2005 Alfa Romeo 156 vs. 1991 Mazda 121
To start off, 2005 Alfa Romeo 156 is newer by 14 year(s). Which means there will be less support and parts availability for 1991 Mazda 121. In addition, the cost of maintenance, including insurance, on 1991 Mazda 121 would be higher. At 2,492 cc (6 cylinders), 2005 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2005 Alfa Romeo 156 (185 HP @ 5000 RPM) has 114 more horse power than 1991 Mazda 121. (71 HP @ 6000 RPM). In normal driving conditions, 2005 Alfa Romeo 156 should accelerate faster than 1991 Mazda 121. With that said, vehicle weight also plays an important factor in acceleration. 2005 Alfa Romeo 156 weights approximately 590 kg more than 1991 Mazda 121. 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, 2005 Alfa Romeo 156 (222 Nm @ 5000 RPM) has 118 more torque (in Nm) than 1991 Mazda 121. (104 Nm @ 3700 RPM). This means 2005 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 1991 Mazda 121.
Compare all specifications:
| 2005 Alfa Romeo 156 | 1991 Mazda 121 | |
| Make | Alfa Romeo | Mazda |
| Model | 156 | 121 |
| Year Released | 2005 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 1323 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 185 HP | 71 HP |
| Engine RPM | 5000 RPM | 6000 RPM |
| Torque | 222 Nm | 104 Nm |
| Torque RPM | 5000 RPM | 3700 RPM |
| Engine Bore Size | 88 mm | 71 mm |
| Engine Stroke Size | 68.3 mm | 83.6 mm |
| Top Speed | 225 km/hour | 155 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1490 kg | 900 kg |
| Vehicle Length | 4450 mm | 3820 mm |
| Vehicle Width | 1750 mm | 1660 mm |
| Vehicle Height | 1440 mm | 1480 mm |
| Wheelbase Size | 2710 mm | 2400 mm |
| Fuel Tank Capacity | 72 L | 43 L |
