1985 BMW 628 vs. 2005 BMW X3
To start off, 2005 BMW X3 is newer by 20 year(s). Which means there will be less support and parts availability for 1985 BMW 628. In addition, the cost of maintenance, including insurance, on 1985 BMW 628 would be higher. At 2,977 cc (6 cylinders), 2005 BMW X3 is equipped with a bigger engine. In terms of performance, 2005 BMW X3 (184 HP @ 4000 RPM) has 3 more horse power than 1985 BMW 628. (181 HP @ 6000 RPM) In normal driving conditions, 2005 BMW X3 should accelerate faster than 1985 BMW 628. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW X3 weights approximately 455 kg more than 1985 BMW 628. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 1985 BMW 628. In wet, icy, snow, or gravel driving conditions, 2005 BMW X3 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, 2005 BMW X3 (420 Nm @ 1500 RPM) has 180 more torque (in Nm) than 1985 BMW 628. (240 Nm @ 4000 RPM). This means 2005 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 1985 BMW 628.
Compare all specifications:
| 1985 BMW 628 | 2005 BMW X3 | |
| Make | BMW | BMW |
| Model | 628 | X3 |
| Year Released | 1985 | 2005 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 2788 cc | 2977 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 181 HP | 184 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 240 Nm | 420 Nm |
| Torque RPM | 4000 RPM | 1500 RPM |
| Engine Bore Size | 86 mm | 84 mm |
| Engine Stroke Size | 80 mm | 90 mm |
| Engine Compression Ratio | 9.3:1 | 17.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | 4WD |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1470 kg | 1925 kg |
| Vehicle Length | 4760 mm | 4570 mm |
| Vehicle Width | 1730 mm | 1860 mm |
| Vehicle Height | 1370 mm | 1680 mm |
| Wheelbase Size | 2640 mm | 2830 mm |
| Fuel Tank Capacity | 70 L | 67 L |
