2008 Audi S5 vs. 1991 Audi 100
To start off, 2008 Audi S5 is newer by 17 year(s). Which means there will be less support and parts availability for 1991 Audi 100. In addition, the cost of maintenance, including insurance, on 1991 Audi 100 would be higher. At 4,163 cc (8 cylinders), 2008 Audi S5 is equipped with a bigger engine. In terms of performance, 2008 Audi S5 (354 HP @ 6800 RPM) has 181 more horse power than 1991 Audi 100. (173 HP @ 5500 RPM). In normal driving conditions, 2008 Audi S5 should accelerate faster than 1991 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi S5 weights approximately 365 kg more than 1991 Audi 100. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Audi S5 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Audi 100. In wet, icy, snow, or gravel driving conditions, 2008 Audi S5 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, 2008 Audi S5 (441 Nm @ 3500 RPM) has 192 more torque (in Nm) than 1991 Audi 100. (249 Nm @ 3000 RPM). This means 2008 Audi S5 will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi 100. 1991 Audi 100 has automatic transmission and 2008 Audi S5 has manual transmission. 2008 Audi S5 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1991 Audi 100 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Audi S5 | 1991 Audi 100 | |
| Make | Audi | Audi |
| Model | S5 | 100 |
| Year Released | 2008 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2771 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 354 HP | 173 HP |
| Engine RPM | 6800 RPM | 5500 RPM |
| Torque | 441 Nm | 249 Nm |
| Torque RPM | 3500 RPM | 3000 RPM |
| Engine Bore Size | 84.5 mm | 82.5 mm |
| Engine Stroke Size | 92.8 mm | 86.4 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 249 km/hour | 214 km/hour |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1765 kg | 1400 kg |
| Vehicle Length | 4640 mm | 4800 mm |
| Vehicle Width | 1990 mm | 1790 mm |
| Vehicle Height | 1380 mm | 1440 mm |
| Wheelbase Size | 2760 mm | 2700 mm |
