1999 Audi A4 vs. 1991 Ford Mustang
To start off, 1999 Audi A4 is newer by 8 year(s). Which means there will be less support and parts availability for 1991 Ford Mustang. In addition, the cost of maintenance, including insurance, on 1991 Ford Mustang would be higher. At 2,301 cc (4 cylinders), 1991 Ford Mustang is equipped with a bigger engine. In terms of performance, 1999 Audi A4 (247 HP @ 5300 RPM) has 141 more horse power than 1991 Ford Mustang. (106 HP @ 4600 RPM). In normal driving conditions, 1999 Audi A4 should accelerate faster than 1991 Ford Mustang. With that said, vehicle weight also plays an important factor in acceleration. 1991 Ford Mustang weights approximately 60 kg more than 1999 Audi A4.
Because 1991 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 1991 Ford Mustang. However, in wet, icy, snow, or gravel driving conditions, 1999 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, 1999 Audi A4 (320 Nm @ 3800 RPM) has 137 more torque (in Nm) than 1991 Ford Mustang. (183 Nm @ 2600 RPM). This means 1999 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Mustang.
Compare all specifications:
| 1999 Audi A4 | 1991 Ford Mustang | |
| Make | Audi | Ford |
| Model | A4 | Mustang |
| Year Released | 1999 | 1991 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1595 cc | 2301 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 247 HP | 106 HP |
| Engine RPM | 5300 RPM | 4600 RPM |
| Torque | 320 Nm | 183 Nm |
| Torque RPM | 3800 RPM | 2600 RPM |
| Engine Bore Size | 81 mm | 96 mm |
| Engine Stroke Size | 77.4 mm | 79.5 mm |
| Engine Compression Ratio | 10.3:1 | 9.5:1 |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1200 kg | 1260 kg |
| Vehicle Length | 4480 mm | 4560 mm |
| Vehicle Width | 1740 mm | 1760 mm |
| Vehicle Height | 1420 mm | 1330 mm |
| Wheelbase Size | 2620 mm | 2560 mm |
| Fuel Tank Capacity | 62 L | 45 L |
