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Jaguar Xjs Service Costs & Schedule

What a Jaguar Xjs actually costs to service, what needs doing at each interval, and where you can save. If you're buying one, we also cover how to check whether the previous owner actually kept up with the schedule.

XJS-Early (1975–1991)3.6 AJ6, 5.3 V12
XJS-Late (1992–1996)4.0 AJ6, 5.3 V12, 6.0 V12

Jaguar Xjs service: key facts

Routine service items

These are the items covered in a standard service. Most garages include oil, oil filter and a basic inspection. The rest are typically checked or replaced on a schedule.

Service itemIntervalTypical cost
Engine oil and filter
Manufacturer recommended 6,000 miles or 6 months.
XJS-Early, XJS-Late
 6,000 miles or 6 months
£80–£120
Dealer: £150–£200
Air filter
Manufacturer interval 12,000 miles annually. Clean housing when replacing. Blocked filter reduces performance and increases fuel consumption. Replace at same time as spark plugs for efficiency.
XJS-Early, XJS-Late
 12,000 miles or 1 year
£25–£40
Dealer: £45–£70

Has this Jaguar Xjs been serviced on schedule?

Check the dealer service records to see if the work above was actually done.

★GB

£6.99 · Full refund if no records found

Periodic maintenance

Items that don't need doing at every service but should be on your radar at the right mileage or age.

Service itemIntervalTypical cost
Coolant flush
Manufacturer interval 36,000 miles or 3 years.
XJS-Early, XJS-Late
 36,000 miles or 3 years
£120–£180
Dealer: £200–£280
Spark plugs
Manufacturer interval 12,000 miles annually.
XJS-Early, XJS-Late
 12,000 miles or 1 year
£60–£120
Dealer: £120–£200
Brake fluid
Manufacturer interval 2 years regardless of mileage.
XJS-Early, XJS-Late
 2 years
£60–£90
Dealer: £90–£140
Power steering fluid
Specialist recommendation every 24,000 miles or 2 years.
XJS-Early, XJS-Late
 24,000 miles or 2 years
£80–£120
Dealer: £130–£180

Known issues to watch for

The most common problems reported on the Jaguar Xjs, ranked by severity.

dangerous
Structural corrosion around suspension mounting points
MOT data shows the XJS fails at 12.1x the fleet average for load-bearing structure corrosion within 30cm of suspension mounting points.
major
Power steering system failure
MOT data shows the XJS fails at 207.3x the fleet average for power steering fluid leaking or system malfunction, the highest failure rate in the entire dataset.
major
V12 Cylinder Heads
The V12 engine uses aluminium cylinder heads that are prone to cracking due to thermal stress from the engine's operating temperature and inadequate cooling system maintenance.
major
Wheel bearing failure
MOT data shows the XJS fails at 71.4x the fleet average for wheel bearings with excessive play.

4 more known issues tracked. Check a specific Jaguar Xjs's service records — a missed service on one of these issues could mean an expensive surprise.

Buying a used Jaguar Xjs? Check its service history first.

A Xjs with a patchy service history can cost you thousands in missed timing belts, skipped oil changes, and hidden neglect. We pull the franchised dealer records — every visit, every stamp, every mileage reading — so you can see exactly what's been done and what's been skipped.

£6.99 · No records found = full refund, zero risk

Related

Jaguar Xjs service FAQs

How often does a Jaguar Xjs need servicing?

A Jaguar Xjs needs servicing every 6,000 miles or 6 months, whichever comes first. Manufacturer recommended 6,000 miles or 6 months.

What does a Jaguar Xjs service cost?

A basic service at an independent garage costs £80–£120. Main dealer servicing runs £150–£200. Major items like timing belts or gearbox services cost significantly more. Independent garages are typically 30 to 50% cheaper for the same work.

Is a Jaguar Xjs expensive to maintain?

Routine servicing starts from £80 at an independent garage, which is about average for this class of car. The bigger costs come from periodic items like timing belts, brake fluid changes, and transmission servicing. Keeping on top of the schedule avoids expensive failures.

How do I check a Jaguar Xjs's service history?

You can check any Jaguar Xjs's official dealer service records online using just the registration number. The check retrieves every logged dealer visit, including dates, mileage, and work done, so you can see whether the schedule has been followed or if there are gaps. It costs £6.99 and you get a full refund if no records are found.