1947 Alfa Romeo 6C vs. 2005 Audi S4
To start off, 2005 Audi S4 is newer by 58 year(s). Which means there will be less support and parts availability for 1947 Alfa Romeo 6C. In addition, the cost of maintenance, including insurance, on 1947 Alfa Romeo 6C would be higher. At 4,163 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 6200 RPM) has 251 more horse power than 1947 Alfa Romeo 6C. (89 HP @ 4600 RPM) In normal driving conditions, 2005 Audi S4 should accelerate faster than 1947 Alfa Romeo 6C. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 276 kg more than 1947 Alfa Romeo 6C. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 1947 Alfa Romeo 6C | 2005 Audi S4 | |
| Make | Alfa Romeo | Audi |
| Model | 6C | S4 |
| Year Released | 1947 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2443 cc | 4163 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 5 valves |
| Horse Power | 89 HP | 340 HP |
| Engine RPM | 4600 RPM | 6200 RPM |
| Engine Bore Size | 72 mm | 85 mm |
| Engine Stroke Size | 100 mm | 93 mm |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1506 kg | 1782 kg |
| Vehicle Length | 4880 mm | 4550 mm |
| Vehicle Width | 1840 mm | 1770 mm |
| Vehicle Height | 1510 mm | 1430 mm |
| Wheelbase Size | 3010 mm | 2760 mm |
| Fuel Tank Capacity | 77 L | 66 L |
