1999 Audi A4 vs. 1971 Ford Mustang
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 Mustang. In addition, the cost of maintenance, including insurance, on 1971 Ford Mustang would be higher. At 5,752 cc (8 cylinders), 1971 Ford Mustang is equipped with a bigger engine. In terms of performance, 1971 Ford Mustang (330 HP @ 5400 RPM) has 82 more horse power than 1999 Audi A4. (248 HP @ 4150 RPM) In normal driving conditions, 1971 Ford Mustang should accelerate faster than 1999 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 1971 Ford Mustang weights approximately 185 kg more than 1999 Audi A4. 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 Mustang. 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, 1971 Ford Mustang (503 Nm @ 4000 RPM) has 164 more torque (in Nm) than 1999 Audi A4. (339 Nm @ 1900 RPM). This means 1971 Ford Mustang will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi A4.
Compare all specifications:
| 1999 Audi A4 | 1971 Ford Mustang | |
| Make | Audi | Ford |
| Model | A4 | Mustang |
| Year Released | 1999 | 1971 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1896 cc | 5752 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 248 HP | 330 HP |
| Engine RPM | 4150 RPM | 5400 RPM |
| Torque | 339 Nm | 503 Nm |
| Torque RPM | 1900 RPM | 4000 RPM |
| Engine Bore Size | 79.5 mm | 101.6 mm |
| Engine Stroke Size | 95.5 mm | 88.9 mm |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1430 kg | 1615 kg |
| Vehicle Length | 4480 mm | 4820 mm |
| Vehicle Width | 1740 mm | 1890 mm |
| Vehicle Height | 1420 mm | 1280 mm |
| Wheelbase Size | 2610 mm | 2780 mm |
| Fuel Tank Capacity | 60 L | 75 L |
