2007 Chevrolet Optra vs. 2005 Vauxhall Signum
To start off, 2007 Chevrolet Optra is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Vauxhall Signum. In addition, the cost of maintenance, including insurance, on 2005 Vauxhall Signum would be higher. At 1,795 cc (4 cylinders), 2005 Vauxhall Signum is equipped with a bigger engine. In terms of performance, 2005 Vauxhall Signum (120 HP) has 12 more horse power than 2007 Chevrolet Optra. (108 HP) In normal driving conditions, 2005 Vauxhall Signum should accelerate faster than 2007 Chevrolet Optra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Vauxhall Signum weights approximately 220 kg more than 2007 Chevrolet Optra. 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, 2005 Vauxhall Signum (167 Nm @ 3800 RPM) has 16 more torque (in Nm) than 2007 Chevrolet Optra. (151 Nm @ 4000 RPM). This means 2005 Vauxhall Signum will have an easier job in driving up hills or pulling heavy equipment than 2007 Chevrolet Optra.
Compare all specifications:
| 2007 Chevrolet Optra | 2005 Vauxhall Signum | |
| Make | Chevrolet | Vauxhall |
| Model | Optra | Signum |
| Year Released | 2007 | 2005 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 1795 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 108 HP | 120 HP |
| Torque | 151 Nm | 167 Nm |
| Torque RPM | 4000 RPM | 3800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1175 kg | 1395 kg |
| Vehicle Length | 4510 mm | 4640 mm |
| Vehicle Width | 1730 mm | 1800 mm |
| Vehicle Height | 1450 mm | 1470 mm |
| Wheelbase Size | 2610 mm | 2840 mm |
