1965 AC 427 vs. 1976 Alfa Romeo Navajo
To start off, 1976 Alfa Romeo Navajo is newer by 11 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 182 more horse power than 1976 Alfa Romeo Navajo. (228 HP @ 8800 RPM). In normal driving conditions, 1965 AC 427 should accelerate faster than 1976 Alfa Romeo Navajo. With that said, vehicle weight also plays an important factor in acceleration. 1965 AC 427 weights approximately 527 kg more than 1976 Alfa Romeo Navajo. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 346 more torque (in Nm) than 1976 Alfa Romeo Navajo. (306 Nm @ 7000 RPM). This means 1965 AC 427 will have an easier job in driving up hills or pulling heavy equipment than 1976 Alfa Romeo Navajo. 1965 AC 427 has automatic transmission and 1976 Alfa Romeo Navajo has manual transmission. 1976 Alfa Romeo Navajo will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1965 AC 427 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1965 AC 427 | 1976 Alfa Romeo Navajo | |
| Make | AC | Alfa Romeo |
| Model | 427 | Navajo |
| Year Released | 1965 | 1976 |
| Engine Position | Front | Middle |
| Engine Size | 6997 cc | 1995 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 410 HP | 228 HP |
| Engine RPM | 4000 RPM | 8800 RPM |
| Torque | 652 Nm | 306 Nm |
| Torque RPM | 3700 RPM | 7000 RPM |
| Engine Bore Size | 107.7 mm | 78 mm |
| Engine Stroke Size | 96 mm | 52.2 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1397 kg | 870 kg |
| Vehicle Length | 4430 mm | 3810 mm |
| Vehicle Width | 1710 mm | 1870 mm |
| Vehicle Height | 1300 mm | 1060 mm |
| Wheelbase Size | 2440 mm | 2440 mm |
