1978 BMW 628 vs. 2009 BMW X5
To start off, 2009 BMW X5 is newer by 31 year(s). Which means there will be less support and parts availability for 1978 BMW 628. In addition, the cost of maintenance, including insurance, on 1978 BMW 628 would be higher. At 4,799 cc (8 cylinders), 2009 BMW X5 is equipped with a bigger engine. In terms of performance, 2009 BMW X5 (350 HP @ 6300 RPM) has 165 more horse power than 1978 BMW 628. (185 HP @ 5800 RPM) In normal driving conditions, 2009 BMW X5 should accelerate faster than 1978 BMW 628.
Because 2009 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1978 BMW 628. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 BMW X5 (476 Nm @ 3400 RPM) has 216 more torque (in Nm) than 1978 BMW 628. (260 Nm @ 4000 RPM). This means 2009 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1978 BMW 628.
Compare all specifications:
| 1978 BMW 628 | 2009 BMW X5 | |
| Make | BMW | BMW |
| Model | 628 | X5 |
| Year Released | 1978 | 2009 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 2997 cc | 4799 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 185 HP | 350 HP |
| Engine RPM | 5800 RPM | 6300 RPM |
| Torque | 260 Nm | 476 Nm |
| Torque RPM | 4000 RPM | 3400 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Length | 4760 mm | 4860 mm |
| Vehicle Width | 1760 mm | 1940 mm |
| Vehicle Height | 1390 mm | 1740 mm |
| Wheelbase Size | 2640 mm | 2940 mm |
| Fuel Tank Capacity | 70 L | 85 L |
