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Opel Monza A1 2.8 (140 Hp)
Overall Rating
Opel Monza:
The Opel Monza is an executive fastback coupe produced by the German automaker Opel from 1977 to 1986. It was marketed in the United Kingdom as the Vauxhall Royale Coupé by Vauxhall.
The Monza was planned as a successor for the Commodore Coupé. In the late 1970s the Commodore C model was made as a two-door version , but still as a sedan type car. The first model of the Commodore the "A" series had a regular coupé in the production line and Opel desired to make a newer version of their large luxury coupé. Work began in 1976 and in 1978 the first Monzas were available to buy. The cars to compete with would be the Mercedes-Benz C123 and later the Mercedes-Benz C124 and the BMW 6 Series models , and any other large luxury coupe. There was plenty of space inside for the class, and the seats were upmarket....(Read more on Wikipedia)
A1 Overview:
Opel Monza (A1). With 214 Nm of torque, it offers ample pulling power. With a weight of 1375 kg, it falls in the mid‑range. Rear‑wheel drive offers dynamic handling and sporty feedback. Acceleration is relatively slow (0–100 km/h in 10 s). The top speed reaches 195 km/h. A two-door car with a fixed roof, known for its sporty design and dynamic performance. Seating for 4 makes it ideal for daily use.
The Opel Monza A1 predates modern Euro NCAP testing standards, so no official rating is available. Safety features would be basic by contemporary standards of its production era.
2.8 (140 Hp) Verdict:
Performance Verdict
A robust and reliable engine offering a good balance of power and torque, making it a solid all-rounder for the Monza A1, especially with its carburettor setup.
Fuel Economy
With a stated 10.8 l/100 km, its fuel consumption is typical for a carburetted engine of this displacement from the era, offering a predictable running cost.
Pros and Cons:
Pros:
- • Smooth and powerful inline-six engines
- • Comfortable and spacious interior for a coupe
- • Distinctive grand tourer styling
- • Rear-wheel drive handling
- • Good trunk space for its class
Cons:
- • Fuel consumption can be high, especially on performance models
- • Safety features are basic by modern standards
- • Rust can be a significant issue on older models
- • Parts availability can be challenging for some components
- • Handling can feel dated compared to modern cars
Specifications:
Specifications are compared to those of the previous generation(A2: 1985 - 1986).
| General: | |
|---|---|
| Brand: | Opel |
| Model: | Monza |
| Generation: | A1 |
| Modification (Engine): | 2.8 (140 Hp) |
| Start of production: | April, 1978 |
| End of production: | August, 1981 |
| Powertrain Architecture: | Internal Combustion engine |
| Body type: | Coupe |
| Seats: | 4 |
| Doors: | 3 |
| Engine: | |
|---|---|
| Power: | 140 Hp @ 5200 rpm. Same horsepower |
| Power per litre: | 50.3 Hp/l [28mm less] |
| Torque: | 214 Nm @ 3400 rpm. |
| Engine Model/Code: | 28H More details about the engine 28H |
| 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 |
| Engine layout: | Front, Longitudinal |
| Cylinder Bore: | 92 mm mm |
| Piston Stroke: | 69.8 mm mm |
| Compression ratio: | 9.4:1 |
| Performance: | |
|---|---|
| Fuel Type: | Petrol (Gasoline) |
| Fuel consumption (economy) - combined: | 10.8 l/100 km |
| Acceleration 0 - 100 km/h: | 10 sec |
| Acceleration 0 - 62 mph: | 10 sec |
| Maximum speed: | 195 km/h |
| Weight-to-power ratio: | 9.8 kg/Hp, 101.8 Hp/tonne |
| Weight-to-torque ratio: | 6.4 kg/Nm, 155.6 Nm/tonne |
| Acceleration 0 - 60 mph: | 9.5 sec |
| Space: | |
|---|---|
| Kerb Weight: | 1375 |
| Max. weight: | 1900 |
| Max load: | 525 |
| Trunk (boot) space - maximum: | 765 l |
| Trunk (boot) space - minimum: | 425 l |
| Permitted trailer load with brakes (12%): | 1700 kg |
| Fuel tank capacity: | 70 l |
| Permitted trailer load without brakes: | 700 kg |
| Size: | |
|---|---|
| Length: | 4692 mm mm [28mm less] |
| Width: | 1734 mm mm [12mm more] |
| Height: | 1380 mm mm [Same height.] |
| Wheelbase: | 2668 mm mm [Same wheelbase.] |
| Front track: | 1443 mm |
| Rear (Back) track: | 1472 mm |
| Ride height (ground clearance): | 140 mm |
| Minimum turning circle (turning diameter): | 9.85 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 | 4 |
| Transmission type | Manual |
| Front brakes | Ventilated discs [Best for performance and cooling.] |
| Rear brakes | Disc [above average] |
| Steering type | Cone worm with recirculation balls |
| Power steering | Hydraulic Steering |
| Tires size | 195/70 R14 |
| Front suspension | Independent, type McPherson with coil spring and anti-roll bar |
| Rear suspension | Trailing arm |
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