2005 Audi S4 vs. 1993 BMW 840
To start off, 2005 Audi S4 is newer by 12 year(s). Which means there will be less support and parts availability for 1993 BMW 840. In addition, the cost of maintenance, including insurance, on 1993 BMW 840 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 58 more horse power than 1993 BMW 840. (282 HP @ 5800 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 1993 BMW 840. With that said, vehicle weight also plays an important factor in acceleration. 1993 BMW 840 weights approximately 45 kg more than 2005 Audi S4.
Let's talk about torque, 2005 Audi S4 (410 Nm) has 10 more torque (in Nm) than 1993 BMW 840. (400 Nm). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1993 BMW 840.
Compare all specifications:
| 2005 Audi S4 | 1993 BMW 840 | |
| Make | Audi | BMW |
| Model | S4 | 840 |
| Year Released | 2005 | 1993 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 3981 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 340 HP | 282 HP |
| Engine RPM | 4000 RPM | 5800 RPM |
| Torque | 410 Nm | 400 Nm |
| Engine Bore Size | 85 mm | 89 mm |
| Engine Stroke Size | 93 mm | 80 mm |
| Engine Compression Ratio | 11.0:1 | 10.0:1 |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1785 kg | 1830 kg |
| Vehicle Length | 4550 mm | 4790 mm |
| Vehicle Width | 1770 mm | 1860 mm |
| Vehicle Height | 1430 mm | 1350 mm |
| Wheelbase Size | 2470 mm | 2690 mm |
| Fuel Tank Capacity | 66 L | 90 L |
