1981 BMW 628 vs. 1984 BMW M6
To start off, 1984 BMW M6 is newer by 3 year(s). Which means there will be less support and parts availability for 1981 BMW 628. In addition, the cost of maintenance, including insurance, on 1981 BMW 628 would be higher. At 3,453 cc (6 cylinders), 1984 BMW M6 is equipped with a bigger engine. In terms of performance, 1984 BMW M6 (282 HP @ 6500 RPM) has 101 more horse power than 1981 BMW 628. (181 HP @ 6000 RPM) In normal driving conditions, 1984 BMW M6 should accelerate faster than 1981 BMW 628. With that said, vehicle weight also plays an important factor in acceleration. 1984 BMW M6 weights approximately 35 kg more than 1981 BMW 628. 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, 1984 BMW M6 (334 Nm @ 4500 RPM) has 94 more torque (in Nm) than 1981 BMW 628. (240 Nm @ 4000 RPM). This means 1984 BMW M6 will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 628.
Compare all specifications:
1981 BMW 628 | 1984 BMW M6 | |
Make | BMW | BMW |
Model | 628 | M6 |
Year Released | 1981 | 1984 |
Body Type | Coupe | Coupe |
Engine Position | Front | Front |
Engine Size | 2788 cc | 3453 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 2 valves | 4 valves |
Horse Power | 181 HP | 282 HP |
Engine RPM | 6000 RPM | 6500 RPM |
Torque | 240 Nm | 334 Nm |
Torque RPM | 4000 RPM | 4500 RPM |
Engine Bore Size | 86 mm | 93.4 mm |
Engine Stroke Size | 80 mm | 84 mm |
Engine Compression Ratio | 9.3:1 | 10.5:1 |
Fuel Type | Gasoline | Gasoline |
Drive Type | Rear | Rear |
Transmission Type | Manual | Manual |
Number of Seats | 4 seats | 4 seats |
Number of Doors | 2 doors | 2 doors |
Vehicle Weight | 1470 kg | 1505 kg |
Vehicle Length | 4760 mm | 4760 mm |
Vehicle Width | 1730 mm | 1730 mm |
Vehicle Height | 1370 mm | 1360 mm |
Wheelbase Size | 2640 mm | 2630 mm |
Fuel Tank Capacity | 70 L | 70 L |