1991 Audi 100 vs. 2007 Porsche 911
To start off, 2007 Porsche 911 is newer by 16 year(s). Which means there will be less support and parts availability for 1991 Audi 100. In addition, the cost of maintenance, including insurance, on 1991 Audi 100 would be higher. At 3,596 cc (6 cylinders), 2007 Porsche 911 is equipped with a bigger engine. In terms of performance, 2007 Porsche 911 (321 HP @ 6800 RPM) has 208 more horse power than 1991 Audi 100. (113 HP @ 4000 RPM) In normal driving conditions, 2007 Porsche 911 should accelerate faster than 1991 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 2007 Porsche 911 weights approximately 165 kg more than 1991 Audi 100. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Audi 100. In wet, icy, snow, or gravel driving conditions, 2007 Porsche 911 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, 2007 Porsche 911 (370 Nm @ 4250 RPM) has 106 more torque (in Nm) than 1991 Audi 100. (264 Nm @ 2250 RPM). This means 2007 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 | 2007 Porsche 911 | |
| Make | Audi | Porsche |
| Model | 100 | 911 |
| Year Released | 1991 | 2007 |
| Engine Position | Front | Rear |
| Engine Size | 2461 cc | 3596 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 113 HP | 321 HP |
| Engine RPM | 4000 RPM | 6800 RPM |
| Torque | 264 Nm | 370 Nm |
| Torque RPM | 2250 RPM | 4250 RPM |
| Engine Bore Size | 81 mm | 96.1 mm |
| Engine Stroke Size | 95.5 mm | 82.8 mm |
| Engine Compression Ratio | 21.0:1 | 11.3:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1320 kg | 1485 kg |
| Vehicle Length | 4800 mm | 4440 mm |
| Vehicle Width | 1790 mm | 1780 mm |
| Vehicle Height | 1450 mm | 1310 mm |
| Wheelbase Size | 2700 mm | 2360 mm |
| Fuel Consumption | 6.2 L/100km | 9.1 L/100km |
| Fuel Consumption City | 7.6 L/100km | 13.1 L/100km |
| Fuel Consumption Overall | 4.8 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 80 L | 64 L |
