1986 Alfa Romeo Arna vs. 2009 BMW Z4
To start off, 2009 BMW Z4 is newer by 23 year(s). Which means there will be less support and parts availability for 1986 Alfa Romeo Arna. In addition, the cost of maintenance, including insurance, on 1986 Alfa Romeo Arna would be higher. At 2,996 cc (6 cylinders), 2009 BMW Z4 is equipped with a bigger engine. In terms of performance, 2009 BMW Z4 (335 HP @ 7900 RPM) has 273 more horse power than 1986 Alfa Romeo Arna. (62 HP @ 6000 RPM) In normal driving conditions, 2009 BMW Z4 should accelerate faster than 1986 Alfa Romeo Arna. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW Z4 weights approximately 460 kg more than 1986 Alfa Romeo Arna. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 BMW Z4 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2009 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 1986 Alfa Romeo Arna, being front wheel drive (FWD), will offer much better control with better grip. 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, 2009 BMW Z4 (315 Nm @ 2750 RPM) has 227 more torque (in Nm) than 1986 Alfa Romeo Arna. (88 Nm @ 3200 RPM). This means 2009 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1986 Alfa Romeo Arna. 2009 BMW Z4 has automatic transmission and 1986 Alfa Romeo Arna has manual transmission. 1986 Alfa Romeo Arna will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 BMW Z4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1986 Alfa Romeo Arna | 2009 BMW Z4 | |
| Make | Alfa Romeo | BMW |
| Model | Arna | Z4 |
| Year Released | 1986 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 1185 cc | 2996 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 62 HP | 335 HP |
| Engine RPM | 6000 RPM | 7900 RPM |
| Torque | 88 Nm | 315 Nm |
| Torque RPM | 3200 RPM | 2750 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 2 seats |
| Vehicle Weight | 850 kg | 1310 kg |
| Vehicle Length | 4010 mm | 4100 mm |
| Vehicle Width | 1630 mm | 1790 mm |
| Vehicle Height | 1350 mm | 1310 mm |
| Wheelbase Size | 2430 mm | 2500 mm |
