1968 BMW 1600 vs. 2006 BMW Z4
To start off, 2006 BMW Z4 is newer by 38 year(s). Which means there will be less support and parts availability for 1968 BMW 1600. In addition, the cost of maintenance, including insurance, on 1968 BMW 1600 would be higher. At 3,246 cc (6 cylinders), 2006 BMW Z4 is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (343 HP @ 7900 RPM) has 243 more horse power than 1968 BMW 1600. (100 HP @ 5500 RPM) In normal driving conditions, 2006 BMW Z4 should accelerate faster than 1968 BMW 1600. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW Z4 weights approximately 342 kg more than 1968 BMW 1600. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2006 BMW Z4 (495 Nm @ 4900 RPM) has 335 more torque (in Nm) than 1968 BMW 1600. (160 Nm @ 3500 RPM). This means 2006 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1968 BMW 1600.
Compare all specifications:
| 1968 BMW 1600 | 2006 BMW Z4 | |
| Make | BMW | BMW |
| Model | 1600 | Z4 |
| Year Released | 1968 | 2006 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1990 cc | 3246 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 100 HP | 343 HP |
| Engine RPM | 5500 RPM | 7900 RPM |
| Torque | 160 Nm | 495 Nm |
| Torque RPM | 3500 RPM | 4900 RPM |
| Engine Compression Ratio | 8.5:1 | 11.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 990 kg | 1332 kg |
| Vehicle Length | 4240 mm | 4100 mm |
| Vehicle Width | 1600 mm | 1790 mm |
| Vehicle Height | 1420 mm | 1300 mm |
| Wheelbase Size | 2510 mm | 2500 mm |
| Fuel Tank Capacity | 46 L | 60 L |
