1991 Audi 100 vs. 1991 Porsche 911
To start off, both 1991 Audi 100 and 1991 Porsche 911 were released in the same year (1991). Therefore the support and the availability on parts for both vehicles should be relatively similar. 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 56 more horse power than 1991 Audi 100. (172 HP @ 5500 RPM) In normal driving conditions, 1991 Porsche 911 should accelerate faster than 1991 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 1991 Audi 100 weights approximately 331 kg more than 1991 Porsche 911.
Let's talk about torque, 1991 Porsche 911 (286 Nm @ 4800 RPM) has 36 more torque (in Nm) than 1991 Audi 100. (250 Nm @ 3000 RPM). This means 1991 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi 100.
Compare all specifications:
| 1991 Audi 100 | 1991 Porsche 911 | |
| Make | Audi | Porsche |
| Model | 100 | 911 |
| Year Released | 1991 | 1991 |
| Engine Position | Front | Rear |
| Engine Size | 2771 cc | 3163 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 172 HP | 228 HP |
| Engine RPM | 5500 RPM | 5900 RPM |
| Torque | 250 Nm | 286 Nm |
| Torque RPM | 3000 RPM | 4800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1506 kg | 1175 kg |
| Vehicle Length | 4800 mm | 4300 mm |
| Vehicle Width | 1780 mm | 1660 mm |
| Vehicle Height | 1450 mm | 1260 mm |
