2006 Audi S4 vs. 1989 Ford Sierra
To start off, 2006 Audi S4 is newer by 17 year(s). Which means there will be less support and parts availability for 1989 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1989 Ford Sierra would be higher. At 4,163 cc (8 cylinders), 2006 Audi S4 is equipped with a bigger engine. In terms of performance, 2006 Audi S4 (339 HP @ 7000 RPM) has 191 more horse power than 1989 Ford Sierra. (148 HP @ 5700 RPM). In normal driving conditions, 2006 Audi S4 should accelerate faster than 1989 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1989 Ford Sierra weights approximately 20 kg more than 2006 Audi S4.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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, 2006 Audi S4 (411 Nm @ 3500 RPM) has 173 more torque (in Nm) than 1989 Ford Sierra. (238 Nm @ 3000 RPM). This means 2006 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1989 Ford Sierra.
Compare all specifications:
| 2006 Audi S4 | 1989 Ford Sierra | |
| Make | Audi | Ford |
| Model | S4 | Sierra |
| Year Released | 2006 | 1989 |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2933 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 339 HP | 148 HP |
| Engine RPM | 7000 RPM | 5700 RPM |
| Torque | 411 Nm | 238 Nm |
| Torque RPM | 3500 RPM | 3000 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1275 kg | 1295 kg |
| Vehicle Length | 4580 mm | 4430 mm |
| Vehicle Width | 1790 mm | 1700 mm |
| Vehicle Height | 1450 mm | 1370 mm |
| Wheelbase Size | 2660 mm | 2610 mm |
| Fuel Tank Capacity | 63 L | 55 L |
