1999 Audi A4 vs. 1971 Ford Zephyr
To start off, 1999 Audi A4 is newer by 28 year(s). Which means there will be less support and parts availability for 1971 Ford Zephyr. In addition, the cost of maintenance, including insurance, on 1971 Ford Zephyr would be higher. At 1,996 cc (4 cylinders), 1971 Ford Zephyr is equipped with a bigger engine. In terms of performance, 1999 Audi A4 (123 HP @ 5800 RPM) has 42 more horse power than 1971 Ford Zephyr. (81 HP @ 4750 RPM). In normal driving conditions, 1999 Audi A4 should accelerate faster than 1971 Ford Zephyr. With that said, vehicle weight also plays an important factor in acceleration. 1999 Audi A4 weights approximately 140 kg more than 1971 Ford Zephyr. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1971 Ford Zephyr. In wet, icy, snow, or gravel driving conditions, 1999 Audi A4 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, 1999 Audi A4 (168 Nm @ 3500 RPM) has 15 more torque (in Nm) than 1971 Ford Zephyr. (153 Nm @ 2750 RPM). This means 1999 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1971 Ford Zephyr.
Compare all specifications:
| 1999 Audi A4 | 1971 Ford Zephyr | |
| Make | Audi | Ford |
| Model | A4 | Zephyr |
| Year Released | 1999 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 1996 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 123 HP | 81 HP |
| Engine RPM | 5800 RPM | 4750 RPM |
| Torque | 168 Nm | 153 Nm |
| Torque RPM | 3500 RPM | 2750 RPM |
| Engine Bore Size | 81 mm | 93.7 mm |
| Engine Stroke Size | 86.4 mm | 72.4 mm |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1390 kg | 1250 kg |
| Vehicle Length | 4480 mm | 4710 mm |
| Vehicle Width | 1740 mm | 1820 mm |
| Vehicle Height | 1420 mm | 1490 mm |
| Wheelbase Size | 2610 mm | 2930 mm |
