1965 AC 427 vs. 1984 Pontiac Grand Am
To start off, 1984 Pontiac Grand Am is newer by 19 year(s). Which means there will be less support and parts availability for 1965 AC 427. In addition, the cost of maintenance, including insurance, on 1965 AC 427 would be higher. At 6,997 cc (8 cylinders), 1965 AC 427 is equipped with a bigger engine. In terms of performance, 1965 AC 427 (410 HP @ 4000 RPM) has 321 more horse power than 1984 Pontiac Grand Am. (89 HP @ 4400 RPM). In normal driving conditions, 1965 AC 427 should accelerate faster than 1984 Pontiac Grand Am. With that said, vehicle weight also plays an important factor in acceleration. 1965 AC 427 weights approximately 267 kg more than 1984 Pontiac Grand Am. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1965 AC 427 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1965 AC 427. However, in wet, icy, snow, or gravel driving conditions, 1984 Pontiac Grand Am, being front wheel drive (FWD), will offer much better control with better grip. 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, 1965 AC 427 (652 Nm @ 3700 RPM) has 473 more torque (in Nm) than 1984 Pontiac Grand Am. (179 Nm @ 2800 RPM). This means 1965 AC 427 will have an easier job in driving up hills or pulling heavy equipment than 1984 Pontiac Grand Am.
Compare all specifications:
| 1965 AC 427 | 1984 Pontiac Grand Am | |
| Make | AC | Pontiac |
| Model | 427 | Grand Am |
| Year Released | 1965 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 6997 cc | 2469 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 410 HP | 89 HP |
| Engine RPM | 4000 RPM | 4400 RPM |
| Torque | 652 Nm | 179 Nm |
| Torque RPM | 3700 RPM | 2800 RPM |
| Engine Bore Size | 107.7 mm | 101.6 mm |
| Engine Stroke Size | 96 mm | 76.2 mm |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 2 seats | 4 seats |
| Vehicle Weight | 1397 kg | 1130 kg |
| Vehicle Length | 4430 mm | 4520 mm |
| Vehicle Width | 1710 mm | 1710 mm |
| Vehicle Height | 1300 mm | 1340 mm |
| Wheelbase Size | 2440 mm | 2630 mm |
