2007 Jeep Grand Cherokee vs. 1991 Mazda 121
To start off, 2007 Jeep Grand Cherokee is newer by 16 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 4,703 cc (8 cylinders), 2007 Jeep Grand Cherokee is equipped with a bigger engine. In terms of performance, 2007 Jeep Grand Cherokee (228 HP @ 4500 RPM) has 157 more horse power than 1991 Mazda 121. (71 HP @ 6000 RPM). In normal driving conditions, 2007 Jeep Grand Cherokee should accelerate faster than 1991 Mazda 121. With that said, vehicle weight also plays an important factor in acceleration. 2007 Jeep Grand Cherokee weights approximately 1310 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.
Because 2007 Jeep Grand Cherokee is four wheel drive (4WD), it will have significant more traction and grip than 1991 Mazda 121. In wet, icy, snow, or gravel driving conditions, 2007 Jeep Grand Cherokee 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, 2007 Jeep Grand Cherokee (411 Nm @ 3600 RPM) has 307 more torque (in Nm) than 1991 Mazda 121. (104 Nm @ 3700 RPM). This means 2007 Jeep Grand Cherokee will have an easier job in driving up hills or pulling heavy equipment than 1991 Mazda 121. 2007 Jeep Grand Cherokee 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. 2007 Jeep Grand Cherokee will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Jeep Grand Cherokee | 1991 Mazda 121 | |
| Make | Jeep | Mazda |
| Model | Grand Cherokee | 121 |
| Year Released | 2007 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 4703 cc | 1323 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 228 HP | 71 HP |
| Engine RPM | 4500 RPM | 6000 RPM |
| Torque | 411 Nm | 104 Nm |
| Torque RPM | 3600 RPM | 3700 RPM |
| Engine Bore Size | 93 mm | 71 mm |
| Engine Stroke Size | 86.7 mm | 83.6 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 200 km/hour | 155 km/hour |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 2210 kg | 900 kg |
| Vehicle Length | 4760 mm | 3820 mm |
| Vehicle Width | 1880 mm | 1660 mm |
| Vehicle Height | 1750 mm | 1480 mm |
| Wheelbase Size | 2790 mm | 2400 mm |
| Fuel Tank Capacity | 78 L | 43 L |
