1978 Audi 100 vs. 2009 Citroen C6
To start off, 2009 Citroen C6 is newer by 31 year(s). Which means there will be less support and parts availability for 1978 Audi 100. In addition, the cost of maintenance, including insurance, on 1978 Audi 100 would be higher. At 2,720 cc (6 cylinders), 2009 Citroen C6 is equipped with a bigger engine. In terms of performance, 2009 Citroen C6 (201 HP @ 4200 RPM) has 131 more horse power than 1978 Audi 100. (70 HP @ 4800 RPM) In normal driving conditions, 2009 Citroen C6 should accelerate faster than 1978 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 2009 Citroen C6 weights approximately 660 kg more than 1978 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 Citroen C6 (440 Nm @ 1900 RPM) has 315 more torque (in Nm) than 1978 Audi 100. (125 Nm @ 3000 RPM). This means 2009 Citroen C6 will have an easier job in driving up hills or pulling heavy equipment than 1978 Audi 100. 2009 Citroen C6 has automatic transmission and 1978 Audi 100 has manual transmission. 1978 Audi 100 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Citroen C6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1978 Audi 100 | 2009 Citroen C6 | |
| Make | Audi | Citroen |
| Model | 100 | C6 |
| Year Released | 1978 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 1986 cc | 2720 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 70 HP | 201 HP |
| Engine RPM | 4800 RPM | 4200 RPM |
| Torque | 125 Nm | 440 Nm |
| Torque RPM | 3000 RPM | 1900 RPM |
| Engine Bore Size | 76.5 mm | 81 mm |
| Engine Stroke Size | 86.4 mm | 88 mm |
| Engine Compression Ratio | 23.0:1 | 17.3:1 |
| Fuel Type | Diesel | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1210 kg | 1870 kg |
| Vehicle Length | 4690 mm | 4910 mm |
| Vehicle Width | 1770 mm | 1870 mm |
| Vehicle Height | 1400 mm | 1470 mm |
| Wheelbase Size | 2680 mm | 2910 mm |
| Fuel Tank Capacity | 60 L | 72 L |
