2004 BMW 745 vs. 1980 BMW M5
To start off, 2004 BMW 745 is newer by 24 year(s). Which means there will be less support and parts availability for 1980 BMW M5. In addition, the cost of maintenance, including insurance, on 1980 BMW M5 would be higher. At 4,392 cc (8 cylinders), 2004 BMW 745 is equipped with a bigger engine. In terms of performance, 2004 BMW 745 (310 HP @ 7900 RPM) has 92 more horse power than 1980 BMW M5. (218 HP @ 5200 RPM). In normal driving conditions, 2004 BMW 745 should accelerate faster than 1980 BMW M5. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 745 weights approximately 594 kg more than 1980 BMW M5. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2004 BMW 745 (451 Nm) has 147 more torque (in Nm) than 1980 BMW M5. (304 Nm). This means 2004 BMW 745 will have an easier job in driving up hills or pulling heavy equipment than 1980 BMW M5.
Compare all specifications:
| 2004 BMW 745 | 1980 BMW M5 | |
| Make | BMW | BMW |
| Model | 745 | M5 |
| Year Released | 2004 | 1980 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4392 cc | 3453 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 310 HP | 218 HP |
| Engine RPM | 7900 RPM | 5200 RPM |
| Torque | 451 Nm | 304 Nm |
| Engine Bore Size | 92 mm | 93.4 mm |
| Engine Stroke Size | 83 mm | 84 mm |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1985 kg | 1391 kg |
| Vehicle Length | 5040 mm | 4620 mm |
| Vehicle Width | 1910 mm | 1700 mm |
| Vehicle Height | 1500 mm | 1430 mm |
| Wheelbase Size | 3000 mm | 2640 mm |
| Fuel Tank Capacity | 88 L | 70 L |
