2004 Audi S4 vs. 1992 BMW 540
To start off, 2004 Audi S4 is newer by 12 year(s). Which means there will be less support and parts availability for 1992 BMW 540. In addition, the cost of maintenance, including insurance, on 1992 BMW 540 would be higher. At 4,170 cc (8 cylinders), 2004 Audi S4 is equipped with a bigger engine. In terms of performance, 2004 Audi S4 (339 HP @ 7000 RPM) has 57 more horse power than 1992 BMW 540. (282 HP @ 5800 RPM). In normal driving conditions, 2004 Audi S4 should accelerate faster than 1992 BMW 540. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi S4 weights approximately 34 kg more than 1992 BMW 540. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 1992 BMW 540. In wet, icy, snow, or gravel driving conditions, 2004 Audi S4 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2004 Audi S4 (410 Nm @ 3500 RPM) has 10 more torque (in Nm) than 1992 BMW 540. (400 Nm @ 4500 RPM). This means 2004 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1992 BMW 540.
Compare all specifications:
| 2004 Audi S4 | 1992 BMW 540 | |
| Make | Audi | BMW |
| Model | S4 | 540 |
| Year Released | 2004 | 1992 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4170 cc | 3982 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 339 HP | 282 HP |
| Engine RPM | 7000 RPM | 5800 RPM |
| Torque | 410 Nm | 400 Nm |
| Torque RPM | 3500 RPM | 4500 RPM |
| Engine Compression Ratio | 11.0:1 | 10.0:1 |
| Top Speed | 250 km/hour | 235 km/hour |
| Acceleration 0-100mph | 5.9 seconds | 7.5 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1755 kg | 1721 kg |
| Vehicle Length | 4590 mm | 4730 mm |
| Vehicle Width | 1780 mm | 1760 mm |
| Vehicle Height | 1430 mm | 1420 mm |
| Wheelbase Size | 2430 mm | 2770 mm |
| Fuel Consumption | 9.1 L/100km | 9.6 L/100km |
| Fuel Consumption City | 17.9 L/100km | 17.2 L/100km |
| Fuel Consumption Overall | 12.3 L/100km | 8.6 L/100km |
| Fuel Tank Capacity | 63 L | 80 L |
