1950 Alfa Romeo GP 158 vs. 2004 Audi S4
To start off, 2004 Audi S4 is newer by 54 year(s). Which means there will be less support and parts availability for 1950 Alfa Romeo GP 158. In addition, the cost of maintenance, including insurance, on 1950 Alfa Romeo GP 158 would be higher. At 4,163 cc (8 cylinders), 2004 Audi S4 is equipped with a bigger engine. In terms of performance, 1950 Alfa Romeo GP 158 (346 HP @ 8500 RPM) has 6 more horse power than 2004 Audi S4. (340 HP @ 6200 RPM). In normal driving conditions, 1950 Alfa Romeo GP 158 should accelerate faster than 2004 Audi S4. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi S4 weights approximately 1195 kg more than 1950 Alfa Romeo GP 158.
Compare all specifications:
| 1950 Alfa Romeo GP 158 | 2004 Audi S4 | |
| Make | Alfa Romeo | Audi |
| Model | GP 158 | S4 |
| Year Released | 1950 | 2004 |
| Engine Size | 1479 cc | 4163 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 5 valves |
| Horse Power | 346 HP | 340 HP |
| Engine RPM | 8500 RPM | 6200 RPM |
| Vehicle Weight | 700 kg | 1895 kg |
| Wheelbase Size | 2510 mm | 2770 mm |
