1991 Mazda 121 vs. 2006 Rover 75
To start off, 2006 Rover 75 is newer by 15 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 1,796 cc (4 cylinders), 2006 Rover 75 is equipped with a bigger engine. In terms of performance, 2006 Rover 75 (158 HP) has 87 more horse power than 1991 Mazda 121. (71 HP) In normal driving conditions, 2006 Rover 75 should accelerate faster than 1991 Mazda 121. With that said, vehicle weight also plays an important factor in acceleration. 2006 Rover 75 weights approximately 550 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, 2006 Rover 75 (215 Nm @ 2100 RPM) has 111 more torque (in Nm) than 1991 Mazda 121. (104 Nm @ 3700 RPM). This means 2006 Rover 75 will have an easier job in driving up hills or pulling heavy equipment than 1991 Mazda 121. 2006 Rover 75 has automatic transmission and 1991 Mazda 121 has manual transmission. 1991 Mazda 121 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Rover 75 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Mazda 121 | 2006 Rover 75 | |
| Make | Mazda | Rover |
| Model | 121 | 75 |
| Year Released | 1991 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1323 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 71 HP | 158 HP |
| Torque | 104 Nm | 215 Nm |
| Torque RPM | 3700 RPM | 2100 RPM |
| Engine Bore Size | 71 mm | 80 mm |
| Engine Stroke Size | 83.6 mm | 89.3 mm |
| Engine Compression Ratio | 9.4:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 155 km/hour | 210 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 900 kg | 1450 kg |
| Vehicle Length | 3820 mm | 4800 mm |
| Vehicle Width | 1660 mm | 1780 mm |
| Vehicle Height | 1480 mm | 1440 mm |
| Wheelbase Size | 2400 mm | 2750 mm |
| Fuel Tank Capacity | 43 L | 65 L |
