Jaguar XJ (1986 – 1994) vs Porsche 928 S (1986 – 1991): specs compared

Both offer around 318 hp at most. The Porsche 928 S is quicker, reaching 100 km/h in 5.9 s against 7.2 s. It has the higher top speed: 270 km/h against 250 km/h. It is the lighter car, from 1,580 kg against 1,700 kg. At 4,521 mm, the Porsche 928 S is 1,531 mm longer than the Jaguar XJ.

Specification Jaguar XJ Jaguar XJ 1986 – 1994 Porsche 928 S Porsche 928 S 1986 – 1991
Overview
Origin United Kingdom Germany
Documented years 1986 – 1994 1986 – 1991
Body style — —
Variants 6 2
Fuel Petrol Petrol
Drive RWD RWD
Gearbox Automatic · Manual Automatic · Manual
Performance
Power 150 – 318 hp 320 hp
Torque 225 – 463 Nm 430 Nm
0–100 km/h 7.2 – 9.6 s 5.9 s
Top speed 196 – 250 km/h 266 – 270 km/h
Economy
Fuel economy 10.3 – 15.2 L/100 km —
Dimensions
Length 2,990 mm 4,521 mm
Width 1,791 mm 1,836 mm
Height 1,379 mm 1,283 mm
Wheelbase 2,870 mm 2,499 mm
Curb weight 1,700 – 1,985 kg 1,580 – 1,600 kg

Ranges cover all variants of each car. The highlight marks the best version per row.

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