2005 Audi S4 vs. 1984 Ford Sierra
To start off, 2005 Audi S4 is newer by 21 year(s). Which means there will be less support and parts availability for 1984 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1984 Ford Sierra 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 226 more horse power than 1984 Ford Sierra. (114 HP @ 5300 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 1984 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 725 kg more than 1984 Ford Sierra. 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 234 more torque (in Nm) than 1984 Ford Sierra. (176 Nm). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1984 Ford Sierra.
Compare all specifications:
| 2005 Audi S4 | 1984 Ford Sierra | |
| Make | Audi | Ford |
| Model | S4 | Sierra |
| Year Released | 2005 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 4161 cc | 2294 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 340 HP | 114 HP |
| Engine RPM | 6300 RPM | 5300 RPM |
| Torque | 410 Nm | 176 Nm |
| Engine Bore Size | 85 mm | 90 mm |
| Engine Stroke Size | 93 mm | 60.1 mm |
| Engine Compression Ratio | 11.0:1 | 9.0:1 |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1840 kg | 1115 kg |
| Vehicle Length | 4580 mm | 4420 mm |
| Vehicle Width | 1780 mm | 1730 mm |
| Vehicle Height | 1400 mm | 1420 mm |
| Wheelbase Size | 2660 mm | 2610 mm |
| Fuel Tank Capacity | 63 L | 60 L |
