1951 Alfa Romeo 6C vs. 2003 Opel Signum
To start off, 2003 Opel Signum is newer by 52 year(s). Which means there will be less support and parts availability for 1951 Alfa Romeo 6C. In addition, the cost of maintenance, including insurance, on 1951 Alfa Romeo 6C would be higher. At 2,958 cc (6 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2003 Opel Signum (175 HP @ 4000 RPM) has 71 more horse power than 1951 Alfa Romeo 6C. (104 HP @ 4800 RPM) In normal driving conditions, 2003 Opel Signum should accelerate faster than 1951 Alfa Romeo 6C. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 270 kg more than 1951 Alfa Romeo 6C. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1951 Alfa Romeo 6C 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 1951 Alfa Romeo 6C. 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.
Compare all specifications:
| 1951 Alfa Romeo 6C | 2003 Opel Signum | |
| Make | Alfa Romeo | Opel |
| Model | 6C | Signum |
| Year Released | 1951 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 2443 cc | 2958 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 104 HP | 175 HP |
| Engine RPM | 4800 RPM | 4000 RPM |
| Engine Bore Size | 72 mm | 87.5 mm |
| Engine Stroke Size | 100 mm | 82 mm |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 165 km/hour | 221 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1400 kg | 1670 kg |
| Vehicle Length | 4690 mm | 4640 mm |
| Vehicle Width | 1910 mm | 1800 mm |
| Vehicle Height | 1510 mm | 1470 mm |
| Wheelbase Size | 2710 mm | 2700 mm |
