Opel Signum engine produces 20 HP more power than Opel Vectra, whereas torque is 20 NM more than Opel Vectra. Despite the higher power, Opel Signum reaches 100 km/h speed 0.3 seconds later.
Fuel consumption
Fuel consumption (l/100km):
10.6
10.3
Opel Signum consumes 0.3 litres more fuel per 100 km than the Opel Vectra, which means that if you drive 15,000 km in a year, the Opel Signum could require 45 litres more fuel.
Both cars are similar in size. Opel Signum is 4 cm longer than the Opel Vectra, width is practically the same , while the height of Opel Signum is 1 cm higher.
Trunk capacity:
365 litres
500 litres
Trunk max capacity: with rear seats folded down, if possible
1410 litres
500 litres
Despite its longer length, This could mean that the Opel Signum uses more space in the cabin, so the driver and passengers could be more spacious and comfortable. The maximum boot capacity (with all rear seats folded down) is larger in Opel Signum (by 910 litres).
Turning diameter:
11.4 meters
11 meters
The turning circle of the Opel Signum is 0.4 metres more than that of the Opel Vectra, which means Opel Signum can be harder to manoeuvre in tight streets and parking spaces.
Gross weight:
2`175 kg
2`000 kg
Net weight:
1`580 kg
1`495 kg
Load capacity:
595 kg
505 kg
Opel Signum load capacity (permitted cargo and passenger weight) is par apmēram 15 procentiem more than Opel Vectra. Therefore, Opel Signum is more suitable for longer family trips or transporting heavier loads.
