2005 Audi S4 vs. 1986 Mercedes-Benz 420
To start off, 2005 Audi S4 is newer by 19 year(s). Which means there will be less support and parts availability for 1986 Mercedes-Benz 420. In addition, the cost of maintenance, including insurance, on 1986 Mercedes-Benz 420 would be higher. At 4,196 cc (8 cylinders), 1986 Mercedes-Benz 420 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 6300 RPM) has 109 more horse power than 1986 Mercedes-Benz 420. (231 HP @ 5400 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 1986 Mercedes-Benz 420. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 215 kg more than 1986 Mercedes-Benz 420. 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 83 more torque (in Nm) than 1986 Mercedes-Benz 420. (327 Nm). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1986 Mercedes-Benz 420.
Compare all specifications:
| 2005 Audi S4 | 1986 Mercedes-Benz 420 | |
| Make | Audi | Mercedes-Benz |
| Model | S4 | 420 |
| Year Released | 2005 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 4161 cc | 4196 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 340 HP | 231 HP |
| Engine RPM | 6300 RPM | 5400 RPM |
| Torque | 410 Nm | 327 Nm |
| Engine Bore Size | 85 mm | 92 mm |
| Engine Stroke Size | 93 mm | 78.9 mm |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1840 kg | 1625 kg |
| Vehicle Length | 4580 mm | 5170 mm |
| Vehicle Width | 1780 mm | 2010 mm |
| Vehicle Height | 1400 mm | 1450 mm |
| Wheelbase Size | 2660 mm | 3080 mm |
