1978 Alfa Romeo Giulietta vs. 2005 Audi S4
To start off, 2005 Audi S4 is newer by 27 year(s). Which means there will be less support and parts availability for 1978 Alfa Romeo Giulietta. In addition, the cost of maintenance, including insurance, on 1978 Alfa Romeo Giulietta would be higher. At 4,161 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 6300 RPM) has 232 more horse power than 1978 Alfa Romeo Giulietta. (108 HP @ 5600 RPM) In normal driving conditions, 2005 Audi S4 should accelerate faster than 1978 Alfa Romeo Giulietta. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 769 kg more than 1978 Alfa Romeo Giulietta. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2005 Audi S4 (410 Nm) has 267 more torque (in Nm) than 1978 Alfa Romeo Giulietta. (143 Nm). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1978 Alfa Romeo Giulietta.
Compare all specifications:
| 1978 Alfa Romeo Giulietta | 2005 Audi S4 | |
| Make | Alfa Romeo | Audi |
| Model | Giulietta | S4 |
| Year Released | 1978 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1570 cc | 4161 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 5 valves |
| Horse Power | 108 HP | 340 HP |
| Engine RPM | 5600 RPM | 6300 RPM |
| Torque | 143 Nm | 410 Nm |
| Engine Bore Size | 78 mm | 85 mm |
| Engine Stroke Size | 82 mm | 93 mm |
| Engine Compression Ratio | 9.0:1 | 11.0:1 |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1071 kg | 1840 kg |
| Vehicle Length | 4220 mm | 4580 mm |
| Vehicle Width | 1660 mm | 1780 mm |
| Vehicle Height | 1410 mm | 1400 mm |
| Wheelbase Size | 2460 mm | 2660 mm |
| Fuel Tank Capacity | 53 L | 63 L |
