2007 Audi S4 vs. 1981 Audi 4000
To start off, 2007 Audi S4 is newer by 26 year(s). Which means there will be less support and parts availability for 1981 Audi 4000. In addition, the cost of maintenance, including insurance, on 1981 Audi 4000 would be higher. At 4,161 cc (8 cylinders), 2007 Audi S4 is equipped with a bigger engine. In terms of performance, 2007 Audi S4 (340 HP @ 6800 RPM) has 240 more horse power than 1981 Audi 4000. (100 HP @ 4250 RPM). In normal driving conditions, 2007 Audi S4 should accelerate faster than 1981 Audi 4000.
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, 2007 Audi S4 (410 Nm) has 273 more torque (in Nm) than 1981 Audi 4000. (137 Nm). This means 2007 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1981 Audi 4000.
Compare all specifications:
| 2007 Audi S4 | 1981 Audi 4000 | |
| Make | Audi | Audi |
| Model | S4 | 4000 |
| Year Released | 2007 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 4161 cc | 2144 cc |
| Engine Cylinders | 8 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Horse Power | 340 HP | 100 HP |
| Engine RPM | 6800 RPM | 4250 RPM |
| Torque | 410 Nm | 137 Nm |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4590 mm | 4490 mm |
| Vehicle Width | 1790 mm | 1690 mm |
| Vehicle Height | 1420 mm | 1370 mm |
| Wheelbase Size | 2660 mm | 2550 mm |
