2007 Tata Indigo vs. 2006 Opel Signum
To start off, 2007 Tata Indigo is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Opel Signum. In addition, the cost of maintenance, including insurance, on 2006 Opel Signum would be higher. At 2,958 cc (6 cylinders), 2006 Opel Signum is equipped with a bigger engine. In terms of performance, 2006 Opel Signum (175 HP @ 4000 RPM) has 105 more horse power than 2007 Tata Indigo. (70 HP @ 4500 RPM) In normal driving conditions, 2006 Opel Signum should accelerate faster than 2007 Tata Indigo. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Signum weights approximately 530 kg more than 2007 Tata Indigo. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2006 Opel Signum (370 Nm @ 1900 RPM) has 235 more torque (in Nm) than 2007 Tata Indigo. (135 Nm @ 2500 RPM). This means 2006 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2007 Tata Indigo. 2006 Opel Signum has automatic transmission and 2007 Tata Indigo has manual transmission. 2007 Tata Indigo will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Tata Indigo | 2006 Opel Signum | |
| Make | Tata | Opel |
| Model | Indigo | Signum |
| Year Released | 2007 | 2006 |
| Engine Size | 1405 cc | 2958 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 70 HP | 175 HP |
| Engine RPM | 4500 RPM | 4000 RPM |
| Torque | 135 Nm | 370 Nm |
| Torque RPM | 2500 RPM | 1900 RPM |
| Fuel Type | Diesel | Diesel |
| Top Speed | 155 km/hour | 221 km/hour |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1140 kg | 1670 kg |
| Vehicle Length | 4140 mm | 4640 mm |
| Vehicle Width | 1700 mm | 1800 mm |
| Vehicle Height | 1580 mm | 1470 mm |
| Wheelbase Size | 2460 mm | 2840 mm |
| Fuel Tank Capacity | 42 L | 60 L |
