2007 Tata Indigo vs. 2003 Opel Signum
To start off, 2007 Tata Indigo is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Opel Signum. In addition, the cost of maintenance, including insurance, on 2003 Opel Signum would be higher. At 2,958 cc (6 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2003 Opel Signum (175 HP @ 4000 RPM) has 90 more horse power than 2007 Tata Indigo. (85 HP @ 5500 RPM) In normal driving conditions, 2003 Opel Signum should accelerate faster than 2007 Tata Indigo. With that said, vehicle weight also plays an important factor in acceleration. 2003 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.
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, 2003 Opel Signum (371 Nm @ 1900 RPM) has 256 more torque (in Nm) than 2007 Tata Indigo. (115 Nm @ 3000 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2007 Tata Indigo. 2003 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. 2003 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Tata Indigo | 2003 Opel Signum | |
| Make | Tata | Opel |
| Model | Indigo | Signum |
| Year Released | 2007 | 2003 |
| Engine Size | 1405 cc | 2958 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 85 HP | 175 HP |
| Engine RPM | 5500 RPM | 4000 RPM |
| Torque | 115 Nm | 371 Nm |
| Torque RPM | 3000 RPM | 1900 RPM |
| Engine Bore Size | 75 mm | 87.5 mm |
| Engine Stroke Size | 79.5 mm | 82 mm |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 160 km/hour | 221 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1140 kg | 1670 kg |
| Vehicle Length | 4140 mm | 4640 mm |
| Vehicle Width | 1580 mm | 1800 mm |
| Vehicle Height | 1700 mm | 1470 mm |
| Wheelbase Size | 2460 mm | 2700 mm |
| Fuel Consumption Overall | 11.3 L/100km | 7.4 L/100km |
| Fuel Tank Capacity | 42 L | 60 L |
