1991 Audi 100 vs. 1999 Ford Mustang
To start off, 1999 Ford Mustang is newer by 8 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 4,605 cc (8 cylinders), 1999 Ford Mustang is equipped with a bigger engine. In terms of performance, 1999 Ford Mustang (256 HP @ 5250 RPM) has 84 more horse power than 1991 Audi 100. (172 HP @ 5500 RPM) In normal driving conditions, 1999 Ford Mustang should accelerate faster than 1991 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 1991 Audi 100 weights approximately 24 kg more than 1999 Ford Mustang.
Let's talk about torque, 1999 Ford Mustang (406 Nm @ 4000 RPM) has 156 more torque (in Nm) than 1991 Audi 100. (250 Nm @ 3000 RPM). This means 1999 Ford Mustang will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi 100.
Compare all specifications:
| 1991 Audi 100 | 1999 Ford Mustang | |
| Make | Audi | Ford |
| Model | 100 | Mustang |
| Year Released | 1991 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 2771 cc | 4605 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 172 HP | 256 HP |
| Engine RPM | 5500 RPM | 5250 RPM |
| Torque | 250 Nm | 406 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Engine Bore Size | 82.5 mm | 90.2 mm |
| Engine Stroke Size | 86.4 mm | 90 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1506 kg | 1482 kg |
| Vehicle Length | 4800 mm | 4660 mm |
| Vehicle Width | 1780 mm | 1860 mm |
| Vehicle Height | 1450 mm | 1360 mm |
