1965 AC 427 vs. 1974 Pontiac Bonneville
To start off, 1974 Pontiac Bonneville is newer by 9 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 242 more horse power than 1974 Pontiac Bonneville. (168 HP @ 4000 RPM). In normal driving conditions, 1965 AC 427 should accelerate faster than 1974 Pontiac Bonneville. With that said, vehicle weight also plays an important factor in acceleration. 1974 Pontiac Bonneville weights approximately 708 kg more than 1965 AC 427.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front 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, 1965 AC 427 (652 Nm @ 3700 RPM) has 237 more torque (in Nm) than 1974 Pontiac Bonneville. (415 Nm @ 2200 RPM). This means 1965 AC 427 will have an easier job in driving up hills or pulling heavy equipment than 1974 Pontiac Bonneville.
Compare all specifications:
| 1965 AC 427 | 1974 Pontiac Bonneville | |
| Make | AC | Pontiac |
| Model | 427 | Bonneville |
| Year Released | 1965 | 1974 |
| Engine Position | Front | Front |
| Engine Size | 6997 cc | 6558 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 410 HP | 168 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 652 Nm | 415 Nm |
| Torque RPM | 3700 RPM | 2200 RPM |
| Engine Bore Size | 107.7 mm | 104.6 mm |
| Engine Stroke Size | 96 mm | 95.3 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1397 kg | 2105 kg |
| Vehicle Length | 4430 mm | 5750 mm |
| Vehicle Width | 1710 mm | 2030 mm |
| Vehicle Height | 1300 mm | 1380 mm |
| Wheelbase Size | 2440 mm | 3140 mm |
