Vauxhall Signum facelift 2005 3.0 V6 CDTi 24V ECOTEC (184 Hp)


Overall Rating

7.1 / 10
Safety N/A / 5
Not Rated
Engine 4.0 / 5
Value 3.5 / 5
Performance 3.5 / 5
Comfort 4.0 / 5
People\'s Opinion N/A / 5
Not Rated

Vauxhall 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)

facelift 2005 Overview:

Vauxhall Signum (facelift 2005). With 400 Nm of torque, it offers ample pulling power. It has moderate fuel consumption (~9.9 l/100km). With a weight of 1415 kg, it falls in the mid‑range. Front‑wheel drive delivers efficiency and easy handling. The top speed reaches 224 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.

3.0 V6 CDTi 24V ECOTEC (184 Hp) Verdict:

Rating 4 stars

Performance Verdict

Smooth and powerful V6 diesel with impressive torque, making it ideal for long-distance cruising and towing.

Fuel Economy

Good fuel economy for a large V6 diesel, offering a balance of power and reasonable running costs.

Best Use Case: Highway / Long Distance

Pros and Cons:

Pros:

  • • Spacious and versatile interior with flexible seating
  • • Comfortable ride quality, ideal for long journeys
  • • Strong and economical diesel engine options (especially 1.9 CDTI 150hp)
  • • Good value on the used car market
  • • Unique styling sets it apart from conventional rivals

Cons:

  • • Divisive exterior styling not to everyone's taste
  • • Some petrol engines are very thirsty, especially the V6 turbos
  • • Interior quality, while good, can't match premium rivals
  • • Known for some electrical and DPF issues on early diesel models
  • • Handling is competent but lacks the dynamism of some competitors

Specifications:

Specifications are compared to those of the previous generation(Signum: 2004 - 2005).

General:
Brand:Vauxhall
Model:Signum
Generation:facelift 2005
Modification (Engine):3.0 V6 CDTi 24V ECOTEC (184 Hp)
Start of production:2005
End of production:2008
Powertrain Architecture:Internal Combustion engine
Body type:Hatchback
Seats:5
Doors:5
Engine:
Power:184 Hp @ 4000 rpm. Same horsepower
Power per litre:62.2 Hp/l [Same length.]
Torque:400 Nm @ 1900-2700 rpm.
Engine Model/Code:Z30DT More details about the engine Z30DT
Engine displacement:2958
Number of cylinders:6
Engine configuration:V-engine
Number of valves per cylinder:4
Fuel injection system:Diesel Commonrail
Engine aspiration:Turbocharger, Intercooler
Engine oil capacity:7.25 l
Coolant:8.3 l
Engine layout:Front, Transverse
Compression ratio:18.5:1
Performance:
Fuel Type:Diesel
Fuel consumption (economy) - urban:9.9 l/100 km
Fuel consumption (economy) - extra urban:5.3 l/100 km
Fuel consumption (economy) - combined:7 l/100 km
Emission standard:Euro 4
Maximum speed:224 km/h
Weight-to-power ratio:7.7 kg/Hp, 130 Hp/tonne
Weight-to-torque ratio:3.5 kg/Nm, 282.7 Nm/tonne
Space:
Kerb Weight:1415
Trunk (boot) space - maximum:1410 l
Trunk (boot) space - minimum:365 l
Fuel tank capacity:60 l
Size:
Length:4651 mm mm [Same length.]
Width:1798 mm mm [Same width.]
Height:1466 mm mm [Same height.]
Wheelbase:2830 mm mm [Same wheelbase.]
Width including mirrors:2036 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)
Front suspensionIndependent, type McPherson with coil spring and anti-roll bar
Rear suspensionIndependent multi-link suspension

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