2003 BMW 645 vs. 1985 Ford Sierra
To start off, 2003 BMW 645 is newer by 18 year(s). Which means there will be less support and parts availability for 1985 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1985 Ford Sierra would be higher. At 4,398 cc (8 cylinders), 2003 BMW 645 is equipped with a bigger engine. In terms of performance, 2003 BMW 645 (321 HP @ 6100 RPM) has 173 more horse power than 1985 Ford Sierra. (148 HP @ 5700 RPM). In normal driving conditions, 2003 BMW 645 should accelerate faster than 1985 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW 645 weights approximately 690 kg more than 1985 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, 2003 BMW 645 (450 Nm @ 3600 RPM) has 230 more torque (in Nm) than 1985 Ford Sierra. (220 Nm @ 3800 RPM). This means 2003 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1985 Ford Sierra.
Compare all specifications:
2003 BMW 645 | 1985 Ford Sierra | |
Make | BMW | Ford |
Model | 645 | Sierra |
Year Released | 2003 | 1985 |
Engine Position | Front | Front |
Engine Size | 4398 cc | 2790 cc |
Engine Cylinders | 8 cylinders | 6 cylinders |
Engine Type | V | in-line |
Horse Power | 321 HP | 148 HP |
Engine RPM | 6100 RPM | 5700 RPM |
Torque | 450 Nm | 220 Nm |
Torque RPM | 3600 RPM | 3800 RPM |
Engine Bore Size | 92 mm | 93 mm |
Engine Stroke Size | 82.7 mm | 68.5 mm |
Vehicle Weight | 1895 kg | 1205 kg |
Vehicle Length | 4830 mm | 4400 mm |
Vehicle Width | 1860 mm | 1680 mm |
Vehicle Height | 1380 mm | 1370 mm |
Wheelbase Size | 2790 mm | 2620 mm |