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.
Safety recalls
Owner complaints by component
- Engine and engine cooling2
- Engine1
- Visibility1
- Power train1
- Seats1
- Seat belts1
- Electrical system1
- Exterior lighting1
- Vehicle speed control1
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.
What owners report most
Engine and engine cooling
“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”
Engine
“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.…”
Visibility
“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.”
Engines, transmissions & drive
- 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.
EPA fuel economy by version
| Version | City | Hwy | Comb. | Fuel / yr | CO₂ g/mi |
|---|---|---|---|---|---|
| XJ8L Auto 5-spd, 8 cyl, 4.0 L · Rear-Wheel Drive | 15 | 22 | 18 | $4,400 | 494 |
- 18mpg comb.
NHTSA 5-Star Safety Ratings
Maintenance basics
| Item | Miles | Time | Note |
|---|---|---|---|
| Engine oil & filter | 5,000–10,000 mi | 6–12 months | Follow the oil-life monitor if fitted |
| Tire rotation | 5,000–7,500 mi | Every oil change | Check pressure monthly |
| Engine air filter | 15,000–30,000 mi | 1–2 years | Sooner in dusty areas |
| Cabin air filter | 15,000–25,000 mi | 1–2 years | |
| Brake fluid | — | 2–3 years | Absorbs moisture over time |
| Coolant | 60,000–100,000 mi | 5–10 years | Long-life coolants last longer |
| Spark plugs | 60,000–100,000 mi | — | Iridium/platinum plugs at the long end |
| 12V battery | — | 3–5 years | Heat 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
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).