1985 Alfa Romeo Arna vs. 2011 Porsche 911
To start off, 2011 Porsche 911 is newer by 26 year(s). Which means there will be less support and parts availability for 1985 Alfa Romeo Arna. In addition, the cost of maintenance, including insurance, on 1985 Alfa Romeo Arna would be higher. At 3,600 cc (6 cylinders), 2011 Porsche 911 is equipped with a bigger engine. In terms of performance, 2011 Porsche 911 (345 HP @ 6500 RPM) has 278 more horse power than 1985 Alfa Romeo Arna. (67 HP @ 6000 RPM) In normal driving conditions, 2011 Porsche 911 should accelerate faster than 1985 Alfa Romeo Arna. With that said, vehicle weight also plays an important factor in acceleration. 2011 Porsche 911 weights approximately 680 kg more than 1985 Alfa Romeo Arna. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2011 Porsche 911 is all wheel drive (AWD), it will have significant more traction and grip than 1985 Alfa Romeo Arna. In wet, icy, snow, or gravel driving conditions, 2011 Porsche 911 will offer significantly more control. 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, 2011 Porsche 911 (390 Nm @ 4400 RPM) has 300 more torque (in Nm) than 1985 Alfa Romeo Arna. (90 Nm @ 3200 RPM). This means 2011 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1985 Alfa Romeo Arna.
Compare all specifications:
| 1985 Alfa Romeo Arna | 2011 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | Arna | 911 |
| Year Released | 1985 | 2011 |
| Engine Position | Front | Rear |
| Engine Size | 1185 cc | 3600 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 67 HP | 345 HP |
| Engine RPM | 6000 RPM | 6500 RPM |
| Torque | 90 Nm | 390 Nm |
| Torque RPM | 3200 RPM | 4400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | AWD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 4 seats |
| Vehicle Weight | 850 kg | 1530 kg |
| Vehicle Length | 4010 mm | 4460 mm |
| Vehicle Width | 1630 mm | 1852 mm |
| Vehicle Height | 1350 mm | 1311 mm |
| Wheelbase Size | 2430 mm | 2350 mm |
