2009 BMW 730 vs. 1984 Ford Sierra
To start off, 2009 BMW 730 is newer by 25 year(s). Which means there will be less support and parts availability for 1984 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1984 Ford Sierra would be higher. At 2,993 cc (6 cylinders), 2009 BMW 730 is equipped with a bigger engine. In terms of performance, 2009 BMW 730 (242 HP @ 4000 RPM) has 128 more horse power than 1984 Ford Sierra. (114 HP @ 5300 RPM). In normal driving conditions, 2009 BMW 730 should accelerate faster than 1984 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 730 weights approximately 750 kg more than 1984 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, 2009 BMW 730 (540 Nm @ 1750 RPM) has 364 more torque (in Nm) than 1984 Ford Sierra. (176 Nm @ 3000 RPM). This means 2009 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 1984 Ford Sierra.
Compare all specifications:
| 2009 BMW 730 | 1984 Ford Sierra | |
| Make | BMW | Ford |
| Model | 730 | Sierra |
| Year Released | 2009 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 2294 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 242 HP | 114 HP |
| Engine RPM | 4000 RPM | 5300 RPM |
| Torque | 540 Nm | 176 Nm |
| Torque RPM | 1750 RPM | 3000 RPM |
| Engine Compression Ratio | 16.5:1 | 9.0:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1865 kg | 1115 kg |
| Vehicle Length | 5080 mm | 4420 mm |
| Vehicle Width | 1910 mm | 1730 mm |
| Vehicle Height | 1490 mm | 1420 mm |
| Wheelbase Size | 3080 mm | 2610 mm |
| Fuel Tank Capacity | 80 L | 60 L |
