 | 1985 |
| Engine Position | Front | Front |
| Engine Size | 2495 cc | 2471 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 175 HP | 90 HP |
| Engine RPM | 6500 RPM | 4400 RPM |
| Torque | 240 Nm | 179 Nm |
| Torque RPM | 4000 RPM | 2800 RPM |
| Engine Bore Size | 80 mm | 101.6 mm |
| Engine Stroke Size | 82.8 mm | 76.2 mm |
| Engine Compression Ratio | 10.3:1 | 9.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1485 kg | 1130 kg |
| Vehicle Length | 4750 mm | 4520 mm |
| Vehicle Width | 1780 mm | 1710 mm |
| Vehicle Height | 1420 mm | 1340 mm |
| Wheelbase Size | 2760 mm | 2630 mm |
