1991 Audi 80 vs. 2007 Audi S4
To start off, 2007 Audi S4 is newer by 16 year(s). Which means there will be less support and parts availability for 1991 Audi 80. In addition, the cost of maintenance, including insurance, on 1991 Audi 80 would be higher. At 4,163 cc (8 cylinders), 2007 Audi S4 is equipped with a bigger engine. In terms of performance, 2007 Audi S4 (339 HP @ 7000 RPM) has 251 more horse power than 1991 Audi 80. (88 HP @ 4000 RPM) In normal driving conditions, 2007 Audi S4 should accelerate faster than 1991 Audi 80. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi S4 weights approximately 465 kg more than 1991 Audi 80. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Audi 80. 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, 2007 Audi S4 (410 Nm @ 3500 RPM) has 228 more torque (in Nm) than 1991 Audi 80. (182 Nm @ 2300 RPM). This means 2007 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi 80.
Compare all specifications:
| 1991 Audi 80 | 2007 Audi S4 | |
| Make | Audi | Audi |
| Model | 80 | S4 |
| Year Released | 1991 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1896 cc | 4163 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 88 HP | 339 HP |
| Engine RPM | 4000 RPM | 7000 RPM |
| Torque | 182 Nm | 410 Nm |
| Torque RPM | 2300 RPM | 3500 RPM |
| Engine Bore Size | 79.5 mm | 84.5 mm |
| Engine Stroke Size | 95.5 mm | 92.8 mm |
| Engine Compression Ratio | 21.0:1 | 11.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 175 km/hour | 250 km/hour |
| Acceleration 0-100mph | 14.1 seconds | 5.9 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1270 kg | 1735 kg |
| Vehicle Length | 4490 mm | 4580 mm |
| Vehicle Width | 1710 mm | 1790 mm |
| Vehicle Height | 1400 mm | 1420 mm |
| Wheelbase Size | 2610 mm | 2660 mm |
| Fuel Consumption Overall | 4.8 L/100km | 13.4 L/100km |
| Fuel Tank Capacity | 66 L | 63 L |
