1976 Alfa Romeo Navajo vs. 1986 Ford Sierra
To start off, 1986 Ford Sierra is newer by 10 year(s). Which means there will be less support and parts availability for 1976 Alfa Romeo Navajo. In addition, the cost of maintenance, including insurance, on 1976 Alfa Romeo Navajo would be higher. At 2,792 cc (6 cylinders), 1986 Ford Sierra is equipped with a bigger engine. In terms of performance, 1976 Alfa Romeo Navajo (228 HP @ 8800 RPM) has 68 more horse power than 1986 Ford Sierra. (160 HP @ 5700 RPM). In normal driving conditions, 1976 Alfa Romeo Navajo should accelerate faster than 1986 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1986 Ford Sierra weights approximately 396 kg more than 1976 Alfa Romeo Navajo.
Because 1986 Ford Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1976 Alfa Romeo Navajo. In wet, icy, snow, or gravel driving conditions, 1986 Ford Sierra will offer significantly more control. 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, 1976 Alfa Romeo Navajo (306 Nm @ 7000 RPM) has 90 more torque (in Nm) than 1986 Ford Sierra. (216 Nm @ 4300 RPM). This means 1976 Alfa Romeo Navajo will have an easier job in driving up hills or pulling heavy equipment than 1986 Ford Sierra.
Compare all specifications:
| 1976 Alfa Romeo Navajo | 1986 Ford Sierra | |
| Make | Alfa Romeo | Ford |
| Model | Navajo | Sierra |
| Year Released | 1976 | 1986 |
| Engine Position | Middle | Front |
| Engine Size | 1995 cc | 2792 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 228 HP | 160 HP |
| Engine RPM | 8800 RPM | 5700 RPM |
| Torque | 306 Nm | 216 Nm |
| Torque RPM | 7000 RPM | 4300 RPM |
| Engine Bore Size | 78 mm | 93 mm |
| Engine Stroke Size | 52.2 mm | 68.5 mm |
| Engine Compression Ratio | 10.0:1 | 9.2:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 870 kg | 1266 kg |
| Vehicle Length | 3810 mm | 4430 mm |
| Vehicle Width | 1870 mm | 1730 mm |
| Wheelbase Size | 2440 mm | 2610 mm |
