2007 BMW X3 vs. 1978 BMW 628
To start off, 2007 BMW X3 is newer by 29 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 2,997 cc (8 cylinders), 1978 BMW 628 is equipped with a bigger engine. In terms of performance, 2007 BMW X3 (268 HP @ 6600 RPM) has 83 more horse power than 1978 BMW 628. (185 HP @ 5800 RPM). In normal driving conditions, 2007 BMW X3 should accelerate faster than 1978 BMW 628.
Because 2007 BMW X3 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, 2007 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, 2007 BMW X3 (315 Nm @ 2750 RPM) has 55 more torque (in Nm) than 1978 BMW 628. (260 Nm @ 4000 RPM). This means 2007 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 1978 BMW 628.
Compare all specifications:
| 2007 BMW X3 | 1978 BMW 628 | |
| Make | BMW | BMW |
| Model | X3 | 628 |
| Year Released | 2007 | 1978 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 2997 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 268 HP | 185 HP |
| Engine RPM | 6600 RPM | 5800 RPM |
| Torque | 315 Nm | 260 Nm |
| Torque RPM | 2750 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Length | 4570 mm | 4760 mm |
| Vehicle Width | 1680 mm | 1760 mm |
| Vehicle Height | 1860 mm | 1390 mm |
| Wheelbase Size | 2800 mm | 2640 mm |
| Fuel Tank Capacity | 67 L | 70 L |
