2007 Audi S4 vs. 1984 Ford Fiesta
To start off, 2007 Audi S4 is newer by 23 year(s). Which means there will be less support and parts availability for 1984 Ford Fiesta. In addition, the cost of maintenance, including insurance, on 1984 Ford Fiesta would be higher. At 4,163 cc (8 cylinders), 2007 Audi S4 is equipped with a bigger engine. In terms of performance, 2007 Audi S4 (340 HP @ 7000 RPM) has 291 more horse power than 1984 Ford Fiesta. (49 HP @ 5000 RPM). In normal driving conditions, 2007 Audi S4 should accelerate faster than 1984 Ford Fiesta. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi S4 weights approximately 755 kg more than 1984 Ford Fiesta. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 1984 Ford Fiesta. In wet, icy, snow, or gravel driving conditions, 2007 Audi S4 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2007 Audi S4 (410 Nm @ 3500 RPM) has 327 more torque (in Nm) than 1984 Ford Fiesta. (83 Nm @ 2700 RPM). This means 2007 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1984 Ford Fiesta.
Compare all specifications:
| 2007 Audi S4 | 1984 Ford Fiesta | |
| Make | Audi | Ford |
| Model | S4 | Fiesta |
| Year Released | 2007 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1117 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 340 HP | 49 HP |
| Engine RPM | 7000 RPM | 5000 RPM |
| Torque | 410 Nm | 83 Nm |
| Torque RPM | 3500 RPM | 2700 RPM |
| Engine Bore Size | 84.5 mm | 74 mm |
| Engine Stroke Size | 93 mm | 65 mm |
| Engine Compression Ratio | 11.0:1 | 9.5:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1530 kg | 775 kg |
| Vehicle Length | 4590 mm | 3650 mm |
| Vehicle Width | 1790 mm | 1590 mm |
| Vehicle Height | 1420 mm | 1340 mm |
| Wheelbase Size | 2660 mm | 2300 mm |
