1978 Audi 100 vs. 1991 Porsche 911
To start off, 1991 Porsche 911 is newer by 13 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 3,163 cc (6 cylinders), 1991 Porsche 911 is equipped with a bigger engine. In terms of performance, 1991 Porsche 911 (228 HP @ 5900 RPM) has 143 more horse power than 1978 Audi 100. (85 HP @ 5600 RPM) In normal driving conditions, 1991 Porsche 911 should accelerate faster than 1978 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 1991 Porsche 911 weights approximately 65 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.
Let's talk about torque, 1991 Porsche 911 (286 Nm @ 4800 RPM) has 162 more torque (in Nm) than 1978 Audi 100. (124 Nm @ 3200 RPM). This means 1991 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1978 Audi 100.
Compare all specifications:
| 1978 Audi 100 | 1991 Porsche 911 | |
| Make | Audi | Porsche |
| Model | 100 | 911 |
| Year Released | 1978 | 1991 |
| Engine Position | Front | Rear |
| Engine Size | 1588 cc | 3163 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 85 HP | 228 HP |
| Engine RPM | 5600 RPM | 5900 RPM |
| Torque | 124 Nm | 286 Nm |
| Torque RPM | 3200 RPM | 4800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1110 kg | 1175 kg |
| Vehicle Length | 4600 mm | 4300 mm |
| Vehicle Width | 1770 mm | 1660 mm |
| Vehicle Height | 1400 mm | 1260 mm |
