Research · Midsize Cars

1999 Jaguar XJ8LRecalls, problems, MPG & safety

NHTSA lists 0 safety recalls and 9 owner complaints for the 1999 Jaguar XJ8L. Most complaints involve engine and engine cooling (2) and engine (1). The EPA rates it 18 mpg combined.

Combined MPG
18mpg
EPA · 1 version
NHTSA overall
—
Not rated by NCAP
Safety recalls
0campaigns
NHTSA
Owner complaints
9
Top: engine and engine cooling
Fuel cost / yr
$4,400est.
EPA estimate, best version
01 —Recalls

Safety recalls

NHTSA campaigns for this model year
0 recalls found in NHTSA data for the 1999 Jaguar XJ8L as of Oct 30, 2026.
Data from NHTSA Recalls API · synced Oct 30, 2026NHTSA vehicle page
02 —Complaints

Owner complaints by component

9 complaints filed with NHTSA · Jul 2002 – Oct 2013
  1. Engine and engine cooling2
  2. Engine1
  3. Visibility1
  4. Power train1
  5. Seats1
  6. Seat belts1
  7. Electrical system1
  8. Exterior lighting1
  9. Vehicle speed control1

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.

By model year

Complaints for each XJ8L model year we’ve synced.

View as table
Model yearNHTSA complaints
199815
19999
Crashes reported
1
Fires reported
1
Injuries reported
4
Deaths reported
0
Data from NHTSA Complaints API · synced Oct 30, 2026NHTSA vehicle page
03 —Common problems

What owners report most

Verbatim excerpts from NHTSA complaints, by component

Engine and engine cooling

2 reports
“MY 99 XJ8L JAGUAR WOULDN'T START AND I TOOK IT TO A MECHANIC--HE SAID 4 OF MY 8 CYLINDERS STOPPED WORKING AND I NEEDED A NEW ENGINE. I DID A VEHICLE SEARCH FOR MY CAR AND FOUND OUT THERE WAS ENGINE PROBLEMS FROM THE MANUFACTURER ITS CALLED THE NIKASIL PROBLEM - DOCUMENT NUMBERS ARE S491V6 OR V5. I NEED TO KNOW IF MY CAR FALL UNDER THIS PROBLEM. I KEPT UP WITH ALL OF THE MAINTENANCE SUGGESTIONS( OIL CHANGE,MILEAGE CHECKUPS)., AND MY ENGINE STILL FAILED AT 87715 MILES. *TR”
Owner complaint to NHTSAFiled Feb 11, 2009Engine and engine coolingODI 10258371

Engine

1 report
“WAS ON US I-280 NORTHBOUND AT ABOUT 8 P.M., GOING PREVAILING SPEED, GOING TO A SOCIAL MEETING, BUT WITH AN ORGANIZATIONAL DIRECTOR. HEARD LOUD POP AND CAR LURCHED FORWARD ABRUPTLY, THEN ENGINE BEGAN TO RATTLE, SMOKE AND BURNT RUBBER/OIL SMELL BEGAN TO INVADE CABIN. HUSBAND TURNED OFF ENGINE AND COASTED TO SIDE OF HIGHWAY AND UP EXIT RAMP SHOULDER. TOOK THE CAR TO DELONG'S AUTO REPAIR, THE ONLY KNOWN AUTHORIZED JAGUAR SERVICE CENTER FOR AT LEAST 50 MILES IN ANY DIRECTION. OWNER, CHIEF MECHANIC, [XXX] SAID WE HAD AN ORIGINAL DEFECTIVE TEMPERATURE GAUGE THAT GIVES FALSE READINGS AND CAR HAD OVERHEATED WITHOUT SHOWING IT ON GAUGE AND THE HEADGASKET BLEW CAUSING CATASTROPHIC ENGINE FAILURE--ON THE HIGHWAY. WE WERE TOLD THAT JAGUAR HAS A COOLING PROBLEM WITH THIS ENGINE AND RATHER THAN FIX IT, THEY PUT IN GAUGES THAT DELIBERATELY DECEIVE THE OWNER INTO BELIEVING HIS/HER VEHICLE IS RUNNING AT A NORMAL TEMPERATURE WHEN IT IS NOT. PREVIOUSLY WE'VE HAD REPEATED INCIDENTS OF "CHECK ENGINE" LIGHT GOING ON AND TOOK CAR TO JAGUAR AND OTHERS. NOTHING SEEMED OUT OF PLACE, DAMAGED, ETC.--MECHANICS REPEATEDLY TOLD US THAT IT WAS POSSIBLE IT WAS A MALFUNCTIONING INDICATOR LIGHT.…”
Owner complaint to NHTSAFiled Oct 3, 2013EngineODI 10546670

Visibility

1 report
“THE REAR VIEW MIRROR WHICH HAS A DIMMING FEATURE FAILED. BLACK FLUID CAME SPILLING OUT ONTO THE CENTER CONSOLE AND THE RADIO CONTROLS. THE MIRROR BE CAME NON FUNCTIONAL, THERE BY HAVING DIFFICULTY IN VIEWING TO THE REAR OF THE CAR. *TR I MADE CONTACT WITH JAGUAR AND THEY HAVE BEEN NON RESPONSIVE.”
Owner complaint to NHTSAFiled May 10, 2008VisibilityODI 10227219
Data from NHTSA Complaints API (owner reports, unverified) · synced Oct 30, 2026
04 —Key specs

Engines, transmissions & drive

1 version rated by the EPA
EPA class
Midsize Cars
Engines
4.0L 8-cyl
Transmissions
Automatic 5-spd
Drive
Rear-Wheel Drive
Fuel
Premium Gasoline

Towing, payload and dimensions aren’t in the EPA or NHTSA data, so we don’t list them.

Data from EPA fueleconomy.gov · synced Oct 30, 2026EPA listing
05 —Fuel economy

EPA fuel economy by version

City / highway / combined, annual fuel cost and CO₂
EPA
VersionCityHwyComb.Fuel / yrCO₂ g/mi
XJ8L
Auto 5-spd, 8 cyl, 4.0 L · Rear-Wheel Drive
152218$4,400494
  • XJ8L
    Auto 5-spd, 8 cyl, 4.0 L
    15 city · 22 hwy · $4,400/yr
    18
    mpg comb.
Data from EPA fueleconomy.gov · synced Oct 30, 2026 · Fuel cost is EPA’s annual estimate (15,000 mi, 55% city)
06 —Safety

NHTSA 5-Star Safety Ratings

New Car Assessment Program
NHTSA has not published 5-Star Safety Ratings for the 1999 Jaguar XJ8L as of Oct 30, 2026.
Data from NHTSA NCAP Safety Ratings API · synced Oct 30, 2026
07 —Maintenance

Maintenance basics

General guidance, not the OEM schedule. Check your owner’s manual.
General guidance
ItemMilesTimeNote
Engine oil & filter5,000–10,000 mi6–12 monthsFollow the oil-life monitor if fitted
Tire rotation5,000–7,500 miEvery oil changeCheck pressure monthly
Engine air filter15,000–30,000 mi1–2 yearsSooner in dusty areas
Cabin air filter15,000–25,000 mi1–2 years
Brake fluid—2–3 yearsAbsorbs moisture over time
Coolant60,000–100,000 mi5–10 yearsLong-life coolants last longer
Spark plugs60,000–100,000 mi—Iridium/platinum plugs at the long end
12V battery—3–5 yearsHeat shortens battery life
  • Engine oil & filter5,000–10,000 mi
    6–12 months
  • Tire rotation5,000–7,500 mi
    Every oil change
  • Engine air filter15,000–30,000 mi
    1–2 years
  • Cabin air filter15,000–25,000 mi
    1–2 years
  • Brake fluid—
    2–3 years
  • Coolant60,000–100,000 mi
    5–10 years
  • Spark plugs60,000–100,000 mi
    —
  • 12V battery—
    3–5 years
Typical intervals for modern cars. Severe service (towing, short trips, extreme heat or cold) shortens them.
09 —FAQ

1999 XJ8L questions

How many recalls does the 1999 Jaguar XJ8L have?

0 recalls found in NHTSA data as of Oct 30, 2026.

What are the most common 1999 Jaguar XJ8L problems?

Owners filed 9 complaints with NHTSA. The most-cited components are engine and engine cooling (2), engine (1), visibility (1). Complaints are unverified owner reports and aren't adjusted for how many cars were sold.

What MPG does the 1999 Jaguar XJ8L get?

The EPA rates the 1999 Jaguar XJ8L at 18 mpg combined, depending on engine and drivetrain (1 version rated).

Data from NHTSA & EPA · synced Oct 30, 2026