2005 Audi S4 vs. 1986 Mazda 929
To start off, 2005 Audi S4 is newer by 19 year(s). Which means there will be less support and parts availability for 1986 Mazda 929. In addition, the cost of maintenance, including insurance, on 1986 Mazda 929 would be higher. At 4,161 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 6300 RPM) has 150 more horse power than 1986 Mazda 929. (190 HP @ 5600 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 1986 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 215 kg more than 1986 Mazda 929. 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 151 more torque (in Nm) than 1986 Mazda 929. (259 Nm). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1986 Mazda 929.
Compare all specifications:
| 2005 Audi S4 | 1986 Mazda 929 | |
| Make | Audi | Mazda |
| Model | S4 | 929 |
| Year Released | 2005 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 4161 cc | 2953 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 340 HP | 190 HP |
| Engine RPM | 6300 RPM | 5600 RPM |
| Torque | 410 Nm | 259 Nm |
| Engine Bore Size | 85 mm | 90 mm |
| Engine Stroke Size | 93 mm | 77.4 mm |
| Engine Compression Ratio | 11.0:1 | 8.9:1 |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1840 kg | 1625 kg |
| Vehicle Length | 4580 mm | 4930 mm |
| Vehicle Width | 1780 mm | 1730 mm |
| Vehicle Height | 1400 mm | 1390 mm |
| Wheelbase Size | 2660 mm | 2720 mm |
