1999 Audi A4 vs. 1981 Mitsubishi Sigma
To start off, 1999 Audi A4 is newer by 18 year(s). Which means there will be less support and parts availability for 1981 Mitsubishi Sigma. In addition, the cost of maintenance, including insurance, on 1981 Mitsubishi Sigma would be higher. At 1,781 cc (4 cylinders), 1999 Audi A4 is equipped with a bigger engine. In terms of performance, 1999 Audi A4 (123 HP @ 5800 RPM) has 48 more horse power than 1981 Mitsubishi Sigma. (75 HP @ 4800 RPM). In normal driving conditions, 1999 Audi A4 should accelerate faster than 1981 Mitsubishi Sigma. With that said, vehicle weight also plays an important factor in acceleration. 1999 Audi A4 weights approximately 360 kg more than 1981 Mitsubishi Sigma. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1981 Mitsubishi Sigma. In wet, icy, snow, or gravel driving conditions, 1999 Audi A4 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, 1999 Audi A4 (168 Nm @ 3500 RPM) has 51 more torque (in Nm) than 1981 Mitsubishi Sigma. (117 Nm @ 3200 RPM). This means 1999 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1981 Mitsubishi Sigma.
Compare all specifications:
| 1999 Audi A4 | 1981 Mitsubishi Sigma | |
| Make | Audi | Mitsubishi |
| Model | A4 | Sigma |
| Year Released | 1999 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 1597 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 123 HP | 75 HP |
| Engine RPM | 5800 RPM | 4800 RPM |
| Torque | 168 Nm | 117 Nm |
| Torque RPM | 3500 RPM | 3200 RPM |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1390 kg | 1030 kg |
| Vehicle Length | 4480 mm | 4460 mm |
| Vehicle Width | 1740 mm | 1660 mm |
| Vehicle Height | 1420 mm | 1370 mm |
| Wheelbase Size | 2610 mm | 2520 mm |
