1976 Alfa Romeo Navajo vs. 2003 Porsche 911
To start off, 2003 Porsche 911 is newer by 27 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 3,600 cc (6 cylinders), 2003 Porsche 911 is equipped with a bigger engine. In terms of performance, 2003 Porsche 911 (443 HP @ 6000 RPM) has 215 more horse power than 1976 Alfa Romeo Navajo. (228 HP @ 8800 RPM) In normal driving conditions, 2003 Porsche 911 should accelerate faster than 1976 Alfa Romeo Navajo. With that said, vehicle weight also plays an important factor in acceleration. 2003 Porsche 911 weights approximately 790 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.
Because 2003 Porsche 911 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, 2003 Porsche 911 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, 2003 Porsche 911 (621 Nm @ 2700 RPM) has 315 more torque (in Nm) than 1976 Alfa Romeo Navajo. (306 Nm @ 7000 RPM). This means 2003 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1976 Alfa Romeo Navajo.
Compare all specifications:
| 1976 Alfa Romeo Navajo | 2003 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | Navajo | 911 |
| Year Released | 1976 | 2003 |
| Engine Position | Middle | Rear |
| Engine Size | 1995 cc | 3600 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Horse Power | 228 HP | 443 HP |
| Engine RPM | 8800 RPM | 6000 RPM |
| Torque | 306 Nm | 621 Nm |
| Torque RPM | 7000 RPM | 2700 RPM |
| Engine Bore Size | 78 mm | 100 mm |
| Engine Stroke Size | 52.2 mm | 76.4 mm |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 870 kg | 1660 kg |
| Vehicle Length | 3810 mm | 4440 mm |
| Vehicle Width | 1870 mm | 1840 mm |
| Vehicle Height | 1060 mm | 1300 mm |
| Wheelbase Size | 2440 mm | 2360 mm |
