1991 Audi V8 vs. 1981 Ford Mustang
To start off, 1991 Audi V8 is newer by 10 year(s). Which means there will be less support and parts availability for 1981 Ford Mustang. In addition, the cost of maintenance, including insurance, on 1981 Ford Mustang would be higher. At 4,942 cc (8 cylinders), 1981 Ford Mustang is equipped with a bigger engine. In terms of performance, 1991 Audi V8 (247 HP @ 5800 RPM) has 74 more horse power than 1981 Ford Mustang. (173 HP @ 3800 RPM). In normal driving conditions, 1991 Audi V8 should accelerate faster than 1981 Ford Mustang. With that said, vehicle weight also plays an important factor in acceleration. 1991 Audi V8 weights approximately 435 kg more than 1981 Ford Mustang. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1991 Audi V8 is four wheel drive (4WD), it will have significant more traction and grip than 1981 Ford Mustang. In wet, icy, snow, or gravel driving conditions, 1991 Audi V8 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, 1991 Audi V8 (340 Nm @ 4000 RPM) has 8 more torque (in Nm) than 1981 Ford Mustang. (332 Nm @ 2000 RPM). This means 1991 Audi V8 will have an easier job in driving up hills or pulling heavy equipment than 1981 Ford Mustang.
Compare all specifications:
| 1991 Audi V8 | 1981 Ford Mustang | |
| Make | Audi | Ford |
| Model | V8 | Mustang |
| Year Released | 1991 | 1981 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3562 cc | 4942 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 247 HP | 173 HP |
| Engine RPM | 5800 RPM | 3800 RPM |
| Torque | 340 Nm | 332 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1790 kg | 1355 kg |
| Vehicle Length | 4870 mm | 4560 mm |
| Vehicle Width | 1820 mm | 1720 mm |
| Vehicle Height | 1430 mm | 1320 mm |
| Wheelbase Size | 2710 mm | 2560 mm |
