1972 AMC Ambassador vs. 2004 Opel Signum
To start off, 2004 Opel Signum is newer by 32 year(s). Which means there will be less support and parts availability for 1972 AMC Ambassador. In addition, the cost of maintenance, including insurance, on 1972 AMC Ambassador would be higher. At 6,571 cc (8 cylinders), 1972 AMC Ambassador is equipped with a bigger engine. In terms of performance, 1972 AMC Ambassador (255 HP @ 4600 RPM) has 82 more horse power than 2004 Opel Signum. (173 HP @ 5500 RPM). In normal driving conditions, 1972 AMC Ambassador should accelerate faster than 2004 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 1972 AMC Ambassador weights approximately 147 kg more than 2004 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1972 AMC Ambassador 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 1972 AMC Ambassador. However, in wet, icy, snow, or gravel driving conditions, 2004 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, 1972 AMC Ambassador (468 Nm @ 3300 RPM) has 203 more torque (in Nm) than 2004 Opel Signum. (265 Nm @ 2500 RPM). This means 1972 AMC Ambassador will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Signum. 1972 AMC Ambassador has automatic transmission and 2004 Opel Signum has manual transmission. 2004 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1972 AMC Ambassador will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1972 AMC Ambassador | 2004 Opel Signum | |
| Make | AMC | Opel |
| Model | Ambassador | Signum |
| Year Released | 1972 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 6571 cc | 1995 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 255 HP | 173 HP |
| Engine RPM | 4600 RPM | 5500 RPM |
| Torque | 468 Nm | 265 Nm |
| Torque RPM | 3300 RPM | 2500 RPM |
| Engine Bore Size | 105.6 mm | 86 mm |
| Engine Stroke Size | 93.4 mm | 86 mm |
| Engine Compression Ratio | 8.5:1 | 9.5:1 |
| Top Speed | 175 km/hour | 220 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1707 kg | 1560 kg |
| Vehicle Length | 5370 mm | 4640 mm |
| Vehicle Width | 1970 mm | 1800 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 3110 mm | 2840 mm |
