Opel Commodore B 2.8 GS (140 Hp)


Overall Rating

7.1 / 10
Safety N/A / 5
Not Rated
Engine 3.0 / 5
Value 4.0 / 5
Performance 3.5 / 5
Comfort 3.8 / 5
People\'s Opinion N/A / 5
Not Rated

Opel Commodore:

The Opel Commodore is an executive car produced by Opel from 1967 to 1986. It is the six-cylinder variant of the Rekord with styling differences. The Commodore nameplate was used by Opel from 1967 to 1982 in Europe and to 1986 in South Africa. The Commodore nameplate was adopted by Holden in Australia, where it continued until 2020. The last generation was sold in the United Kingdom primarily as the Vauxhall Viceroy although Opel-badged models were also sold there, and the Chevrolet Commodore in South Africa from 1978 to 1982, when it was renamed the Opel Commodore....(Read more on Wikipedia)

B Overview:

Opel Commodore (B). With 214 Nm of torque, it offers ample pulling power. Weighing only 1265 kg, it’s quite light. Rear‑wheel drive offers dynamic handling and sporty feedback. Acceleration is relatively slow (0–100 km/h in 10.5 s). The top speed reaches 185 km/h. A four-door car with a separate trunk, ideal for families and daily commuting. Seating for 5 makes it ideal for daily use.

Safety Rating
Not rated
Euro NCAP Year N/A
Adult Occupant N/A
Stars N/A
Expert Note:
Euro NCAP testing did not exist during the production years of the Opel Commodore B (1972-1974), so no official rating is available. Safety features were rudimentary by modern standards.

2.8 GS (140 Hp) Verdict:

Rating 4 stars

Performance Verdict

A significant step up in performance, offering spirited acceleration and making it a more engaging driver's car for its period, especially on highways.

Fuel Economy

Higher fuel consumption expected due to increased power output, typical for a performance-oriented carburetted engine of the era.

Best Use Case: Enthusiast driving / Highway cruising

Pros and Cons:

Pros:

  • • Smooth and robust inline-six engines
  • • Comfortable ride quality for its era
  • • Classic European styling appeal
  • • Good performance in GS models
  • • Relatively spacious interior for a mid-size sedan

Cons:

  • • High fuel consumption by modern standards
  • • Lack of modern safety features
  • • Susceptibility to rust (common for cars of this era)
  • • Carburettor complexity can require specialized maintenance
  • • Limited availability of certain replacement parts

Specifications:

Specifications are compared to those of the previous generation(B: 1973 - 1975).

General:
Brand:Opel
Model:Commodore
Generation:B
Modification (Engine):2.8 GS (140 Hp)
Start of production:1975
End of production:1978
Powertrain Architecture:Internal Combustion engine
Body type:Sedan
Seats:5
Doors:4
Engine:
Power:140 Hp @ 5200 rpm.
Power per litre:50.3 Hp/l
Torque:214 Nm @ 3400-3800 rpm.
Engine Model/Code:28HC [Same engine] More details about the engine 28HC
Engine displacement:2784
Number of cylinders:6
Engine configuration:Inline
Number of valves per cylinder:2
Fuel injection system:Carburettor
Engine aspiration:Naturally aspirated engine
Valvetrain:SOHC
Engine oil capacity:5.5 l
Cylinder Bore:92 mm mm
Piston Stroke:69.8 mm mm
Compression ratio:9:1
Performance:
Fuel Type:Petrol (Gasoline)
Acceleration 0 - 100 km/h:10.5 sec
Acceleration 0 - 62 mph:10.5 sec
Maximum speed:185 km/h
Weight-to-power ratio:9 kg/Hp, 110.7 Hp/tonne
Weight-to-torque ratio:5.9 kg/Nm, 169.2 Nm/tonne
Acceleration 0 - 60 mph:10 sec
Space:
Kerb Weight:1265
Max. weight:1720
Max load:455
Trunk (boot) space - minimum:408 l
Fuel tank capacity:70 l
Size:
Length:4607 mm mm [Same length.]
Width:1728 mm mm [Same width.]
Height:1415 mm mm [10mm more]
Wheelbase:2668 mm mm [Same wheelbase.]
Front track:1450 mm
Rear (Back) track:1400 mm
Ride height (ground clearance):140 mm
Minimum turning circle (turning diameter):11.2 m [above average]
Powertrain:
Drivetrain ArchitectureThe Internal combustion engine (ICE) drives the rear wheels of the vehicle.
Drive wheelRear wheel drive
Number of gears4
Transmission typeManual
Front brakesDisc [above average]
Rear brakesDisc [above average]

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