1983 Alfa Romeo Spider vs. 2007 BMW Z4
To start off, 2007 BMW Z4 is newer by 24 year(s). Which means there will be less support and parts availability for 1983 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 1983 Alfa Romeo Spider would be higher. At 2,171 cc (6 cylinders), 2007 BMW Z4 is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (168 HP @ 6250 RPM) has 42 more horse power than 1983 Alfa Romeo Spider. (126 HP @ 5400 RPM) In normal driving conditions, 2007 BMW Z4 should accelerate faster than 1983 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW Z4 weights approximately 285 kg more than 1983 Alfa Romeo Spider. 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 (210 Nm @ 3500 RPM) has 27 more torque (in Nm) than 1983 Alfa Romeo Spider. (183 Nm @ 4000 RPM). This means 2007 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1983 Alfa Romeo Spider. 2007 BMW Z4 has automatic transmission and 1983 Alfa Romeo Spider has manual transmission. 1983 Alfa Romeo Spider will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW Z4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1983 Alfa Romeo Spider | 2007 BMW Z4 | |
| Make | Alfa Romeo | BMW |
| Model | Spider | Z4 |
| Year Released | 1983 | 2007 |
| Body Type | Roadster | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1962 cc | 2171 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 126 HP | 168 HP |
| Engine RPM | 5400 RPM | 6250 RPM |
| Torque | 183 Nm | 210 Nm |
| Torque RPM | 4000 RPM | 3500 RPM |
| Engine Bore Size | 84 mm | 80 mm |
| Engine Stroke Size | 88.5 mm | 72 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1040 kg | 1325 kg |
| Vehicle Length | 4250 mm | 4100 mm |
| Vehicle Width | 1640 mm | 1790 mm |
| Vehicle Height | 1300 mm | 1310 mm |
| Wheelbase Size | 2260 mm | 2500 mm |
| Fuel Tank Capacity | 50 L | 55 L |
