2006 BMW Z4 vs. 1976 BMW 628
To start off, 2006 BMW Z4 is newer by 30 year(s). Which means there will be less support and parts availability for 1976 BMW 628. In addition, the cost of maintenance, including insurance, on 1976 BMW 628 would be higher. At 2,997 cc (8 cylinders), 1976 BMW 628 is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (189 HP @ 6000 RPM) has 4 more horse power than 1976 BMW 628. (185 HP @ 5800 RPM). In normal driving conditions, 2006 BMW Z4 should accelerate faster than 1976 BMW 628.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 1976 BMW 628 (260 Nm @ 4000 RPM) has 15 more torque (in Nm) than 2006 BMW Z4. (245 Nm @ 3500 RPM). This means 1976 BMW 628 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW Z4.
Compare all specifications:
| 2006 BMW Z4 | 1976 BMW 628 | |
| Make | BMW | BMW |
| Model | Z4 | 628 |
| Year Released | 2006 | 1976 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 2997 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 189 HP | 185 HP |
| Engine RPM | 6000 RPM | 5800 RPM |
| Torque | 245 Nm | 260 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Length | 4100 mm | 4760 mm |
| Vehicle Width | 1790 mm | 1760 mm |
| Vehicle Height | 1310 mm | 1370 mm |
| Wheelbase Size | 2500 mm | 2640 mm |
| Fuel Tank Capacity | 55 L | 70 L |
