1987 Audi 90 vs. 2007 Citroen C4
To start off, 2007 Citroen C4 is newer by 20 year(s). Which means there will be less support and parts availability for 1987 Audi 90. In addition, the cost of maintenance, including insurance, on 1987 Audi 90 would be higher. At 2,309 cc (5 cylinders), 1987 Audi 90 is equipped with a bigger engine. In terms of performance, 2007 Citroen C4 (181 HP @ 7000 RPM) has 47 more horse power than 1987 Audi 90. (134 HP @ 5500 RPM) In normal driving conditions, 2007 Citroen C4 should accelerate faster than 1987 Audi 90. With that said, vehicle weight also plays an important factor in acceleration. 2007 Citroen C4 weights approximately 148 kg more than 1987 Audi 90. 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, 1987 Audi 90 (187 Nm @ 4000 RPM) has 7 more torque (in Nm) than 2007 Citroen C4. (180 Nm @ 7000 RPM). This means 1987 Audi 90 will have an easier job in driving up hills or pulling heavy equipment than 2007 Citroen C4.
Compare all specifications:
| 1987 Audi 90 | 2007 Citroen C4 | |
| Make | Audi | Citroen |
| Model | 90 | C4 |
| Year Released | 1987 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2309 cc | 1997 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 134 HP | 181 HP |
| Engine RPM | 5500 RPM | 7000 RPM |
| Torque | 187 Nm | 180 Nm |
| Torque RPM | 4000 RPM | 7000 RPM |
| Engine Bore Size | 82.5 mm | 85 mm |
| Engine Stroke Size | 86.4 mm | 88 mm |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 209 km/hour | 227 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1190 kg | 1338 kg |
| Vehicle Length | 4400 mm | 4270 mm |
| Vehicle Width | 1700 mm | 1780 mm |
| Vehicle Height | 1400 mm | 1460 mm |
| Wheelbase Size | 2540 mm | 2610 mm |
| Fuel Consumption Overall | 4.8 L/100km | 11.5 L/100km |
| Fuel Tank Capacity | 80 L | 60 L |
