1970 Alfa Romeo Junior vs. 2007 BMW Z4
To start off, 2007 BMW Z4 is newer by 37 year(s). Which means there will be less support and parts availability for 1970 Alfa Romeo Junior. In addition, the cost of maintenance, including insurance, on 1970 Alfa Romeo Junior would be higher. At 2,996 cc (6 cylinders), 2007 BMW Z4 is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (255 HP @ 6600 RPM) has 169 more horse power than 1970 Alfa Romeo Junior. (86 HP @ 6000 RPM) In normal driving conditions, 2007 BMW Z4 should accelerate faster than 1970 Alfa Romeo Junior. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW Z4 weights approximately 428 kg more than 1970 Alfa Romeo Junior. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2007 BMW Z4 (298 Nm @ 2750 RPM) has 183 more torque (in Nm) than 1970 Alfa Romeo Junior. (115 Nm @ 3200 RPM). This means 2007 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1970 Alfa Romeo Junior.
Compare all specifications:
| 1970 Alfa Romeo Junior | 2007 BMW Z4 | |
| Make | Alfa Romeo | BMW |
| Model | Junior | Z4 |
| Year Released | 1970 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1290 cc | 2996 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 86 HP | 255 HP |
| Engine RPM | 6000 RPM | 6600 RPM |
| Torque | 115 Nm | 298 Nm |
| Torque RPM | 3200 RPM | 2750 RPM |
| Engine Bore Size | 74 mm | 85 mm |
| Engine Stroke Size | 75 mm | 88 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 2 seats |
| Vehicle Weight | 970 kg | 1398 kg |
| Vehicle Length | 3910 mm | 4100 mm |
| Vehicle Width | 1560 mm | 1790 mm |
| Vehicle Height | 1290 mm | 1300 mm |
| Wheelbase Size | 2260 mm | 2500 mm |
