The Opel Kadett C Coupe 1.9 GT/E, produced between 1975 and 1977, represented a performance-oriented variant within the broader Kadett C Coupe range. Positioned as the flagship trim, the GT/E aimed to deliver a more engaging driving experience than the standard Kadett models. It was a key offering in the European compact car market, appealing to drivers seeking a sporty and relatively affordable coupe. The Kadett C, launched in 1972, was a significant update to the Kadett B, offering increased interior space and improved styling. The Coupe version, and particularly the GT/E, were designed to inject some excitement into the traditionally practical Kadett lineup.
Technical Specifications
| Brand | Opel |
| Model | Kadett |
| Generation | Kadett C Coupe |
| Type (Engine) | 1.9 GT/E (105 Hp) |
| Start of production | 1975 |
| End of production | 1977 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Coupe |
| Seats | 5 |
| Doors | 2 |
| Fuel consumption (combined) | 10.5 l/100 km |
| Fuel consumption (US mpg) | 22.4 US mpg |
| Fuel consumption (UK mpg) | 26.9 UK mpg |
| Fuel consumption (km/l) | 9.5 km/l |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 10 sec |
| Acceleration 0 – 62 mph | 10 sec |
| Acceleration 0 – 60 mph | 9.5 sec |
| Maximum speed | 180 km/h (111.85 mph) |
| Weight-to-power ratio | 8.7 kg/Hp, 114.8 Hp/tonne |
| Weight-to-torque ratio | 6.1 kg/Nm, 162.8 Nm/tonne |
| Power | 105 Hp @ 5400 rpm |
| Power per litre | 55.4 Hp/l |
| Torque | 149 Nm @ 3400-4600 rpm (109.9 lb.-ft. @ 3400-4600 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 capacity | 6.8 l (7.19 US qt | 5.98 UK qt) |
| Kerb Weight | 915 kg (2017.23 lbs.) |
| Max. weight | 1290 kg (2843.96 lbs.) |
| Max load | 375 kg (826.73 lbs.) |
| Length | 4127 mm (162.48 in.) |
| Width | 1580 mm (62.2 in.) |
| Height | 1340 mm (52.76 in.) |
| Wheelbase | 2395 mm (94.29 in.) |
| Front track | 1304 mm (51.34 in.) |
| Rear track | 1300 mm (51.18 in.) |
| Minimum turning circle | 9.2 m (30.18 ft.) |
| Drivetrain Architecture | Rear wheel drive |
| Number of gears | 5 gears, manual transmission |
| Front brakes | Disc |
| Rear brakes | Drum |
Powertrain & Engine Architecture
The heart of the Kadett C Coupe 1.9 GT/E was the 19E engine, a 1.9-liter inline-four cylinder unit. This engine featured a single overhead camshaft (SOHC) valvetrain and multi-port fuel injection, a relatively advanced feature for the time. The injection system helped to improve fuel efficiency and power delivery compared to carbureted engines. The engine produced 105 horsepower at 5400 rpm and 149 Nm (109.9 lb-ft) of torque between 3400 and 4600 rpm. The engine was mounted longitudinally in the front of the vehicle, driving the rear wheels. The five-speed manual transmission was the only gearbox option available for the GT/E, emphasizing its sporty intentions. The 19E engine was known for its robust construction and relative simplicity, making it reasonably reliable for its era.
Driving Characteristics
The 1.9 GT/E offered a noticeable step up in performance compared to the standard Kadett C Coupes equipped with smaller engines. Acceleration from 0 to 60 mph took around 9.5 seconds, and it could reach a top speed of 180 km/h (112 mph). While not exceptionally quick by modern standards, this performance was competitive within its class in the mid-1970s. The five-speed gearbox allowed drivers to keep the engine in its optimal power band, providing decent acceleration in most situations. The rear-wheel-drive layout contributed to a more balanced handling feel, although it also meant that the car could be prone to oversteer if pushed hard. Compared to a potential future 1.6L version, the 1.9 GT/E offered more torque and a broader powerband, making it more enjoyable for everyday driving and spirited backroad excursions.
Equipment & Trim Levels
The GT/E trim level included several features designed to enhance both the aesthetic and driving experience. Standard equipment typically included a sporty steering wheel, upgraded seats with patterned upholstery, and a more comprehensive instrument cluster. Exterior features included distinctive GT/E badging, a black grille, and often, a rear spoiler. Optional extras could include a sunroof, upgraded audio system, and alloy wheels. The interior was relatively basic by today’s standards, but it was well-built and functional. The GT/E aimed for a balance between sporty appeal and everyday practicality.
Chassis & Braking
The Kadett C Coupe utilized a relatively simple chassis design, with a MacPherson strut front suspension and a rigid axle rear suspension. The GT/E variant often featured a thicker front stabilizer bar to reduce body roll during cornering. Braking was accomplished via disc brakes on the front wheels and drum brakes on the rear. While adequate for the car’s weight and performance, the braking system wasn’t particularly powerful by modern standards. The suspension setup provided a comfortable ride for everyday driving, while still offering reasonable handling characteristics.
Market Reception & Comparison
The Kadett C Coupe 1.9 GT/E was generally well-received by automotive critics. It was praised for its sporty styling, engaging driving experience, and relatively affordable price. However, some critics noted that the interior was somewhat basic and that the rear-wheel-drive layout could be challenging for inexperienced drivers. Compared to other coupes in its class, such as the Ford Capri, the Kadett C Coupe 1.9 GT/E offered a more practical and fuel-efficient alternative. Its fuel economy, around 22.4 US mpg, was respectable for the time. Reliability was generally good, although maintenance costs could be higher than for the base models due to the fuel injection system.
Legacy
The Opel Kadett C Coupe 1.9 GT/E holds a nostalgic place in the hearts of many European car enthusiasts. The 19E engine proved to be a durable and reliable unit, and many examples are still on the road today. The GT/E variant is particularly sought after by collectors and enthusiasts due to its sporty character and relative rarity. In the used car market, well-maintained examples command a premium price. The Kadett C Coupe 1.9 GT/E represents a significant chapter in Opel’s history, showcasing the brand’s ability to produce affordable and engaging performance cars.
