1975-1977 Opel Manta B 1.9 E (105 Hp)

The Opel Manta B 1.9 E, produced between 1975 and 1977, represented a significant step up in performance for the Manta B range. Positioned as a mid-range offering, it bridged the gap between the more economical base models and the higher-performance, but less common, variants. The Manta B, launched in 1970, was Opel’s attempt to create a stylish, sporty coupe aimed at a younger demographic, and the 1.9 E offered a compelling blend of performance and affordability within the European market. It was a key model in Opel’s lineup during a period of increasing competition in the coupe segment.

Technical Specifications

Brand Opel
Model Manta
Generation Manta B
Type (Engine) 1.9 E (105 Hp)
Start of production 1975
End of production 1977
Powertrain Architecture Internal Combustion engine
Body type Coupe
Seats 4
Doors 2
Fuel Type Petrol (Gasoline)
Acceleration 0 – 100 km/h 10.5 sec
Acceleration 0 – 62 mph 10.5 sec
Acceleration 0 – 60 mph 10 sec
Maximum speed 185 km/h (114.95 mph)
Weight-to-power ratio 9.5 kg/Hp, 105 Hp/tonne
Weight-to-torque ratio 6.6 kg/Nm, 152 Nm/tonne
Power 105 Hp @ 5400 rpm
Power per litre 55.4 Hp/l
Torque 152 Nm @ 4200 rpm (112.11 lb.-ft. @ 4200 rpm)
Maximum engine speed 6150 rpm
Engine layout Front, Longitudinal
Engine Model/Code 19E
Engine displacement 1897 cm3 (115.76 cu. in.)
Number of cylinders 4
Engine configuration Inline
Cylinder Bore 93 mm (3.66 in.)
Piston Stroke 69.8 mm (2.75 in.)
Compression ratio 9.2:1
Number of valves per cylinder 2
Fuel injection system Multi-port manifold injection
Engine aspiration Naturally aspirated engine
Valvetrain SOHC
Engine oil capacity 3.8 l (4.02 US qt | 3.34 UK qt)
Coolant 6.8 l (7.19 US qt | 5.98 UK qt)
Kerb Weight 1000 kg (2204.62 lbs.)
Max. weight 1370 kg (3020.33 lbs.)
Max load 370 kg (815.71 lbs.)
Trunk (boot) space – maximum 490 l (17.3 cu. ft.)
Fuel tank capacity 50 l (13.21 US gal | 11 UK gal)
Permitted trailer load with brakes (12%) 1300 kg (2866.01 lbs.)
Permitted trailer load without brakes 500 kg (1102.31 lbs.)
Length 4445 mm (175 in.)
Width 1670 mm (65.75 in.)
Height 1330 mm (52.36 in.)
Wheelbase 2518 mm (99.13 in.)
Front track 1375 mm (54.13 in.)
Rear (Back) track 1375 mm (54.13 in.)
Minimum turning circle 10.5 m (34.45 ft.)
Drivetrain Architecture Rear wheel drive
Number of gears and type of gearbox 4 gears, manual transmission
Front brakes Disc
Rear brakes Drum

Powertrain & Engine Architecture

The heart of the Manta B 1.9 E was the 19E engine, a 1.9-liter inline-four cylinder unit. This engine featured a single overhead camshaft (SOHC) valvetrain operating two valves per cylinder. Crucially, it employed Bosch multi-port fuel injection, a significant upgrade over the carburetors found in lower-spec Manta B models. This injection system, combined with a compression ratio of 9.2:1, allowed for improved fuel efficiency and a noticeable increase in power output. The engine was mounted longitudinally in the front of the vehicle, driving the rear wheels. The 19E engine was known for its relative durability, although proper maintenance was essential to prevent issues with oil consumption as the engines aged.

Driving Characteristics

The 1.9 E offered a noticeable improvement in performance over the base Manta B models. With 105 horsepower, it could accelerate from 0 to 60 mph in around 10 seconds and achieve a top speed of approximately 115 mph. While not a sports car by modern standards, this was respectable performance for the mid-1970s. The four-speed manual transmission was well-matched to the engine’s characteristics, providing adequate gearing for both everyday driving and spirited acceleration. Compared to the later 1.9 SR models, the 1.9 E offered a more relaxed driving experience, prioritizing usability over outright performance. The rear-wheel-drive layout provided a balanced feel, although it required careful throttle control in wet or slippery conditions.

Equipment & Trim Levels

The 1.9 E trim level typically included features such as upgraded interior trim, a more comprehensive instrument cluster, and often, a vinyl roof. Standard upholstery was typically cloth, although optional leather interiors were available. Features like a radio and heated rear window were often included, but air conditioning was typically an optional extra. The dashboard layout was functional and driver-focused, with clearly marked gauges for speed, fuel level, coolant temperature, and oil pressure. The 1.9 E was positioned as a step above the base models in terms of comfort and convenience, but it didn’t offer the same level of luxury as some of its competitors.

Chassis & Braking

The Manta B utilized a relatively simple chassis design, featuring independent front suspension with MacPherson struts and a solid rear axle with leaf springs. The 1.9 E typically featured disc brakes on the front wheels and drum brakes on the rear. While adequate for the car’s performance, the rear drum brakes were a limitation compared to the all-disc setups found on some higher-performance models. Stabilizer bars were fitted to both the front and rear axles to reduce body roll during cornering. The suspension was tuned for a balance between comfort and handling, providing a reasonably compliant ride without sacrificing too much stability.

Market Reception & Comparison

The Manta B 1.9 E was generally well-received by automotive critics as a practical and enjoyable coupe. It offered a good balance of performance, fuel economy, and affordability. Compared to the base models, the 1.9 E provided a significant boost in power and a more refined driving experience. However, it faced competition from other coupes in its class, such as the Ford Capri and the Volkswagen Scirocco. The Capri offered a wider range of engine options, while the Scirocco was known for its more modern styling and handling. Fuel economy was reasonable for the time, averaging around 25-30 mpg depending on driving conditions. Reliability was generally good, but as with any classic car, regular maintenance was crucial to prevent issues.

Legacy

The Opel Manta B 1.9 E remains a popular classic car today, particularly among enthusiasts who appreciate its retro styling and relatively simple mechanicals. The 19E engine is known for its durability, although parts availability can be a challenge. Well-maintained examples command a reasonable price on the used car market. The Manta B, in general, has gained a cult following, and the 1.9 E represents a sweet spot in the range, offering a good balance of performance and affordability. It’s a testament to Opel’s design and engineering that the Manta B continues to be enjoyed by car enthusiasts decades after its production ended.

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