1976 Alfa Romeo Navajo vs. 2003 Opel Signum
To start off, 2003 Opel Signum 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 2,958 cc (6 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 1976 Alfa Romeo Navajo (228 HP @ 8800 RPM) has 53 more horse power than 2003 Opel Signum. (175 HP @ 4000 RPM). In normal driving conditions, 1976 Alfa Romeo Navajo should accelerate faster than 2003 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 800 kg more than 1976 Alfa Romeo Navajo.
Because 1976 Alfa Romeo Navajo 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 1976 Alfa Romeo Navajo. However, in wet, icy, snow, or gravel driving conditions, 2003 Opel Signum, 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, 2003 Opel Signum (371 Nm @ 1900 RPM) has 65 more torque (in Nm) than 1976 Alfa Romeo Navajo. (306 Nm @ 7000 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1976 Alfa Romeo Navajo. 2003 Opel Signum 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. 2003 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1976 Alfa Romeo Navajo | 2003 Opel Signum | |
| Make | Alfa Romeo | Opel |
| Model | Navajo | Signum |
| Year Released | 1976 | 2003 |
| Engine Position | Middle | Front |
| Engine Size | 1995 cc | 2958 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 228 HP | 175 HP |
| Engine RPM | 8800 RPM | 4000 RPM |
| Torque | 306 Nm | 371 Nm |
| Torque RPM | 7000 RPM | 1900 RPM |
| Engine Bore Size | 78 mm | 87.5 mm |
| Engine Stroke Size | 52.2 mm | 82 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 870 kg | 1670 kg |
| Vehicle Length | 3810 mm | 4640 mm |
| Vehicle Width | 1870 mm | 1800 mm |
| Vehicle Height | 1060 mm | 1470 mm |
| Wheelbase Size | 2440 mm | 2700 mm |
