2005 Audi S4 vs. 1988 BMW 520
To start off, 2005 Audi S4 is newer by 17 year(s). Which means there will be less support and parts availability for 1988 BMW 520. In addition, the cost of maintenance, including insurance, on 1988 BMW 520 would be higher. At 4,172 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 4000 RPM) has 211 more horse power than 1988 BMW 520. (129 HP @ 6000 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 1988 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 215 kg more than 1988 BMW 520. 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 236 more torque (in Nm) than 1988 BMW 520. (174 Nm). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1988 BMW 520.
Compare all specifications:
| 2005 Audi S4 | 1988 BMW 520 | |
| Make | Audi | BMW |
| Model | S4 | 520 |
| Year Released | 2005 | 1988 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 1989 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 129 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 410 Nm | 174 Nm |
| Engine Bore Size | 85 mm | 80 mm |
| Engine Stroke Size | 93 mm | 66 mm |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1785 kg | 1570 kg |
| Vehicle Length | 4550 mm | 4780 mm |
| Vehicle Width | 1770 mm | 1810 mm |
| Vehicle Height | 1430 mm | 1440 mm |
| Wheelbase Size | 2470 mm | 2770 mm |
| Fuel Consumption Highway | 11.2 L/100km | 7.8 L/100km |
| Fuel Consumption City | 15.7 L/100km | 13.5 L/100km |
| Fuel Consumption Overall | 13.8 L/100km | 9.9 L/100km |
| Fuel Tank Capacity | 66 L | 70 L |
