1998 Jaguar XJ
Body style(s):
4-door sedan

Trim levels:
XJ8
XJ8L
XJ Vanden Plas
XJR
MSRP:
$54,750
$59,750
$63,800
$67,400

Notes: The aluminum quadcam V8 engine from the new XK8 coupe arrived under the hood of Jaguar's sedan for 1998, necessitating a change of designation for most of the models. The new engine provided dramatically better performance, as well as slightly improved fuel economy. The new engines, in normally-aspirated and supercharged forms, were coupled to a new 5-speed version of Jaguar's peculiar J-gate manumatic transmission. J-gate allowed manual shifting, but only from second gear, via a heavily-sprung selector lever. Because of the greater power of its supercharged engine, the XJR was unable to utilize the 5-speed ZF manumatic, and instead used a Mercedes-Benz transmission heretofore found on the S-Class V12s. An interior redesign was also undertaken, including a replacement of much of the cabin electrical equipment, thus defeating some of the XJ's persistant electrical gremlins. Other changes to the suspension (stiffer and with a rear anti-roll bar) and brakes (larger discs) were also made this year. This resulted in a designation change from XJ300 to XJ308.

Series: 1995-2003

DESIGN

Layout:
Seats:

Engine(s):
longitudinal front-engine, rear-wheel drive, steel unibody
5

4.0L 32-valve dohc SFI V8 [XJ8, XJ8L, Vanden Plas]
Bore x stroke: 86.0x86.0mm
Compression ratio: 10.8 to 1 (91-octane unleaded)
Horsepower (SAE net): 290bhp@6100rpm
Torque (SAE net): 290lb-ft@4250rpm
Transmission: 5-speed manumatic (final drive ratio 3.06:1)
EPA fuel economy (city/hwy, 1985 test): 17/24mpg
4.0L 32-valve dohc SFI supercharged & twin-intercooled V8 [XJR]
Bore x stroke: 86.0x86.0mm
Compression ratio: 9.0 to 1 (91-octane unleaded)
Boost pressure: 11.6psi
Horsepower (SAE net): 370bhp@5000rpm
Torque (SAE net): 387lb-ft@3600rpm
Transmission: 5-speed manumatic (final drive ratio 3.06:1)
EPA fuel economy (city/hwy, 1985 test): 16/22mpg

DIMENSIONS


EPA Class:
Wheelbase:
Length:
Width:
Height:
Track, F:
Track, R:
Clearance:
XJ8, XJR
COMPACT
113.0"
197.8"
81.7"
53.1"
59.1"
59.0"
5.1"
XJ8L, Vanden Plas
MIDSIZE
117.9"
202.8"
81.7"
53.5"
59.1"
59.0"
5.1"
Curb weight: 3996lbs. 4048lbs.
Interior volume:
Cargo volume:
Fuel tank:
51/41 cu ft. (f/r)
12.7 cu ft.
21.4 gal.
51/48 cu ft. (f/r)
12.7 cu ft.
21.4 gal.

TECHNICAL

Tires:
Suspension
(f/r):
Brakes (f/r):
Steering:
Active sys.:
Airbags:
225/60-16; 255/40-18 (XJR)
independent: short/long A-arms, coil springs, tube shocks, ARB
independent: multilink, coil springs, tube shocks, ARB
disc/disc, ABS (12.1" vented/12.1" vented)
rack-and-pinion, power-assisted, 2.8 turns-to-lock
traction control (std.), stability control (std.)
dual front, dual front side

PERFORMANCE

Acceleration (zero to 60 mph):
Braking (60 to zero mph):
Roadholding (skidpad):
Slalom speed (100' intervals):
Turning circle:
6.7sec. (XJ8), 5.5sec. (XJR)
130ft. (XJ8)
0.78g (XJR)
58.6mph (XJR)
39.7ft.


SEE ALSO: none
COMPETITORS: Audi A8, BMW 7-Series, Cadillac DeVille Concours, Infiniti Q45, Lexus LS 400, Mercedes-Benz S-Class

1998 Jaguar XJ8 sedan
Jaguar XJ8 sedan.

1998 Jaguar XJ8L sedan
Jaguar XJ8L sedan.

1998 Jaguar XJR sedan
Jaguar XJR sedan (note mesh grille).

1998 Jaguar XJ Vanden Plas sedan
Jaguar Vanden Plas sedan (note chrome grille).


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