2005 Audi A4 vs. 1978 Ford Mustang
To start off, 2005 Audi A4 is newer by 27 year(s). Which means there will be less support and parts availability for 1978 Ford Mustang. In addition, the cost of maintenance, including insurance, on 1978 Ford Mustang would be higher. At 2,393 cc (6 cylinders), 2005 Audi A4 is equipped with a bigger engine. In terms of performance, 2005 Audi A4 (177 HP @ 1500 RPM) has 39 more horse power than 1978 Ford Mustang. (138 HP @ 5400 RPM). In normal driving conditions, 2005 Audi A4 should accelerate faster than 1978 Ford Mustang. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 375 kg more than 1978 Ford Mustang. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1978 Ford Mustang. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Audi A4 (370 Nm @ 1500 RPM) has 173 more torque (in Nm) than 1978 Ford Mustang. (197 Nm @ 3000 RPM). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1978 Ford Mustang.
Compare all specifications:
| 2005 Audi A4 | 1978 Ford Mustang | |
| Make | Audi | Ford |
| Model | A4 | Mustang |
| Year Released | 2005 | 1978 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2393 cc | 2300 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 177 HP | 138 HP |
| Engine RPM | 1500 RPM | 5400 RPM |
| Torque | 370 Nm | 197 Nm |
| Torque RPM | 1500 RPM | 3000 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1590 kg | 1215 kg |
| Vehicle Length | 4550 mm | 4560 mm |
| Vehicle Width | 1770 mm | 1720 mm |
| Vehicle Height | 1430 mm | 1320 mm |
| Wheelbase Size | 2580 mm | 2560 mm |
