1986 Alfa Romeo Arna vs. 2009 Mercury Mariner
To start off, 2009 Mercury Mariner 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 2,501 cc (4 cylinders), 2009 Mercury Mariner is equipped with a bigger engine. In terms of performance, 2009 Mercury Mariner (170 HP @ 6000 RPM) has 108 more horse power than 1986 Alfa Romeo Arna. (62 HP @ 6000 RPM) In normal driving conditions, 2009 Mercury Mariner should accelerate faster than 1986 Alfa Romeo Arna. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercury Mariner weights approximately 1075 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.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear 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, 2009 Mercury Mariner (171 Nm @ 4500 RPM) has 83 more torque (in Nm) than 1986 Alfa Romeo Arna. (88 Nm @ 3200 RPM). This means 2009 Mercury Mariner will have an easier job in driving up hills or pulling heavy equipment than 1986 Alfa Romeo Arna.
Compare all specifications:
| 1986 Alfa Romeo Arna | 2009 Mercury Mariner | |
| Make | Alfa Romeo | Mercury |
| Model | Arna | Mariner |
| Year Released | 1986 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 1185 cc | 2501 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 62 HP | 170 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 88 Nm | 171 Nm |
| Torque RPM | 3200 RPM | 4500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 850 kg | 1925 kg |
| Vehicle Length | 4010 mm | 4460 mm |
| Vehicle Width | 1630 mm | 1810 mm |
| Vehicle Height | 1350 mm | 1730 mm |
| Wheelbase Size | 2430 mm | 2630 mm |
