2005 Audi A6 vs. 1978 Ford Mustang
To start off, 2005 Audi A6 is newer by 27 year(s). Which means there will be less support and parts availability for 1978 Ford Mustang. In addition, the cost of maintenance, including insurance, on 1978 Ford Mustang would be higher. At 4,941 cc (8 cylinders), 1978 Ford Mustang is equipped with a bigger engine. In terms of performance, 2005 Audi A6 (247 HP @ 6200 RPM) has 109 more horse power than 1978 Ford Mustang. (138 HP @ 3600 RPM). In normal driving conditions, 2005 Audi A6 should accelerate faster than 1978 Ford Mustang. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A6 weights approximately 495 kg more than 1978 Ford Mustang. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 1978 Ford Mustang. In wet, icy, snow, or gravel driving conditions, 2005 Audi A6 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, 1978 Ford Mustang (339 Nm @ 1800 RPM) has 19 more torque (in Nm) than 2005 Audi A6. (320 Nm @ 3000 RPM). This means 1978 Ford Mustang will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A6.
Compare all specifications:
| 2005 Audi A6 | 1978 Ford Mustang | |
| Make | Audi | Ford |
| Model | A6 | Mustang |
| Year Released | 2005 | 1978 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 4941 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 247 HP | 138 HP |
| Engine RPM | 6200 RPM | 3600 RPM |
| Torque | 320 Nm | 339 Nm |
| Torque RPM | 3000 RPM | 1800 RPM |
| Engine Bore Size | 84.5 mm | 101.6 mm |
| Engine Stroke Size | 93 mm | 76.2 mm |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1785 kg | 1290 kg |
| Vehicle Length | 4840 mm | 4560 mm |
| Vehicle Width | 1860 mm | 1720 mm |
| Vehicle Height | 1480 mm | 1320 mm |
| Wheelbase Size | 2770 mm | 2560 mm |
