2005 Audi S4 vs. 1989 BMW 850
To start off, 2005 Audi S4 is newer by 16 year(s). Which means there will be less support and parts availability for 1989 BMW 850. In addition, the cost of maintenance, including insurance, on 1989 BMW 850 would be higher. At 4,988 cc (12 cylinders), 1989 BMW 850 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 6200 RPM) has 44 more horse power than 1989 BMW 850. (296 HP @ 5200 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 1989 BMW 850. With that said, vehicle weight also plays an important factor in acceleration. 1989 BMW 850 weights approximately 10 kg more than 2005 Audi S4.
Let's talk about torque, 1989 BMW 850 (450 Nm) has 40 more torque (in Nm) than 2005 Audi S4. (410 Nm). This means 1989 BMW 850 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi S4.
Compare all specifications:
| 2005 Audi S4 | 1989 BMW 850 | |
| Make | Audi | BMW |
| Model | S4 | 850 |
| Year Released | 2005 | 1989 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 4988 cc |
| Engine Cylinders | 8 cylinders | 12 cylinders |
| Engine Type | V | V |
| Horse Power | 340 HP | 296 HP |
| Engine RPM | 6200 RPM | 5200 RPM |
| Torque | 410 Nm | 450 Nm |
| Engine Bore Size | 85 mm | 84.1 mm |
| Engine Stroke Size | 93 mm | 75 mm |
| Engine Compression Ratio | 11.0:1 | 8.8:1 |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1782 kg | 1792 kg |
| Vehicle Length | 4550 mm | 4790 mm |
| Vehicle Width | 1770 mm | 1860 mm |
| Vehicle Height | 1430 mm | 1350 mm |
| Wheelbase Size | 2760 mm | 2770 mm |
| Fuel Tank Capacity | 66 L | 90 L |
