1977 BMW 728 vs. 1987 Ford Sierra
To start off, 1987 Ford Sierra is newer by 10 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 2,788 cc (6 cylinders), 1977 BMW 728 is equipped with a bigger engine. In terms of performance, 1977 BMW 728 (170 HP @ 6000 RPM) has 66 more horse power than 1987 Ford Sierra. (104 HP @ 5200 RPM). In normal driving conditions, 1977 BMW 728 should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1977 BMW 728 weights approximately 481 kg more than 1987 Ford Sierra. 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, 1977 BMW 728 (235 Nm @ 3700 RPM) has 75 more torque (in Nm) than 1987 Ford Sierra. (160 Nm @ 4000 RPM). This means 1977 BMW 728 will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra.
Compare all specifications:
1977 BMW 728 | 1987 Ford Sierra | |
Make | BMW | Ford |
Model | 728 | Sierra |
Year Released | 1977 | 1987 |
Body Type | Sedan | Station Wagon |
Engine Position | Front | Front |
Engine Size | 2788 cc | 1991 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Horse Power | 170 HP | 104 HP |
Engine RPM | 6000 RPM | 5200 RPM |
Torque | 235 Nm | 160 Nm |
Torque RPM | 3700 RPM | 4000 RPM |
Engine Bore Size | 86 mm | 90.8 mm |
Engine Stroke Size | 80 mm | 77 mm |
Engine Compression Ratio | 9.0:1 | 9.2:1 |
Drive Type | Rear | Rear |
Transmission Type | Manual | Manual |
Number of Seats | 5 seats | 5 seats |
Vehicle Weight | 1536 kg | 1055 kg |
Vehicle Length | 4870 mm | 4500 mm |
Vehicle Width | 1810 mm | 1680 mm |
Vehicle Height | 1440 mm | 1400 mm |
Wheelbase Size | 2800 mm | 2620 mm |