1980 BMW M5 vs. 1989 BMW 850
To start off, 1989 BMW 850 is newer by 9 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 4,988 cc (12 cylinders), 1989 BMW 850 is equipped with a bigger engine. In terms of performance, 1989 BMW 850 (296 HP @ 5200 RPM) has 78 more horse power than 1980 BMW M5. (218 HP @ 5200 RPM) In normal driving conditions, 1989 BMW 850 should accelerate faster than 1980 BMW M5. With that said, vehicle weight also plays an important factor in acceleration. 1980 BMW M5 weights approximately 136 kg more than 1989 BMW 850.
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, 1989 BMW 850 (450 Nm @ 4100 RPM) has 146 more torque (in Nm) than 1980 BMW M5. (304 Nm @ 4000 RPM). This means 1989 BMW 850 will have an easier job in driving up hills or pulling heavy equipment than 1980 BMW M5. 1989 BMW 850 has automatic transmission and 1980 BMW M5 has manual transmission. 1980 BMW M5 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1989 BMW 850 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1980 BMW M5 | 1989 BMW 850 | |
| Make | BMW | BMW |
| Model | M5 | 850 |
| Year Released | 1980 | 1989 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3453 cc | 4988 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Horse Power | 218 HP | 296 HP |
| Engine RPM | 5200 RPM | 5200 RPM |
| Torque | 304 Nm | 450 Nm |
| Torque RPM | 4000 RPM | 4100 RPM |
| Engine Compression Ratio | 9.3:1 | 8.8:1 |
| Top Speed | 228 km/hour | 246 km/hour |
| Acceleration 0-100mph | 7.2 seconds | 7.4 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1391 kg | 1255 kg |
| Vehicle Length | 4620 mm | 4790 mm |
| Vehicle Width | 1700 mm | 1860 mm |
| Vehicle Height | 1430 mm | 1350 mm |
| Wheelbase Size | 2640 mm | 2690 mm |
| Fuel Tank Capacity | 70 L | 90 L |
