1987-1991 Jaguar XJSc Convertible 3.6 (212 Hp)

The Jaguar XJSC Convertible 3.6, produced between 1987 and 1991, represents a significant iteration of Jaguar’s attempt to replace the iconic E-Type. Positioned as the open-top variant of the XJ-S (XJS) grand tourer, the XJSC aimed to blend British luxury with sporting performance. This particular 3.6-liter version, equipped with a naturally aspirated inline-six engine, occupied a middle ground in the XJSC lineup, offering a balance between performance and refinement compared to the earlier 3.0-liter models and the later, more powerful 4.0-liter versions. It was a key part of Jaguar’s efforts to modernize its image and appeal to a broader customer base in the late 1980s, particularly in North America, which was a crucial market for the XJSC.

Technical Specifications

Powertrain & Engine Architecture

The heart of the XJSC 3.6 is Jaguar’s AJ6 inline-six engine, displacing 3.6 liters (3590 cc). This engine, a development of the earlier AJ series, featured a lightweight alloy cylinder head and block, contributing to its relatively low weight for its size. The engine utilized a Bosch Motronic fuel injection system, managing fuel delivery and ignition timing for optimal performance and emissions control. The valvetrain consisted of three valves per cylinder – two intake and one exhaust – a configuration that enhanced breathing and contributed to the engine’s smooth power delivery. Unlike some contemporary engines, the AJ6 did not employ forced induction; its 212 horsepower at 5,500 rpm and 220 lb-ft of torque at 4,000 rpm were achieved through careful engineering and optimization of the naturally aspirated design. The engine was typically paired with a three-speed Chrysler Torqueflite automatic transmission, known for its robustness but also for its relatively conservative gear ratios. This transmission was chosen for its smoothness and reliability, aligning with the XJSC’s grand touring character. A five-speed manual transmission was available in some markets, but the automatic was by far the more common choice, particularly in North America.

Driving Characteristics

The XJSC 3.6 Automatic offered a distinctly grand touring experience. The three-speed automatic, while not providing the quickest acceleration, delivered smooth and effortless cruising. Acceleration from 0 to 60 mph was typically achieved in around 7.8 seconds, respectable for the era but noticeably slower than the manual transmission versions or the later 4.0-liter models. The gear ratios were geared towards relaxed highway driving, with a focus on minimizing engine revs at cruising speeds. The inline-six engine provided ample torque throughout the rev range, making overtaking maneuvers relatively easy. However, the car’s weight – approximately 3,700 pounds – and the transmission’s limitations meant that it wasn’t a particularly sporty performer. The steering was power-assisted and relatively light, providing ease of use but lacking the direct feel preferred by some enthusiasts. The suspension, a double wishbone setup at the front and a semi-trailing arm arrangement at the rear, prioritized ride comfort over outright handling precision. The convertible top, while adding to the open-air enjoyment, also contributed to chassis flex, which was noticeable on uneven road surfaces.

Equipment & Trim Levels

The XJSC 3.6 Convertible was well-equipped for its time, reflecting Jaguar’s commitment to luxury. Standard features included leather upholstery, power windows, power locks, and a premium sound system. Wood veneer trim adorned the dashboard and door panels, adding to the car’s opulent interior. Air conditioning was standard, a necessity for comfortable open-top motoring. Optional extras included heated seats, a sunroof (in addition to the convertible top), and upgraded audio systems. The interior design was typically Jaguar – elegant and understated, with a focus on craftsmanship and quality materials. The dashboard layout was relatively conventional, with clearly labeled gauges and controls. The seats were comfortable and supportive, designed for long-distance journeys. Trim levels were relatively limited; the XJSC 3.6 was positioned as a mid-range offering, with the 4.0-liter models representing the more luxurious and performance-oriented option.

Chassis & Braking

The XJSC Convertible utilized a monocoque chassis construction, providing a good balance of strength and rigidity. The suspension system, as mentioned previously, consisted of double wishbones at the front and a semi-trailing arm setup at the rear. Anti-roll bars were fitted to both axles, helping to reduce body roll during cornering. Braking was provided by disc brakes on all four wheels, with power assistance. However, the braking system lacked the advanced features found on some contemporary sports cars, such as ABS (Anti-lock Braking System). Rear drum brakes were sometimes fitted on earlier models, but the 3.6 typically featured all-disc brakes. The tires were typically 225/60R16, providing a good compromise between grip and ride comfort. The steering was a power-assisted rack-and-pinion system, offering relatively light and precise steering feel.

Market Reception & Comparison

The XJSC 3.6 Convertible received generally positive reviews from automotive critics. It was praised for its elegant styling, luxurious interior, and comfortable ride. However, it was also criticized for its relatively modest performance and its somewhat dated technology. Compared to the earlier 3.0-liter XJSC models, the 3.6 offered a noticeable improvement in performance, thanks to the larger engine. However, it was outpaced by the later 4.0-liter versions, which provided significantly more power and torque. The 3.6 also offered better fuel economy than the 4.0-liter, making it a more practical choice for some buyers. Compared to rivals such as the Mercedes-Benz SL and the Porsche 911, the XJSC 3.6 offered a different character – more focused on luxury and comfort than outright sporting performance. Reliability was generally good, although the complex Bosch Motronic fuel injection system could be prone to occasional issues.

Legacy

The Jaguar XJSC 3.6 Convertible, while not a runaway sales success, remains a desirable classic car today. The AJ6 engine, when properly maintained, is known for its durability and longevity. However, as with any classic Jaguar, regular maintenance and attention to detail are essential to keep it running reliably. The XJSC’s elegant styling and luxurious interior continue to appeal to enthusiasts. The convertible top adds to its desirability, making it a popular choice for warm-weather driving. In the used car market, prices for well-maintained XJSC 3.6 Convertibles have been steadily increasing in recent years, reflecting their growing popularity and collectibility. Parts availability is generally good, although some specific components can be difficult to find. The XJSC 3.6 represents a unique chapter in Jaguar’s history – a blend of British luxury, sporting aspirations, and a touch of 1980s flair.