1991 Audi V8 vs. 1971 Citroen SM
To start off, 1991 Audi V8 is newer by 20 year(s). Which means there will be less support and parts availability for 1971 Citroen SM. In addition, the cost of maintenance, including insurance, on 1971 Citroen SM would be higher. At 4,172 cc (8 cylinders), 1991 Audi V8 is equipped with a bigger engine. In terms of performance, 1991 Audi V8 (280 HP @ 5800 RPM) has 122 more horse power than 1971 Citroen SM. (158 HP @ 5500 RPM). In normal driving conditions, 1991 Audi V8 should accelerate faster than 1971 Citroen SM. With that said, vehicle weight also plays an important factor in acceleration. 1991 Audi V8 weights approximately 262 kg more than 1971 Citroen SM. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1991 Audi V8 is four wheel drive (4WD), it will have significant more traction and grip than 1971 Citroen SM. In wet, icy, snow, or gravel driving conditions, 1991 Audi V8 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, 1991 Audi V8 (400 Nm @ 4000 RPM) has 165 more torque (in Nm) than 1971 Citroen SM. (235 Nm @ 4000 RPM). This means 1991 Audi V8 will have an easier job in driving up hills or pulling heavy equipment than 1971 Citroen SM. 1991 Audi V8 has automatic transmission and 1971 Citroen SM has manual transmission. 1971 Citroen SM will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1991 Audi V8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Audi V8 | 1971 Citroen SM | |
| Make | Audi | Citroen |
| Model | V8 | SM |
| Year Released | 1991 | 1971 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 2670 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 280 HP | 158 HP |
| Engine RPM | 5800 RPM | 5500 RPM |
| Torque | 400 Nm | 235 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1712 kg | 1450 kg |
| Vehicle Length | 4880 mm | 4900 mm |
| Vehicle Width | 1820 mm | 1850 mm |
| Vehicle Height | 1430 mm | 1330 mm |
| Wheelbase Size | 2710 mm | 2950 mm |
