The Opel Kadett E GSI 16V, produced between 1987 and 1991, represented the performance pinnacle of the Kadett E range. Positioned as the sporty variant, it aimed to deliver a more engaging driving experience than the standard Kadett models. Built on the GM T-platform (internally known as the 1HX0/A3 platform, shared with other models like the Astra and Vectra), the GSI 16V offered a significant upgrade in engine performance and handling. It was a popular choice in Europe for drivers seeking an affordable yet capable hot hatch, competing with rivals like the Volkswagen Golf GTI and Ford Escort RS Turbo.
Technical Specifications
| Brand | Opel |
| Model | Kadett |
| Generation | Kadett E CC |
| Type (Engine) | 2.0 GSI 16V (156 Hp) |
| Start of production | 1987 |
| End of production | 1991 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Hatchback |
| Seats | 5 |
| Doors | 3-5 |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 7.7 sec |
| Acceleration 0 – 62 mph | 7.7 sec |
| Acceleration 0 – 60 mph | 7.3 sec |
| Maximum speed | 217 km/h (134.84 mph) |
| Weight-to-power ratio | 6.3 kg/Hp, 157.6 Hp/tonne |
| Weight-to-torque ratio | 4.9 kg/Nm, 205.1 Nm/tonne |
| Power | 156 Hp @ 6000 rpm |
| Power per litre | 78.1 Hp/l |
| Torque | 203 Nm @ 4800 rpm (149.73 lb.-ft. @ 4800 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | 20XE |
| Engine displacement | 1998 cm3 (121.93 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 86 mm (3.39 in.) |
| Piston Stroke | 86 mm (3.39 in.) |
| Compression ratio | 10.5:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | DOHC |
| Engine oil capacity | 4.5 l (4.76 US qt | 3.96 UK qt) |
| Coolant | 6.9 l (7.29 US qt | 6.07 UK qt) |
| Kerb Weight | 990 kg (2182.58 lbs) |
| Max. weight | 1480 kg (3262.84 lbs) |
| Max load | 490 kg (1080.27 lbs) |
| Trunk (boot) space – minimum | 485 l (17.13 cu. ft.) |
| Trunk (boot) space – maximum | 1385 l (48.91 cu. ft.) |
| Fuel tank capacity | 52 l (13.74 US gal | 11.44 UK gal) |
| Length | 3998 mm (157.4 in.) |
| Width | 1666 mm (65.59 in.) |
| Height | 1395 mm (54.92 in.) |
| Wheelbase | 2520 mm (99.21 in.) |
| Front track | 1406 mm (55.35 in.) |
| Rear (Back) track | 1406 mm (55.35 in.) |
| Minimum turning circle | 10.5 m (34.45 ft.) |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the front wheels of the vehicle. |
| Drive wheel | Front wheel drive |
| Number of gears and type of gearbox | 5 gears, manual transmission |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
Powertrain & Engine Architecture
The heart of the Kadett E GSI 16V was the 20XE engine, a 2.0-liter inline-four cylinder powerplant. This engine was a significant departure from the smaller, less powerful engines offered in other Kadett E models. The 20XE featured a dual overhead camshaft (DOHC) valvetrain with four valves per cylinder, enabling higher airflow and improved volumetric efficiency. Bosch Motronic fuel injection managed the fuel delivery, optimizing the air-fuel mixture for performance and emissions. The engine produced 156 horsepower at 6000 rpm and 203 Nm (149.73 lb-ft) of torque at 4800 rpm. The engine’s code, 20XE, is crucial for identifying parts and specifications. It was paired exclusively with a five-speed manual transmission, prioritizing driver engagement and performance. The transmission featured relatively short gear ratios, contributing to the car’s brisk acceleration.
Driving Characteristics
The Kadett E GSI 16V offered a noticeably more spirited driving experience compared to the standard Kadett. The 2.0-liter engine provided ample power for everyday driving, while also delivering strong acceleration when pushed. The five-speed manual transmission allowed drivers to keep the engine in its optimal power band. While not a particularly lightweight car, the GSI 16V’s chassis was well-tuned, providing a good balance between comfort and handling. The steering was direct and responsive, and the suspension offered a firm but controlled ride. Compared to the later, more refined Opel/Vauxhall Astra GSI, the Kadett felt more raw and engaging, offering a more classic hot hatch experience. The shorter gearing meant the engine could feel strained at highway speeds, but this was a trade-off for its impressive acceleration.
Equipment & Trim Levels
The GSI 16V trim level was relatively well-equipped for its time. Standard features typically included sports seats with distinctive upholstery, a leather-wrapped steering wheel, and a more comprehensive instrument cluster with additional gauges. Exterior features included a body-colored rear spoiler, side skirts, and unique alloy wheels. Optional extras included a sunroof, central locking, and upgraded audio systems. The interior, while functional, was not overly luxurious, reflecting the car’s focus on performance and affordability. The dashboard layout was typical of Opel vehicles of the era, with a clear and straightforward design.
Chassis & Braking
The Kadett E GSI 16V featured a MacPherson strut front suspension and a torsion beam rear suspension. The front suspension incorporated a stabilizer bar to reduce body roll during cornering. Braking duties were handled by ventilated disc brakes at the front and solid disc brakes at the rear. While adequate for most driving situations, the braking system wasn’t as powerful as those found on some contemporary performance cars. The suspension was tuned to provide a balance between comfort and handling, offering a firm ride without being overly harsh. The chassis was reinforced compared to standard Kadett models to handle the increased power and stresses of performance driving.
Market Reception & Comparison
The Kadett E GSI 16V was generally well-received by automotive critics. It was praised for its strong performance, engaging handling, and affordability. However, some critics noted that the interior was somewhat basic and that the ride could be firm. Compared to other Kadett E models, the GSI 16V offered a significant performance upgrade, but it also came with a higher price tag. Against rivals like the Golf GTI, the Kadett GSI 16V often offered a similar level of performance at a slightly lower cost. Fuel economy was reasonable for a performance car of its era, but it was less fuel-efficient than the diesel and smaller-engined Kadett models. Reliability was generally good, although the 20XE engine could be prone to oil leaks if not properly maintained.
Legacy
The Opel Kadett E GSI 16V has become a sought-after classic car among enthusiasts. The 20XE engine is known for its durability and tunability, making it a popular choice for engine swaps and modifications. Well-maintained examples are becoming increasingly rare and valuable. The Kadett E GSI 16V represents a significant chapter in Opel’s history, showcasing the brand’s ability to produce affordable and engaging performance cars. Today, it’s remembered as a capable and enjoyable hot hatch that offered a compelling alternative to its more established rivals. Finding original, unmolested examples is becoming increasingly difficult, as many have been modified or neglected over the years. However, the Kadett E GSI 16V remains a popular choice for classic car enthusiasts and a testament to Opel’s engineering prowess.



