2004 Audi A4 vs. 1971 Ford Zephyr
To start off, 2004 Audi A4 is newer by 33 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 2,967 cc (6 cylinders), 2004 Audi A4 is equipped with a bigger engine. In terms of performance, 2004 Audi A4 (201 HP @ 3500 RPM) has 120 more horse power than 1971 Ford Zephyr. (81 HP @ 4750 RPM). In normal driving conditions, 2004 Audi A4 should accelerate faster than 1971 Ford Zephyr. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A4 weights approximately 360 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 2004 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, 2004 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, 2004 Audi A4 (451 Nm @ 1400 RPM) has 298 more torque (in Nm) than 1971 Ford Zephyr. (153 Nm @ 2750 RPM). This means 2004 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1971 Ford Zephyr.
Compare all specifications:
| 2004 Audi A4 | 1971 Ford Zephyr | |
| Make | Audi | Ford |
| Model | A4 | Zephyr |
| Year Released | 2004 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 1996 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 201 HP | 81 HP |
| Engine RPM | 3500 RPM | 4750 RPM |
| Torque | 451 Nm | 153 Nm |
| Torque RPM | 1400 RPM | 2750 RPM |
| Engine Bore Size | 83 mm | 93.7 mm |
| Engine Stroke Size | 91.4 mm | 72.4 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1610 kg | 1250 kg |
| Vehicle Length | 4590 mm | 4710 mm |
| Vehicle Width | 1770 mm | 1820 mm |
| Vehicle Height | 1430 mm | 1490 mm |
| Wheelbase Size | 2430 mm | 2930 mm |
