2008 Audi S5 vs. 1977 BMW 728
To start off, 2008 Audi S5 is newer by 31 year(s). Which means there will be less support and parts availability for 1977 BMW 728. In addition, the cost of maintenance, including insurance, on 1977 BMW 728 would be higher. At 4,163 cc (8 cylinders), 2008 Audi S5 is equipped with a bigger engine. In terms of performance, 2008 Audi S5 (354 HP @ 6800 RPM) has 184 more horse power than 1977 BMW 728. (170 HP @ 6000 RPM). In normal driving conditions, 2008 Audi S5 should accelerate faster than 1977 BMW 728. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi S5 weights approximately 229 kg more than 1977 BMW 728. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Audi S5 is four wheel drive (4WD), it will have significant more traction and grip than 1977 BMW 728. In wet, icy, snow, or gravel driving conditions, 2008 Audi S5 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, 2008 Audi S5 (441 Nm @ 3500 RPM) has 206 more torque (in Nm) than 1977 BMW 728. (235 Nm @ 3700 RPM). This means 2008 Audi S5 will have an easier job in driving up hills or pulling heavy equipment than 1977 BMW 728.
Compare all specifications:
| 2008 Audi S5 | 1977 BMW 728 | |
| Make | Audi | BMW |
| Model | S5 | 728 |
| Year Released | 2008 | 1977 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2788 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 354 HP | 170 HP |
| Engine RPM | 6800 RPM | 6000 RPM |
| Torque | 441 Nm | 235 Nm |
| Torque RPM | 3500 RPM | 3700 RPM |
| Engine Bore Size | 84.5 mm | 86 mm |
| Engine Stroke Size | 92.8 mm | 80 mm |
| Top Speed | 249 km/hour | 193 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1765 kg | 1536 kg |
| Vehicle Length | 4640 mm | 4870 mm |
| Vehicle Width | 1990 mm | 1810 mm |
| Vehicle Height | 1380 mm | 1440 mm |
| Wheelbase Size | 2760 mm | 2800 mm |
| Fuel Tank Capacity | 63 L | 85 L |
