1991 Mazda 121 vs. 2004 Opel Vectra
To start off, 2004 Opel Vectra is newer by 13 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 1,994 cc (4 cylinders), 2004 Opel Vectra is equipped with a bigger engine. In terms of performance, 2004 Opel Vectra (165 HP @ 5400 RPM) has 94 more horse power than 1991 Mazda 121. (71 HP @ 6000 RPM) In normal driving conditions, 2004 Opel Vectra should accelerate faster than 1991 Mazda 121. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Vectra weights approximately 475 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, 2004 Opel Vectra (266 Nm @ 2500 RPM) has 162 more torque (in Nm) than 1991 Mazda 121. (104 Nm @ 3700 RPM). This means 2004 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 1991 Mazda 121.
Compare all specifications:
| 1991 Mazda 121 | 2004 Opel Vectra | |
| Make | Mazda | Opel |
| Model | 121 | Vectra |
| Year Released | 1991 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 1323 cc | 1994 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 71 HP | 165 HP |
| Engine RPM | 6000 RPM | 5400 RPM |
| Torque | 104 Nm | 266 Nm |
| Torque RPM | 3700 RPM | 2500 RPM |
| Engine Bore Size | 71 mm | 86 mm |
| Engine Stroke Size | 83.6 mm | 86 mm |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 155 km/hour | 230 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 900 kg | 1375 kg |
| Vehicle Length | 3820 mm | 4600 mm |
| Vehicle Width | 1660 mm | 1800 mm |
| Vehicle Height | 1480 mm | 1470 mm |
| Wheelbase Size | 2400 mm | 2740 mm |
| Fuel Tank Capacity | 43 L | 60 L |
