2009 Audi S4 vs. 1984 Ferrari Testarossa
To start off, 2009 Audi S4 is newer by 25 year(s). Which means there will be less support and parts availability for 1984 Ferrari Testarossa. In addition, the cost of maintenance, including insurance, on 1984 Ferrari Testarossa would be higher. At 4,942 cc (12 cylinders), 1984 Ferrari Testarossa is equipped with a bigger engine. In terms of performance, 1984 Ferrari Testarossa (386 HP @ 6300 RPM) has 46 more horse power than 2009 Audi S4. (340 HP @ 7000 RPM) In normal driving conditions, 1984 Ferrari Testarossa should accelerate faster than 2009 Audi S4. With that said, vehicle weight also plays an important factor in acceleration. 1984 Ferrari Testarossa weights approximately 576 kg more than 2009 Audi S4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 1984 Ferrari Testarossa. In wet, icy, snow, or gravel driving conditions, 2009 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, 1984 Ferrari Testarossa (490 Nm @ 4500 RPM) has 80 more torque (in Nm) than 2009 Audi S4. (410 Nm @ 3500 RPM). This means 1984 Ferrari Testarossa will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi S4.
Compare all specifications:
| 2009 Audi S4 | 1984 Ferrari Testarossa | |
| Make | Audi | Ferrari |
| Model | S4 | Testarossa |
| Year Released | 2009 | 1984 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 4163 cc | 4942 cc |
| Engine Cylinders | 8 cylinders | 12 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 386 HP |
| Engine RPM | 7000 RPM | 6300 RPM |
| Torque | 410 Nm | 490 Nm |
| Torque RPM | 3500 RPM | 4500 RPM |
| Engine Bore Size | 84.6 mm | 82 mm |
| Engine Stroke Size | 92.8 mm | 78 mm |
| Engine Compression Ratio | 18.0:1 | 9.3:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 930 kg | 1506 kg |
| Vehicle Length | 4580 mm | 4490 mm |
| Vehicle Width | 1780 mm | 1980 mm |
| Vehicle Height | 1400 mm | 1140 mm |
| Wheelbase Size | 2660 mm | 2460 mm |
| Fuel Tank Capacity | 63 L | 115 L |
