Opel Signum 2003 vs Opel Astra 2004

Select specific versions of each model (by engine capacity, power, drivetrain and gearbox) for an accurate comparison

 
Opel Signum
2003 - 2005
Opel Astra
2004 - 2007
Gearbox: Manual/AutomaticManual/Automatic
Engines: 1.8 - 3.21.4 - 2.0

Performance

Power: 101 - 211 HP80 - 200 HP
Torque: 167 - 370 NM125 - 320 NM
Acceleration 0-100 km/h: 7.9 - 14 seconds7.9 - 15 seconds
Select a car version for a more accurate comparison!

Fuel consumption

Fuel consumption (l/100km): 5.9 - 10.74.9 - 9.4
Opel Signum petrol engines consumes on average 1.5 litres more fuel per 100 km than Opel Astra. On average, Opel Signum equipped with diesel engines consume 1.4 litres more fuel per 100 km than the Opel Astra.
This comparison does not take engine capacity into account, so to compare the fuel consumption of specific engines, select the car version!

Dimensions

Length: 4.64 m4.25 m
Width: 1.80 m1.75 m
Height: 1.47 m1.46 m
Opel Signum is larger.
Opel Signum is 39 cm longer than the Opel Astra, 5 cm wider, while the height of Opel Signum is 1 cm higher.
Trunk capacity: 875 litres380 litres
Trunk max capacity:
with rear seats folded down
1410 litres1330 litres
Opel Signum has more luggage capacity.
Opel Signum has 495 litres more trunk space than the Opel Astra. The maximum boot capacity (with all rear seats folded down) is larger in Opel Signum (by 80 litres).
Turning diameter: 11.2 meters10.5 meters
The turning circle of the Opel Signum is 0.7 metres more than that of the Opel Astra, which means Opel Signum can be harder to manoeuvre in tight streets and parking spaces.
Gross weight (kg): ~ 2`109~ 1`799
Safety:
Quality:
average

average
Average price (€): 14001400
Rating in user reviews: 7.6/10 7.5/10
Pros and Cons: Opel Signum has
  • roomier boot
  • fewer faults
Opel Astra has
  • lower fuel consumption
  • better manoeuvrability
  • higher safety
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