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Jaguar XK8Model year report

1999 Jaguar XK8 Problems

Complaints
23filed with NHTSA
Median mileage
55,100miles, 21 complaints with mileage
Recalls
0campaigns on record
Trend
StableComplaints filed in the last 3 full calendar years are within 25% of the 3 years before.
NHTSA crash rating
—overall rating starts with 2011 models
EPA fuel economy
18 mpgcombined, 4.0L 8-cyl RWD · 15 city / 23 hwy

Sources: NHTSA records for the 1999 Jaguar XK8 (complaints, recalls, investigations), EPA fuel economy. Report an error

NHTSA recorded 23 consumer complaints for the 1999 Jaguar XK8. The part named most often is engine cooling, with 5 complaints (22% of the total), followed by transmission and drivetrain (5) and brakes (3). 21 of the complaints include a mileage, and 29% of those were filed for vehicles with under 50,000 miles; the median is 55,100 miles. Of all complaints, 1 involved a crash, 1 an injury, according to the filers. NHTSA lists 0 recall campaigns and 21 technical service bulletins for this model year. Engine cooling complaints overlap with 3 technical service bulletins filed under the same part. Transmission and drivetrain complaints overlap with 1 technical service bulletin filed under the same part.

This model year has fewer than 25 complaints on record, so the numbers below can change a lot with a few new reports.

Which parts are reported most

Complaints can name more than one part, so the counts add up to more than the total. Select a part to see its complaints, recalls and bulletins.

Also reported: Latches, locks and linkages (1), Steering (1), Tires (1).

Example complaints

Engine cooling: “After starting the engine, it began to make noise and had a rough idle. The restricted performance message flashed and then the engine died. The timing chain tensioner failed and jumped mechanical timing, which seems to be a very common problem. This could have caused an accident because all power steering and brakes were lost while driving the vehicle through a busy intersection. If you read on any Jaguar forum, this is a problem that is common with the Jaguar 4.0 v8 from 1998 through 2000.”

NHTSA complaint #10130147, filed 2005-07, 60,000 miles

Transmission and drivetrain: “Transmission locks up or hard downshifts at speeds of fifteen miles or below on decellateration. Found recall campaign number 99v138000, dated june 02, 1999, however was told my VIN number was not on recall list. I checked the internet and found hundreds of blogs of complaints involving the exact same problem. If this is a known failure and a recall was issued why not to some vehicles and not to all transmissions that were affected. …”

NHTSA complaint #10192299, filed 2007-06, 70,204 miles

Brakes: “I removed foot from accelerator and applied brake. Car surged forward. I shifted foot farther to left and continued brake application and car stopped. I discovered that brake and accelerator pedals too close together so that, when foot applied to brake, right side of foot can inadvertently press down on accelerator.”

NHTSA complaint #10312538, filed 2010-02, 89,020 miles

Body and structure: “I own a 1999 Jaguar XK8. On august 8th I was riding on the highway when hydraulic fluid started to pour from the overhead near the internal lights. The hydraulic lines which feed the convertible top ruptured; my car has only 62,000 miles on it. I contacted Jaguar to lodge a complaint. They indicated that there had been no complaints about such events occurring in the XK8 model. When I contacted the dealer service they had a ready price to fix the item. Accordingly in the bay at the time were 3 other owners who were experiencing the same problem. …”

NHTSA complaint #10202119, filed 2007-09, 61,200 miles

Mileage when problems were reported

29% of the 21 complaints with a mileage were filed for vehicles with under 50,000 miles; the middle half falls between 49,000 and 65,000 miles.

0%0–1019%10–2510%25–5057%50–7514%75–1000%100–1500%150+
Share of complaints by mileage when the problem was reported, in thousands of miles (21 complaints with mileage). Red bars: under 50,000 miles. Bucket widths differ. Median: 55,100 miles.

Complaints by year filed

Trend: stable. Complaints filed in the last 3 full calendar years are within 25% of the 3 years before.

200120046200620082010
Complaints by year the complaint was filed with NHTSA. Red bars: the last 3 full calendar years used for the trend. The current year (2026) is partial.

Fuel economy and running cost

EPA ratings for each 1999 Jaguar XK8 version. Annual fuel cost is the EPA's estimate at its current fuel prices for 15,000 miles a year (55% city driving).

VersionEngineTransmissionCityHwyComb.Fuel / yr
XK8 RWD4.0L 8-cyl5-speed automatic152318$4,550
XK8 Convertible RWD4.0L 8-cyl5-speed automatic152217$4,850

Source: U.S. EPA and Department of Energy, fueleconomy.gov. Ratings are for comparing vehicles; real-world mileage varies with driving and conditions.

Recalls and investigations

NHTSA lists no recall campaigns for the 1999 Jaguar XK8 in the data used here. A recall can apply to some vehicles of a model year and not others, so check a specific vehicle by VIN at nhtsa.gov/recalls.

Technical service bulletins

TSBs are manufacturer notes to dealers about known repair procedures. They are not recalls and do not by themselves mean a vehicle has a fault. 21 on record; the latest 10 are shown.

See all 21 bulletins →

Other model years of the Jaguar XK8

YearComplaintsMedian miRecallsCrash ★MPGScore (50 = typical)Trend
2003656,5520—19—Not enough data
20011040,0000—18—Not enough data
20001161,0000—18—Not enough data
19992355,1000—18—Stable
19983256,9501—18Not compared (before 2008)Stable
19973061,0001——Not compared (before 2008)Stable

All Jaguar XK8 model years

Frequently asked questions

How many NHTSA complaints does the 1999 Jaguar XK8 have?

NHTSA recorded 23 consumer complaints for the 1999 Jaguar XK8 as of Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

What part of the 1999 Jaguar XK8 is reported most often?

Engine cooling is named most often, in 5 complaints (22% of the total), followed by transmission and drivetrain with 5.

Has the 1999 Jaguar XK8 been recalled?

NHTSA lists no recall campaigns for this model year in the data used here. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.

What gas mileage does the 1999 Jaguar XK8 get?

The EPA rates the 1999 Jaguar XK8 (XK8, 4.0L 8-cyl) at 18 mpg combined, 15 city and 23 highway, with an estimated annual fuel cost of $4,550 at 15,000 miles a year. Other engine and drive versions are rated differently.

At what mileage are problems with the 1999 Jaguar XK8 reported?

Among the 21 complaints that include a mileage, the median is 55,100 miles and the middle half falls between 49,000 and 65,000 miles; 29% were filed for vehicles with under 50,000 miles.

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate. Fuel economy is from the EPA and DOE (fueleconomy.gov).

Complaint counts come from NHTSA’s public complaint database; we count each complaint once. The source records for this vehicle are on nhtsa.gov. Scores and trends are our own summaries of that data, described in the methodology. This page is not legal, safety or repair advice: for a specific vehicle, check its VIN at nhtsa.gov/recalls and ask a qualified mechanic. See an error? Tell us.