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Opel Commodore C 2.5 S (115 Hp) Automatic
Overall Rating
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)
C Overview:
Opel Commodore (C). With 185 Nm of torque, it offers ample pulling power. Weighing only 1220 kg, it’s quite light. Rear‑wheel drive offers dynamic handling and sporty feedback. Acceleration is relatively slow (0–100 km/h in 13 s). The top speed reaches 175 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.
The Opel Commodore C was produced before the establishment of Euro NCAP in 1997, and therefore, it was not subjected to modern crash safety assessments. Safety features are basic by contemporary standards.
2.5 S (115 Hp) Automatic Verdict:
Performance Verdict
The combination of the less powerful carbureted engine and automatic transmission results in the slowest acceleration of the lineup.
Fuel Economy
The least fuel-efficient option, consuming 11.9 l/100 km, reflecting the older automatic gearbox technology.
Pros and Cons:
Pros:
- • Smooth and relatively powerful inline-six engines.
- • Comfortable ride quality for long journeys.
- • Spacious interior and large trunk capacity (630L).
- • Classic RWD executive sedan appeal.
Cons:
- • Fuel consumption can be high, especially with automatic and carbureted engines.
- • Outdated safety features by modern standards.
- • Parts availability can be challenging for a classic car.
- • Performance of the 115 Hp automatic can feel sluggish.
Specifications:
Specifications are compared to those of the previous generation(B: 1975 - 1978).
| General: | |
|---|---|
| Brand: | Opel |
| Model: | Commodore |
| Generation: | C |
| Modification (Engine): | 2.5 S (115 Hp) Automatic |
| Start of production: | 1978 |
| End of production: | 1982 |
| Powertrain Architecture: | Internal Combustion engine |
| Body type: | Sedan |
| Seats: | 5 |
| Doors: | 2-4 |
| Engine: | |
|---|---|
| Power: | 115 Hp @ 5200 rpm. Same horsepower |
| Power per litre: | 46.2 Hp/l [98mm more] |
| Torque: | 185 Nm @ 4600 rpm. |
| Engine Model/Code: | 25S More details about the engine 25S |
| Engine displacement: | 2490 |
| 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 |
| Coolant: | 10.1 l |
| Engine layout: | Front, Longitudinal |
| Cylinder Bore: | 87 mm mm |
| Piston Stroke: | 69.8 mm mm |
| Compression ratio: | 9.2:1 |
| Performance: | |
|---|---|
| Fuel Type: | Petrol (Gasoline) |
| Fuel consumption (economy) - combined: | 11.9 l/100 km |
| Acceleration 0 - 100 km/h: | 13 sec |
| Acceleration 0 - 62 mph: | 13 sec |
| Maximum speed: | 175 km/h |
| Weight-to-power ratio: | 10.6 kg/Hp, 94.3 Hp/tonne |
| Weight-to-torque ratio: | 6.6 kg/Nm, 151.6 Nm/tonne |
| Acceleration 0 - 60 mph: | 12.4 sec |
| Space: | |
|---|---|
| Kerb Weight: | 1220 |
| Max. weight: | 1740 |
| Max load: | 520 |
| Trunk (boot) space - minimum: | 630 l |
| Permitted trailer load with brakes (12%): | 1600 kg |
| Fuel tank capacity: | 70 l |
| Permitted trailer load without brakes: | 630 kg |
| Size: | |
|---|---|
| Length: | 4705 mm mm [98mm more] |
| Width: | 1730 mm mm [2mm more] |
| Height: | 1410 mm mm [5mm less] |
| Wheelbase: | 2668 mm mm [Same wheelbase.] |
| Front track: | 1443 mm |
| Rear (Back) track: | 1424 mm |
| Ride height (ground clearance): | 140 mm |
| Minimum turning circle (turning diameter): | 11.5 m [above average] |
| Powertrain: | |
|---|---|
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the rear wheels of the vehicle. |
| Drive wheel | Rear wheel drive |
| Number of gears | 3 |
| Transmission type | Automatic |
| Front brakes | Ventilated discs [Best for performance and cooling.] |
| Rear brakes | Drum [bad for performance and cooling.] |
| Tires size | 175/80 R14 |
| Wheel rims size | 6J x 14 |
| Front suspension | Independent, type McPherson with coil spring and anti-roll bar |
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