1967 AC 428 vs. 1991 Cadillac DeVille
To start off, 1991 Cadillac DeVille is newer by 24 year(s). Which means there will be less support and parts availability for 1967 AC 428. In addition, the cost of maintenance, including insurance, on 1967 AC 428 would be higher. At 7,010 cc (8 cylinders), 1967 AC 428 is equipped with a bigger engine. In terms of performance, 1967 AC 428 (345 HP @ 4600 RPM) has 216 more horse power than 1991 Cadillac DeVille. (129 HP @ 4200 RPM). In normal driving conditions, 1967 AC 428 should accelerate faster than 1991 Cadillac DeVille. With that said, vehicle weight also plays an important factor in acceleration. 1991 Cadillac DeVille weights approximately 57 kg more than 1967 AC 428.
Because 1967 AC 428 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 1967 AC 428. However, in wet, icy, snow, or gravel driving conditions, 1991 Cadillac DeVille, 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, 1967 AC 428 (627 Nm @ 2800 RPM) has 356 more torque (in Nm) than 1991 Cadillac DeVille. (271 Nm @ 2200 RPM). This means 1967 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 1991 Cadillac DeVille.
Compare all specifications:
| 1967 AC 428 | 1991 Cadillac DeVille | |
| Make | AC | Cadillac |
| Model | 428 | DeVille |
| Year Released | 1967 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 7010 cc | 4087 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 345 HP | 129 HP |
| Engine RPM | 4600 RPM | 4200 RPM |
| Torque | 627 Nm | 271 Nm |
| Torque RPM | 2800 RPM | 2200 RPM |
| Engine Bore Size | 105 mm | 88.1 mm |
| Engine Stroke Size | 101.2 mm | 84 mm |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1483 kg | 1540 kg |
| Vehicle Length | 4520 mm | 4960 mm |
| Vehicle Width | 1710 mm | 1830 mm |
| Vehicle Height | 1260 mm | 1400 mm |
| Wheelbase Size | 2440 mm | 2820 mm |
