2007 Audi A4 vs. 1981 Ford Mustang
To start off, 2007 Audi A4 is newer by 26 year(s). Which means there will be less support and parts availability for 1981 Ford Mustang. In addition, the cost of maintenance, including insurance, on 1981 Ford Mustang would be higher. At 2,294 cc (4 cylinders), 1981 Ford Mustang is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (138 HP @ 4000 RPM) has 51 more horse power than 1981 Ford Mustang. (87 HP @ 4800 RPM). In normal driving conditions, 2007 Audi A4 should accelerate faster than 1981 Ford Mustang. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 90 kg more than 1981 Ford Mustang. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1981 Ford Mustang is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1981 Ford Mustang. However, in wet, icy, snow, or gravel driving conditions, 2007 Audi A4, being front wheel drive (FWD), will offer much better control with better grip. 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, 2007 Audi A4 (320 Nm @ 1750 RPM) has 159 more torque (in Nm) than 1981 Ford Mustang. (161 Nm @ 2800 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1981 Ford Mustang.
Compare all specifications:
| 2007 Audi A4 | 1981 Ford Mustang | |
| Make | Audi | Ford |
| Model | A4 | Mustang |
| Year Released | 2007 | 1981 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 2294 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 138 HP | 87 HP |
| Engine RPM | 4000 RPM | 4800 RPM |
| Torque | 320 Nm | 161 Nm |
| Torque RPM | 1750 RPM | 2800 RPM |
| Engine Bore Size | 81.1 mm | 96.1 mm |
| Engine Stroke Size | 95.5 mm | 79.5 mm |
| Engine Compression Ratio | 18.0:1 | 9.0:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1275 kg | 1185 kg |
| Vehicle Length | 4550 mm | 4560 mm |
| Vehicle Width | 1780 mm | 1720 mm |
| Vehicle Height | 1430 mm | 1320 mm |
| Wheelbase Size | 2660 mm | 2560 mm |
