Opel Signum 1.9 CDTI (150 Hp)


Overall Rating

7 / 10
Safety 4.0 / 5
Engine 2.5 / 5
Value 4.0 / 5
Performance 3.5 / 5
Comfort 4.0 / 5
People\'s Opinion N/A / 5
Not Rated

Opel Signum:

The Opel Signum is a large front-engine, front-wheel drive, five-passenger, mid-size executive hatchback manufactured and marketed by the German car manufacturer Opel from 2003 to 2008, exclusively over a single generation, derived from the Opel Vectra. Marketed almost exclusively in Europe, a rebadged Signum was marketed in the United Kingdom as the Vauxhall Signum. The Signum used the long wheelbase version of the GM Epsilon platform also used by the Opel Vectra Caravan.
As a very large hatchback with a nearly vertical tailgate, its dimensions placed it between traditional large family cars and executive cars. In most markets, it was also priced accordingly. The Opel Signum, like the Renault Vel Satis, was intended to capture a new market segment....(Read more on Wikipedia)

Signum Overview:

Opel Signum (Signum). With 320 Nm of torque, it offers ample pulling power. It has moderate fuel consumption (~7.8 l/100km). With a weight of 1565 kg, it falls in the mid‑range. Front‑wheel drive delivers efficiency and easy handling. Acceleration is relatively slow (0–100 km/h in 10.5 s). The top speed reaches 209 km/h. A compact car with a rear door that swings upward to provide access to the cargo area. Seating for 5 makes it ideal for daily use.

Safety Rating
Euro NCAP Year 2002
Adult Occupant N/A
Stars 4
Expert Note:
While the Signum itself was not directly tested by Euro NCAP, it shares its platform and many safety features with the Opel Vectra C, which achieved a respectable 4-star rating for adult occupant protection in 2002.

1.9 CDTI (150 Hp) Verdict:

Rating 4 stars

Performance Verdict

Offers a strong blend of power and responsiveness, providing brisk acceleration and confident overtaking capabilities.

Fuel Economy

Likely to be one of the most economical choices, offering excellent fuel efficiency for its performance level.

Best Use Case: Balanced / All-round

Pros and Cons:

Pros:

  • • Exceptional interior space and versatility, especially for rear passengers
  • • Comfortable and refined ride quality, ideal for long journeys
  • • Strong and economical diesel engine options available
  • • Good value on the used car market due to initial depreciation
  • • Practical hatchback body style with large boot capacity

Cons:

  • • Divisive exterior styling that didn't appeal to all buyers
  • • Some petrol engines can feel underpowered for the car's size
  • • Mixed reliability reputation, particularly with certain diesel engines and electronics
  • • High depreciation from new, though beneficial for used buyers
  • • Niche market positioning led to lower sales and limited recognition

Specifications:

Specifications are compared to those of the previous generation(Signum: May, 2003 - November, 2004).

General:
Brand:Opel
Model:Signum
Generation:Signum
Modification (Engine):1.9 CDTI (150 Hp)
Start of production:May, 2004
End of production:2005
Powertrain Architecture:Internal Combustion engine
Body type:Hatchback
Seats:5
Doors:5
Engine:
Power:150 Hp @ 4000 rpm. Same horsepower
Power per litre:78.5 Hp/l [Same length.]
Torque:320 Nm @ 2000 rpm.
Engine Model/Code:Z19DTH More details about the engine Z19DTH
Engine displacement:1910
Number of cylinders:4
Engine configuration:Inline
Number of valves per cylinder:4
Fuel injection system:Diesel Commonrail
Engine aspiration:Turbocharger, Intercooler
Valvetrain:DOHC
Engine oil capacity:4.3 l
Coolant:7 l
Engine layout:Front, Transverse
Cylinder Bore:82 mm mm
Piston Stroke:90.4 mm mm
Compression ratio:17.5:1
Performance:
Fuel Type:Diesel
Fuel consumption (economy) - urban:7.8 l/100 km
Fuel consumption (economy) - extra urban:5.1 l/100 km
Acceleration 0 - 100 km/h:10.5 sec
Acceleration 0 - 62 mph:10.5 sec
Maximum speed:209 km/h
Weight-to-power ratio:10.4 kg/Hp, 95.8 Hp/tonne
Weight-to-torque ratio:4.9 kg/Nm, 204.5 Nm/tonne
Acceleration 0 - 60 mph:10 sec
Space:
Kerb Weight:1565
Max. weight:2130
Max load:565
Trunk (boot) space - maximum:1410 l
Trunk (boot) space - minimum:365 l
Fuel tank capacity:61 l
Size:
Length:4636 mm mm [Same length.]
Width:1798 mm mm [Same width.]
Height:1460 mm mm [6mm less]
Wheelbase:2830 mm mm [Same wheelbase.]
Front track:1524 mm
Rear (Back) track:1525 mm
Powertrain:
Drivetrain ArchitectureThe Internal combustion engine (ICE) drives the front wheels of the vehicle.
Drive wheelFront wheel drive
Number of gears6
Transmission typeManual
Front brakesVentilated discs [Best for performance and cooling.]
Rear brakesDisc
Assisting systemsABS (Anti-lock braking system)
Steering typeSteering rack and pinion
Power steeringHydraulic Steering
Tires size215/55 R16
Wheel rims size6.5J x 16
Front suspensionCoil spring
Rear suspensionCoil spring

If you could change one thing about the Opel Signum, what would it be?