2006 BMW 645 vs. 1980 Mercedes-Benz 380
To start off, 2006 BMW 645 is newer by 26 year(s). Which means there will be less support and parts availability for 1980 Mercedes-Benz 380. In addition, the cost of maintenance, including insurance, on 1980 Mercedes-Benz 380 would be higher. At 4,398 cc (8 cylinders), 2006 BMW 645 is equipped with a bigger engine. In terms of performance, 2006 BMW 645 (328 HP @ 6100 RPM) has 110 more horse power than 1980 Mercedes-Benz 380. (218 HP @ 5500 RPM). In normal driving conditions, 2006 BMW 645 should accelerate faster than 1980 Mercedes-Benz 380. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 645 weights approximately 276 kg more than 1980 Mercedes-Benz 380. 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, 2006 BMW 645 (450 Nm @ 3600 RPM) has 145 more torque (in Nm) than 1980 Mercedes-Benz 380. (305 Nm @ 4000 RPM). This means 2006 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1980 Mercedes-Benz 380. 1980 Mercedes-Benz 380 has automatic transmission and 2006 BMW 645 has manual transmission. 2006 BMW 645 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1980 Mercedes-Benz 380 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 BMW 645 | 1980 Mercedes-Benz 380 | |
| Make | BMW | Mercedes-Benz |
| Model | 645 | 380 |
| Year Released | 2006 | 1980 |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 3818 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 328 HP | 218 HP |
| Engine RPM | 6100 RPM | 5500 RPM |
| Torque | 450 Nm | 305 Nm |
| Torque RPM | 3600 RPM | 4000 RPM |
| Engine Bore Size | 92 mm | 92 mm |
| Engine Stroke Size | 83 mm | 71.8 mm |
| Engine Compression Ratio | 10.0:1 | 9.0:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1836 kg | 1560 kg |
| Vehicle Length | 4830 mm | 4760 mm |
| Vehicle Width | 1860 mm | 1800 mm |
| Vehicle Height | 1380 mm | 1340 mm |
| Wheelbase Size | 2790 mm | 2820 mm |
| Fuel Tank Capacity | 70 L | 90 L |
