1971 Cadillac Eldorado vs. 2004 Opel Signum
To start off, 2004 Opel Signum is newer by 33 year(s). Which means there will be less support and parts availability for 1971 Cadillac Eldorado. In addition, the cost of maintenance, including insurance, on 1971 Cadillac Eldorado would be higher. At 8,190 cc (8 cylinders), 1971 Cadillac Eldorado is equipped with a bigger engine. In terms of performance, 1971 Cadillac Eldorado (223 HP @ 4400 RPM) has 98 more horse power than 2004 Opel Signum. (125 HP @ 5600 RPM). In normal driving conditions, 1971 Cadillac Eldorado should accelerate faster than 2004 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 1971 Cadillac Eldorado weights approximately 730 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.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear 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, 1971 Cadillac Eldorado (744 Nm @ 3000 RPM) has 574 more torque (in Nm) than 2004 Opel Signum. (170 Nm @ 3800 RPM). This means 1971 Cadillac Eldorado will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Signum.
Compare all specifications:
| 1971 Cadillac Eldorado | 2004 Opel Signum | |
| Make | Cadillac | Opel |
| Model | Eldorado | Signum |
| Year Released | 1971 | 2004 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 8190 cc | 1796 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 223 HP | 125 HP |
| Engine RPM | 4400 RPM | 5600 RPM |
| Torque | 744 Nm | 170 Nm |
| Torque RPM | 3000 RPM | 3800 RPM |
| Engine Bore Size | 109.2 mm | 80.5 mm |
| Engine Stroke Size | 109.3 mm | 88.2 mm |
| Engine Compression Ratio | 8.5:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 193 km/hour | 197 km/hour |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 2110 kg | 1380 kg |
| Vehicle Length | 5630 mm | 4640 mm |
| Vehicle Width | 2040 mm | 1800 mm |
| Vehicle Height | 1370 mm | 1470 mm |
| Wheelbase Size | 3210 mm | 2700 mm |
| Fuel Tank Capacity | 100 L | 58 L |
