Research · Large Cars

2006 Jaguar XJ8Recalls, problems, MPG & safety

NHTSA lists 0 safety recalls and 4 owner complaints for the 2006 Jaguar XJ8. Most complaints involve power train (1) and fuel system, gasoline (1). The EPA rates it 19 mpg combined.

Combined MPG
19mpg
EPA · 1 version
NHTSA overall
—
Not rated by NCAP
Safety recalls
0campaigns
NHTSA
Owner complaints
4
Top: power train
Fuel cost / yr
$4,200est.
EPA estimate, best version
01 —Recalls

Safety recalls

NHTSA campaigns for this model year
0 recalls found in NHTSA data for the 2006 Jaguar XJ8 as of Oct 28, 2026.
Data from NHTSA Recalls API · synced Oct 28, 2026NHTSA vehicle page
02 —Complaints

Owner complaints by component

4 complaints filed with NHTSA · Aug 2013 – Dec 2017
  1. Power train1
  2. Fuel system, gasoline1
  3. Suspension1
  4. Electrical system1

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 XJ8 model year we’ve synced.

View as table
Model yearNHTSA complaints
199883
199911
200113
20064
Crashes reported
0
Fires reported
1
Injuries reported
0
Deaths reported
0
Data from NHTSA Complaints API · synced Oct 28, 2026NHTSA vehicle page
03 —Common problems

What owners report most

Verbatim excerpts from NHTSA complaints, by component

Power train

1 report
“TL* THE CONTACT OWNS A 2006 JAGUAR XJ8. WHILE THE VEHICLE WAS PLACED IN PARK, IT CONTINUED TO MOVE FORWARD. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE CONTACT STATED THAT THE VEHICLE WAS INOPERABLE. THE CONTACT WAS CONCERNED THAT THE VEHICLE WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER: 05V503000 (POWER TRAIN). THE LOCAL DEALER WAS NOT CONTACTED. THE MANUFACTURER WAS NOTIFIED OF THE ISSUE. THE APPROXIMATE FAILURE MILEAGE WAS 105,722.”
Owner complaint to NHTSAFiled Dec 4, 2017Power trainODI 11052318

Fuel system, gasoline

1 report
“JAGUAR HAS LESS THAN 600 MILES / YR, NEVER PARKED OUTSIDE, DRIVEN IN ANY TYPE OF WEATHER BEFORE FAILURE. 3-30-2015, AFTER 170 MILE RIDE, TOPPED THE FUEL OFF BEFORE PLACING BACK INTO INSIDE COVERED STORAGE. NEXT MORNING I DISCOVERED SIGNIFICANT FUEL LEAKAGE ON THE FLOOR UNDER THE REAR OF THE JAGUAR ACCOMPANIED BY SEVERE GASOLINE FUMES THROUGHOUT THE STORAGE GARAGE THAT IS ALSO ATTACHED TO OUR RESIDENCE. UPON CAREFULLY PUSHING THE JAGUAR OUT OF STORAGE AND TAKING OVERT MEASURES TO SECURE THE DANGEROUS SITUATION, INSPECTION REVEALED A SERIOUS FUEL LEAKAGE CONDITION ASSOCIATED WITH THE FUEL TANK ASSEMBLY. PRIOR TO THIS INCIDENT THIS CAR HAD BEEN A FLAWLESS AND VERY ENJOYABLE AUTOMOBILE THAT WE HAD EVERY INTENT KEEPING INDEFINITELY THROUGHOUT OUR RETIREMENT. SEARCHING ONLINE, I DISCOVERED THE NHSTA RECALL CAMPAIGN FOR WHICH WE HAD NEVER RECEIVED ANY NOTICE WHATSOEVER, IN SPITE OF OUR OWNING THIS JAGUAR SINCE 2006 AND NEVER HAVING CHANGED OUR ADDRESS OR OWNERSHIP TITLE. DELIVERED THE JAG TO HOEHN JAGUAR CARLSBAD, CA AND THEY CONFIRMED THE RECALL AND LEARNED THE REQUIRED FUEL TANK ASSEMBLY WAS NOT IN STOCK. A WEEK LATER I WAS NOTIFIED THE REPAIR ASSEMBLY WAS RECEIVED…”
Owner complaint to NHTSAFiled Jun 2, 2015Fuel system, gasolineODI 10722832

Suspension

1 report
“A KNOWN DEFECT IN THE MANUFACTURE OF THE 2004 THROUGH 2006 JAGUAR XJ8S AND NEEDS TO BE RECALLED FOR REPAIR IN REGARD TO THIS MODEL'S AIR SUSPENSION. IN COLD TEMPERATURES (30 DEGREES F OR BELOW), THE AIR SUSPENSION SYSTEM FAILS TO KEEP THE FRONT END OF THE VEHICLE SUSPENDED. A RED LIGHT ON THE INSTRUMENT CLUSTER LIGHTS UP AND THE MESSAGE CENTER DISPLAYS THE WARNING, "VEHICLE TOO LOW". THIS PARTICULAR INCIDENT OCCURRED THIS MORNING, 11/12/2013, AS I STARTED MY CAR (27 DEGREES F OUTSIDE). UNFORTUNATELY, THIS HAPPENED TO ME 6 MONTHS AGO WHILE TRAVELING ON THE INTERSTATE ACROSS COUNTRY WHEN THE OUTSIDE TEMPERATURE DIPPED TO 29 DEGREES F. I WAS GOING THE SPEED LIMIT OF 70 MPH AT THE TIME THAT THE SUSPENSION SUDDENLY DROPPED. IT COULD HAVE CAUSED A MAJOR CAR ACCIDENT. AS SOON AS THE OUTSIDE TEMPERATURE RISES ABOVE 30 DEGREES F, THE AIR SUSPENSION COMPRESSOR KICKS IN AND LIFTS THE VEHICLE UP TO ITS APPROPRIATE HEIGHT. THIS KNOWN DEFECT IN THE MANUFACTURE OF THE AIR SUSPENSION IS HIGHLY DANGEROUS AND A RECALL NEEDS TO BE ENACTED AGAINST THE MANUFACTURER, JAGUAR. I HAVE DISCOVERED ON THE INTERNET COUNTLESS COMPLAINTS OF THIS PROBLEM. *TR”
Owner complaint to NHTSAFiled Nov 12, 2013SuspensionODI 10551907
Data from NHTSA Complaints API (owner reports, unverified) · synced Oct 28, 2026
04 —Key specs

Engines, transmissions & drive

1 version rated by the EPA
EPA class
Large Cars
Engines
4.2L 8-cyl
Transmissions
Automatic 6-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 28, 2026EPA listing
05 —Fuel economy

EPA fuel economy by version

City / highway / combined, annual fuel cost and CO₂
EPA
VersionCityHwyComb.Fuel / yrCO₂ g/mi
XJ8
Auto 6-spd, 8 cyl, 4.2 L · Rear-Wheel Drive
162519$4,200468
  • XJ8
    Auto 6-spd, 8 cyl, 4.2 L
    16 city · 25 hwy · $4,200/yr
    19
    mpg comb.
Data from EPA fueleconomy.gov · synced Oct 28, 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 2006 Jaguar XJ8 as of Oct 28, 2026.
Data from NHTSA NCAP Safety Ratings API · synced Oct 28, 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

2006 XJ8 questions

How many recalls does the 2006 Jaguar XJ8 have?

0 recalls found in NHTSA data as of Oct 28, 2026.

What are the most common 2006 Jaguar XJ8 problems?

Owners filed 4 complaints with NHTSA. The most-cited components are power train (1), fuel system, gasoline (1), suspension (1). Complaints are unverified owner reports and aren't adjusted for how many cars were sold.

What MPG does the 2006 Jaguar XJ8 get?

The EPA rates the 2006 Jaguar XJ8 at 19 mpg combined, depending on engine and drivetrain (1 version rated).

Data from NHTSA & EPA · synced Oct 28, 2026