1983 JAGUAR XJ6

4.2-liter (4,235 cc) straight-six cylinder: 225 horsepower (168 kW) and 270 lb-ft (366 Nm) of torque. The 1983 model year saw the introduction of Bosch L-Jetronic electronic fuel injection for this engine, resulting in improved power and fuel economy.

Performance:

The 4.2-liter engine could propel the XJ6 to a top speed of around 120 mph (193 km/h) and accelerate from 0 to 60 mph (97 km/h) in about 8.5 seconds.
Handling was praised for its smooth and comfortable ride, especially compared to other luxury cars of the era.
Features:

Air conditioning was standard equipment.
The interior was spacious and appointed with wood trim and leather upholstery.
Power windows, power locks, and a sunroof were optional extras.
Safety features included disc brakes on all four wheels and anti-lock brakes (ABS) as an option.
Dimensions:

Length: 4,959 mm (195.2 in)
Width: 1,770 mm (69.7 in)
Height: 1,377 mm (54.2 in)
Wheelbase: 2,921 mm (115.0 in)
Curb weight: 1,780 kg (3,924 lb)

Fuel Economy:
The 4.2-liter engine was slightly less fuel-efficient, with an estimated 15 mpg city and 23 mpg highway.