Opel Signum facelift 2005 2.8i V6 24V Turbo (250 Hp)


Overall Rating

7.8 / 10
Safety 5.0 / 5
Engine 4.0 / 5
Value 3.8 / 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)

facelift 2005 Overview:

Opel Signum (facelift 2005). With 350 Nm of torque, it offers ample pulling power. With a weight of 1580 kg, it falls in the mid‑range. Front‑wheel drive delivers efficiency and easy handling. Acceleration is good (0–100 km/h in 7.2 s). The top speed reaches 250 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.

2.8i V6 24V Turbo (250 Hp) Verdict:

Rating 5 stars

Performance Verdict

The ultimate performance variant, offering excellent acceleration and a truly engaging driving experience with its powerful V6 turbo.

Fuel Economy

Likely very thirsty, especially when driven enthusiastically, making it less suitable for economy-focused buyers.

Best Use Case: Enthusiast drivers and high-speed cruising, where performance is the primary consideration.

Pros and Cons:

Pros:

  • • Spacious and versatile interior with flexible seating
  • • Comfortable ride quality, ideal for long journeys
  • • Strong V6 engine options (petrol and diesel) offer impressive performance
  • • Distinctive styling sets it apart from traditional estates
  • • Good value on the used market, offering a lot of car for the money

Cons:

  • • Some engines can be very thirsty, especially the V6 petrols
  • • Handling is competent but not as sharp or engaging as some rivals
  • • Interior plastics and design can feel dated compared to premium competitors
  • • Potential for electronic gremlins common in cars of this era
  • • Diesel particulate filter (DPF) issues on some CDTI models if not driven correctly

Specifications:

Specifications are compared to those of the previous generation(facelift 2005: July, 2005 - October, 2006).

General:
Brand:Opel
Model:Signum
Generation:facelift 2005
Modification (Engine):2.8i V6 24V Turbo (250 Hp)
Start of production:March, 2006
End of production:June, 2008
Powertrain Architecture:Internal Combustion engine
Body type:Hatchback
Seats:5
Doors:5
Engine:
Power:250 Hp @ 5500 rpm. Same horsepower
Power per litre:89.5 Hp/l [Same length.]
Torque:350 Nm
Engine Model/Code:Z28NET More details about the engine Z28NET
Engine displacement:2792
Number of cylinders:6
Engine configuration:V-engine
Number of valves per cylinder:4
Fuel injection system:Multi-port manifold injection
Engine aspiration:Turbocharger, Intercooler
Engine oil capacity:6 l
Coolant:7.5 l
Engine layout:Front, Transverse
Cylinder Bore:89 mm mm
Piston Stroke:74.8 mm mm
Compression ratio:9.5:1
Performance:
Fuel Type:Petrol (Gasoline)
Fuel consumption (economy) - urban:15.7 l/100 km
Fuel consumption (economy) - extra urban:7.6 l/100 km
Acceleration 0 - 100 km/h:7.2 sec
Acceleration 0 - 62 mph:7.2 sec
Maximum speed:250 km/h
Weight-to-power ratio:6.3 kg/Hp, 158.2 Hp/tonne
Weight-to-torque ratio:4.5 kg/Nm, 221.5 Nm/tonne
Acceleration 0 - 60 mph:6.8 sec
Space:
Kerb Weight:1580
Max. weight:2175
Max load:595
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.]
Front track:1536 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 brakesDisc
Rear brakesDisc
Tires size235/40 R18
Wheel rims size18
Front suspensionIndependent coil spring
Rear suspensionIndependent coil spring

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