2004 Audi S4 vs. 2001 BMW Z8
To start off, 2004 Audi S4 is newer by 3 year(s). Which means there will be less support and parts availability for 2001 BMW Z8. In addition, the cost of maintenance, including insurance, on 2001 BMW Z8 would be higher. At 4,939 cc (8 cylinders), 2001 BMW Z8 is equipped with a bigger engine. In terms of performance, 2001 BMW Z8 (400 HP @ 6600 RPM) has 60 more horse power than 2004 Audi S4. (340 HP @ 6200 RPM) In normal driving conditions, 2001 BMW Z8 should accelerate faster than 2004 Audi S4. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi S4 weights approximately 310 kg more than 2001 BMW Z8.
Let's talk about torque, 2001 BMW Z8 (500 Nm) has 89 more torque (in Nm) than 2004 Audi S4. (411 Nm). This means 2001 BMW Z8 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi S4.
Compare all specifications:
| 2004 Audi S4 | 2001 BMW Z8 | |
| Make | Audi | BMW |
| Model | S4 | Z8 |
| Year Released | 2004 | 2001 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 4939 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 400 HP |
| Engine RPM | 6200 RPM | 6600 RPM |
| Torque | 411 Nm | 500 Nm |
| Engine Bore Size | 85 mm | 94 mm |
| Engine Stroke Size | 93 mm | 89 mm |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1895 kg | 1585 kg |
| Vehicle Length | 4580 mm | 4410 mm |
| Vehicle Width | 1780 mm | 1840 mm |
| Vehicle Height | 1400 mm | 1320 mm |
| Wheelbase Size | 2770 mm | 2580 mm |
| Fuel Consumption | 10.2 L/100km | 10.6 L/100km |
| Fuel Consumption City | 13.1 L/100km | 21.1 L/100km |
| Fuel Consumption Overall | 11.8 L/100km | 14.5 L/100km |
| Fuel Tank Capacity | 63 L | 73 L |
