2007 Audi S4 vs. 2003 Ford Mustang
To start off, 2007 Audi S4 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Ford Mustang. In addition, the cost of maintenance, including insurance, on 2003 Ford Mustang would be higher. At 4,600 cc (8 cylinders), 2003 Ford Mustang is equipped with a bigger engine. In terms of performance, 2003 Ford Mustang (400 HP @ 6000 RPM) has 61 more horse power than 2007 Audi S4. (339 HP @ 7000 RPM) In normal driving conditions, 2003 Ford Mustang should accelerate faster than 2007 Audi S4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi S4 weights approximately 257 kg more than 2003 Ford Mustang.
Because 2007 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Ford Mustang. In wet, icy, snow, or gravel driving conditions, 2007 Audi S4 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, 2003 Ford Mustang (529 Nm @ 3500 RPM) has 119 more torque (in Nm) than 2007 Audi S4. (410 Nm @ 3500 RPM). This means 2003 Ford Mustang will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi S4. 2003 Ford Mustang has automatic transmission and 2007 Audi S4 has manual transmission. 2007 Audi S4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Ford Mustang will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi S4 | 2003 Ford Mustang | |
| Make | Audi | Ford |
| Model | S4 | Mustang |
| Year Released | 2007 | 2003 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 4600 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 339 HP | 400 HP |
| Engine RPM | 7000 RPM | 6000 RPM |
| Torque | 410 Nm | 529 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Engine Bore Size | 84.5 mm | 90.2 mm |
| Engine Stroke Size | 92.8 mm | 90 mm |
| Engine Compression Ratio | 11.0:1 | 8.5:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1735 kg | 1478 kg |
| Vehicle Length | 4580 mm | 4630 mm |
| Vehicle Width | 1790 mm | 1900 mm |
| Vehicle Height | 1420 mm | 1360 mm |
| Wheelbase Size | 2660 mm | 2580 mm |
| Fuel Tank Capacity | 63 L | 68 L |
