2006 BMW 730 vs. 1987 Ford Sierra
To start off, 2006 BMW 730 is newer by 19 year(s). Which means there will be less support and parts availability for 1987 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1987 Ford Sierra would be higher. At 2,994 cc (6 cylinders), 2006 BMW 730 is equipped with a bigger engine. In terms of performance, 2006 BMW 730 (254 HP @ 6600 RPM) has 142 more horse power than 1987 Ford Sierra. (112 HP @ 5300 RPM). In normal driving conditions, 2006 BMW 730 should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 730 weights approximately 685 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.
Let's talk about torque, 2006 BMW 730 (300 Nm @ 2500 RPM) has 120 more torque (in Nm) than 1987 Ford Sierra. (180 Nm @ 3000 RPM). This means 2006 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra.
Compare all specifications:
| 2006 BMW 730 | 1987 Ford Sierra | |
| Make | BMW | Ford |
| Model | 730 | Sierra |
| Year Released | 2006 | 1987 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2994 cc | 2292 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 254 HP | 112 HP |
| Engine RPM | 6600 RPM | 5300 RPM |
| Torque | 300 Nm | 180 Nm |
| Torque RPM | 2500 RPM | 3000 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1820 kg | 1135 kg |
| Vehicle Length | 5180 mm | 4500 mm |
| Vehicle Width | 1910 mm | 1680 mm |
| Vehicle Height | 1500 mm | 1400 mm |
| Wheelbase Size | 3140 mm | 2620 mm |
