1987 Daihatsu Rocky vs. 2011 Tata Sumo
To start off, 2011 Tata Sumo is newer by 24 year(s). Which means there will be less support and parts availability for 1987 Daihatsu Rocky. In addition, the cost of maintenance, including insurance, on 1987 Daihatsu Rocky would be higher. At 2,956 cc (4 cylinders), 2011 Tata Sumo is equipped with a bigger engine. In terms of performance, 1987 Daihatsu Rocky (72 HP @ 3600 RPM) has 3 more horse power than 2011 Tata Sumo. (69 HP @ 3000 RPM). In normal driving conditions, 1987 Daihatsu Rocky should accelerate faster than 2011 Tata Sumo. With that said, vehicle weight also plays an important factor in acceleration. 2011 Tata Sumo weights approximately 240 kg more than 1987 Daihatsu Rocky.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or 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, 2011 Tata Sumo (223 Nm @ 1600 RPM) has 53 more torque (in Nm) than 1987 Daihatsu Rocky. (170 Nm @ 2200 RPM). This means 2011 Tata Sumo will have an easier job in driving up hills or pulling heavy equipment than 1987 Daihatsu Rocky.
Compare all specifications:
| 1987 Daihatsu Rocky | 2011 Tata Sumo | |
| Make | Daihatsu | Tata |
| Model | Rocky | Sumo |
| Year Released | 1987 | 2011 |
| Body Type | SUV | SUV |
| Engine Position | Front | Front |
| Engine Size | 2765 cc | 2956 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 72 HP | 69 HP |
| Engine RPM | 3600 RPM | 3000 RPM |
| Torque | 170 Nm | 223 Nm |
| Torque RPM | 2200 RPM | 1600 RPM |
| Fuel Type | Diesel | Diesel |
| Drive Type | 4WD | 4WD |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1560 kg | 1800 kg |
| Vehicle Length | 4110 mm | 4258 mm |
| Vehicle Width | 1590 mm | 1726 mm |
| Vehicle Height | 1920 mm | 1925 mm |
| Wheelbase Size | 2540 mm | 2425 mm |
