1983 BMW 628 vs. 2006 BMW X5
To start off, 2006 BMW X5 is newer by 23 year(s). Which means there will be less support and parts availability for 1983 BMW 628. In addition, the cost of maintenance, including insurance, on 1983 BMW 628 would be higher. At 2,981 cc (6 cylinders), 2006 BMW X5 is equipped with a bigger engine. In terms of performance, 2006 BMW X5 (225 HP @ 5900 RPM) has 44 more horse power than 1983 BMW 628. (181 HP @ 6000 RPM) In normal driving conditions, 2006 BMW X5 should accelerate faster than 1983 BMW 628. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW X5 weights approximately 365 kg more than 1983 BMW 628. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1983 BMW 628. In wet, icy, snow, or gravel driving conditions, 2006 BMW X5 will offer significantly more control. 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, 2006 BMW X5 (290 Nm @ 3500 RPM) has 49 more torque (in Nm) than 1983 BMW 628. (241 Nm @ 4000 RPM). This means 2006 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1983 BMW 628.
Compare all specifications:
| 1983 BMW 628 | 2006 BMW X5 | |
| Make | BMW | BMW |
| Model | 628 | X5 |
| Year Released | 1983 | 2006 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 2788 cc | 2981 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 181 HP | 225 HP |
| Engine RPM | 6000 RPM | 5900 RPM |
| Torque | 241 Nm | 290 Nm |
| Torque RPM | 4000 RPM | 3500 RPM |
| Engine Bore Size | 86 mm | 84 mm |
| Engine Stroke Size | 80 mm | 89.6 mm |
| Drive Type | Rear | 4WD |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1470 kg | 1835 kg |
| Vehicle Length | 4760 mm | 4670 mm |
| Vehicle Width | 1730 mm | 1880 mm |
| Vehicle Height | 1370 mm | 1770 mm |
| Wheelbase Size | 2640 mm | 2830 mm |
| Fuel Tank Capacity | 70 L | 92 L |
