1987 BMW 628 vs. 2001 BMW X5
To start off, 2001 BMW X5 is newer by 14 year(s). Which means there will be less support and parts availability for 1987 BMW 628. In addition, the cost of maintenance, including insurance, on 1987 BMW 628 would be higher. At 2,993 cc (6 cylinders), 2001 BMW X5 is equipped with a bigger engine. In terms of performance, both vehicles can yield 181 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 2001 BMW X5 weights approximately 685 kg more than 1987 BMW 628.
Because 2001 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1987 BMW 628. In wet, icy, snow, or gravel driving conditions, 2001 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, 2001 BMW X5 (391 Nm @ 2000 RPM) has 151 more torque (in Nm) than 1987 BMW 628. (240 Nm @ 4000 RPM). This means 2001 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1987 BMW 628.
Compare all specifications:
| 1987 BMW 628 | 2001 BMW X5 | |
| Make | BMW | BMW |
| Model | 628 | X5 |
| Year Released | 1987 | 2001 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 2788 cc | 2993 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 181 HP | 181 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 240 Nm | 391 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Engine Bore Size | 86 mm | 84 mm |
| Engine Stroke Size | 80 mm | 88 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1470 kg | 2155 kg |
| Vehicle Length | 4760 mm | 4480 mm |
| Vehicle Width | 1730 mm | 1880 mm |
| Vehicle Height | 1370 mm | 1720 mm |
| Wheelbase Size | 2640 mm | 2730 mm |
| Fuel Tank Capacity | 70 L | 93 L |
