1967 AC 428 vs. 1966 AC Cobra
To start off, 1967 AC 428 is newer by 1 year(s). Which means there will be less support and parts availability for 1966 AC Cobra. In addition, the cost of maintenance, including insurance, on 1966 AC Cobra would be higher. At 7,010 cc (8 cylinders), 1967 AC 428 is equipped with a bigger engine. In terms of performance, 1966 AC Cobra (410 HP @ 6000 RPM) has 65 more horse power than 1967 AC 428. (345 HP @ 4600 RPM) In normal driving conditions, 1966 AC Cobra should accelerate faster than 1967 AC 428. With that said, vehicle weight also plays an important factor in acceleration. 1967 AC 428 weights approximately 336 kg more than 1966 AC Cobra.
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, 1966 AC Cobra (651 Nm @ 3700 RPM) has 25 more torque (in Nm) than 1967 AC 428. (626 Nm @ 2800 RPM). This means 1966 AC Cobra will have an easier job in driving up hills or pulling heavy equipment than 1967 AC 428. 1967 AC 428 has automatic transmission and 1966 AC Cobra has manual transmission. 1966 AC Cobra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1967 AC 428 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1967 AC 428 | 1966 AC Cobra | |
| Make | AC | AC |
| Model | 428 | Cobra |
| Year Released | 1967 | 1966 |
| Body Type | Coupe | Roadster |
| Engine Position | Front | Front |
| Engine Size | 7010 cc | 6997 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 345 HP | 410 HP |
| Engine RPM | 4600 RPM | 6000 RPM |
| Torque | 626 Nm | 651 Nm |
| Torque RPM | 2800 RPM | 3700 RPM |
| Engine Bore Size | 105 mm | 107.7 mm |
| Engine Stroke Size | 101.2 mm | 96 mm |
| Engine Compression Ratio | 10.5:1 | 11.5:1 |
| Top Speed | 233 km/hour | 266 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1483 kg | 1147 kg |
| Vehicle Length | 4520 mm | 3970 mm |
| Vehicle Width | 1710 mm | 1730 mm |
| Vehicle Height | 1260 mm | 1250 mm |
| Wheelbase Size | 2440 mm | 2290 mm |
| Fuel Tank Capacity | 85 L | 68 L |
