1973 Mazda 616 vs. 2007 BMW Z4
To start off, 2007 BMW Z4 is newer by 34 year(s). Which means there will be less support and parts availability for 1973 Mazda 616. In addition, the cost of maintenance, including insurance, on 1973 Mazda 616 would be higher. At 2,492 cc (6 cylinders), 2007 BMW Z4 is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (189 HP @ 6000 RPM) has 110 more horse power than 1973 Mazda 616. (79 HP @ 5500 RPM) In normal driving conditions, 2007 BMW Z4 should accelerate faster than 1973 Mazda 616. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW Z4 weights approximately 425 kg more than 1973 Mazda 616. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2007 BMW Z4 (245 Nm @ 3500 RPM) has 121 more torque (in Nm) than 1973 Mazda 616. (124 Nm @ 3500 RPM). This means 2007 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1973 Mazda 616.
Compare all specifications:
| 1973 Mazda 616 | 2007 BMW Z4 | |
| Make | Mazda | BMW |
| Model | 616 | Z4 |
| Year Released | 1973 | 2007 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1586 cc | 2492 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 79 HP | 189 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 124 Nm | 245 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Weight | 910 kg | 1335 kg |
| Vehicle Length | 4160 mm | 4100 mm |
| Vehicle Width | 1590 mm | 1790 mm |
| Vehicle Height | 1400 mm | 1310 mm |
| Wheelbase Size | 2480 mm | 2500 mm |
