2009 Audi A4 vs. 1999 Ford Mustang
To start off, 2009 Audi A4 is newer by 10 year(s). Which means there will be less support and parts availability for 1999 Ford Mustang. In addition, the cost of maintenance, including insurance, on 1999 Ford Mustang would be higher. At 4,605 cc (8 cylinders), 1999 Ford Mustang is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (328 HP @ 5500 RPM) has 72 more horse power than 1999 Ford Mustang. (256 HP @ 5250 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 1999 Ford Mustang. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 168 kg more than 1999 Ford Mustang. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1999 Ford Mustang. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Audi A4 (440 Nm @ 2900 RPM) has 34 more torque (in Nm) than 1999 Ford Mustang. (406 Nm @ 4000 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1999 Ford Mustang.
Compare all specifications:
| 2009 Audi A4 | 1999 Ford Mustang | |
| Make | Audi | Ford |
| Model | A4 | Mustang |
| Year Released | 2009 | 1999 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2995 cc | 4605 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 328 HP | 256 HP |
| Engine RPM | 5500 RPM | 5250 RPM |
| Torque | 440 Nm | 406 Nm |
| Torque RPM | 2900 RPM | 4000 RPM |
| Engine Bore Size | 84.6 mm | 90.2 mm |
| Engine Stroke Size | 89 mm | 90 mm |
| Engine Compression Ratio | 10.3:1 | 9.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1650 kg | 1482 kg |
| Vehicle Length | 4720 mm | 4660 mm |
| Vehicle Width | 1830 mm | 1860 mm |
| Vehicle Height | 1410 mm | 1360 mm |
| Wheelbase Size | 2820 mm | 2580 mm |
