1991 Alfa Romeo SZ vs. 2004 Audi S4
To start off, 2004 Audi S4 is newer by 13 year(s). Which means there will be less support and parts availability for 1991 Alfa Romeo SZ. In addition, the cost of maintenance, including insurance, on 1991 Alfa Romeo SZ would be higher. At 4,163 cc (8 cylinders), 2004 Audi S4 is equipped with a bigger engine. In terms of performance, 2004 Audi S4 (340 HP @ 6200 RPM) has 132 more horse power than 1991 Alfa Romeo SZ. (208 HP @ 6200 RPM) In normal driving conditions, 2004 Audi S4 should accelerate faster than 1991 Alfa Romeo SZ. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi S4 weights approximately 635 kg more than 1991 Alfa Romeo SZ. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2004 Audi S4 (411 Nm) has 166 more torque (in Nm) than 1991 Alfa Romeo SZ. (245 Nm). This means 2004 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1991 Alfa Romeo SZ.
Compare all specifications:
| 1991 Alfa Romeo SZ | 2004 Audi S4 | |
| Make | Alfa Romeo | Audi |
| Model | SZ | S4 |
| Year Released | 1991 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 2959 cc | 4163 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 5 valves |
| Horse Power | 208 HP | 340 HP |
| Engine RPM | 6200 RPM | 6200 RPM |
| Torque | 245 Nm | 411 Nm |
| Engine Bore Size | 93 mm | 85 mm |
| Engine Stroke Size | 72.6 mm | 93 mm |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1260 kg | 1895 kg |
| Vehicle Length | 4670 mm | 4580 mm |
| Vehicle Width | 1740 mm | 1780 mm |
| Vehicle Height | 1320 mm | 1400 mm |
| Wheelbase Size | 2520 mm | 2770 mm |
| Fuel Tank Capacity | 50 L | 63 L |
