2005 Audi A4 vs. 1981 Ford Fiesta
To start off, 2005 Audi A4 is newer by 24 year(s). Which means there will be less support and parts availability for 1981 Ford Fiesta. In addition, the cost of maintenance, including insurance, on 1981 Ford Fiesta would be higher. At 2,976 cc (6 cylinders), 2005 Audi A4 is equipped with a bigger engine. In terms of performance, 2005 Audi A4 (218 HP @ 6300 RPM) has 135 more horse power than 1981 Ford Fiesta. (83 HP @ 5500 RPM). In normal driving conditions, 2005 Audi A4 should accelerate faster than 1981 Ford Fiesta. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 660 kg more than 1981 Ford Fiesta. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2005 Audi A4 (300 Nm @ 3200 RPM) has 174 more torque (in Nm) than 1981 Ford Fiesta. (126 Nm @ 2800 RPM). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1981 Ford Fiesta. 2005 Audi A4 has automatic transmission and 1981 Ford Fiesta has manual transmission. 1981 Ford Fiesta will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi A4 | 1981 Ford Fiesta | |
| Make | Audi | Ford |
| Model | A4 | Fiesta |
| Year Released | 2005 | 1981 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2976 cc | 1598 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 218 HP | 83 HP |
| Engine RPM | 6300 RPM | 5500 RPM |
| Torque | 300 Nm | 126 Nm |
| Torque RPM | 3200 RPM | 2800 RPM |
| Engine Bore Size | 82.5 mm | 81 mm |
| Engine Stroke Size | 92.8 mm | 77.6 mm |
| Top Speed | 238 km/hour | 171 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1460 kg | 800 kg |
| Wheelbase Size | 2770 mm | 2310 mm |
| Fuel Tank Capacity | 70 L | 34 L |
