1977 Audi 100 vs. 2009 Audi A5
To start off, 2009 Audi A5 is newer by 32 year(s). Which means there will be less support and parts availability for 1977 Audi 100. In addition, the cost of maintenance, including insurance, on 1977 Audi 100 would be higher. At 1,968 cc (4 cylinders), 2009 Audi A5 is equipped with a bigger engine. In terms of performance, 2009 Audi A5 (169 HP @ 4200 RPM) has 84 more horse power than 1977 Audi 100. (85 HP @ 5600 RPM) In normal driving conditions, 2009 Audi A5 should accelerate faster than 1977 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A5 weights approximately 360 kg more than 1977 Audi 100. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than 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, 2009 Audi A5 (350 Nm @ 1750 RPM) has 225 more torque (in Nm) than 1977 Audi 100. (125 Nm @ 3200 RPM). This means 2009 Audi A5 will have an easier job in driving up hills or pulling heavy equipment than 1977 Audi 100.
Compare all specifications:
| 1977 Audi 100 | 2009 Audi A5 | |
| Make | Audi | Audi |
| Model | 100 | A5 |
| Year Released | 1977 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 1588 cc | 1968 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 85 HP | 169 HP |
| Engine RPM | 5600 RPM | 4200 RPM |
| Torque | 125 Nm | 350 Nm |
| Torque RPM | 3200 RPM | 1750 RPM |
| Engine Bore Size | 79.5 mm | 81 mm |
| Engine Stroke Size | 80 mm | 95.5 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1110 kg | 1470 kg |
| Vehicle Length | 4600 mm | 4630 mm |
| Vehicle Width | 1770 mm | 1860 mm |
| Vehicle Height | 1400 mm | 1380 mm |
| Wheelbase Size | 2680 mm | 2760 mm |
| Fuel Tank Capacity | 60 L | 65 L |
