What are the most common problems with the 2018 Jaguar XJ?

Engine coolant system issues are a recurring concern, potentially leading to significant repair bills.

How many recalls does the 2018 Jaguar XJ have?

The 2018 Jaguar XJ currently has 0 recalls on file. Review the full recall report to see affected components and available remedies.

Is the 2018 Jaguar XJ a good buy used?

Verdict: Proceed with caution. Engine coolant system issues are a recurring concern, potentially leading to significant repair bills. The 5.0L V8 engine requires premium fuel, contributing to higher running costs. With 0 recalls, there are no outstanding manufacturer safety campaigns, but this doesn't negate other reliability concerns. NHTSA has not provided specific safety ratings for this model, so buyers should rely on independent inspections. The high TSB count suggests a history of various minor to moderate issues impacting overall ownership experience. Always verify service history, open recalls, and maintenance records before purchasing.

What maintenance costs should I expect for the 2018 Jaguar XJ?

Refer to the maintenance cost guide for interval schedules, DIY difficulty ratings, and typical repair cost ranges for the 2018 Jaguar XJ.

2018 Jaguar XJ Report

Known issues, recalls, running costs, and what to check before you buy.

Updated May 30, 2026Ryan Davis

Overall Score

Our Verdict

Proceed with caution

Key Takeaways

Engine coolant system issues are a recurring concern, potentially leading to significant repair bills.
The 5.0L V8 engine requires premium fuel, contributing to higher running costs.
With 0 recalls, there are no outstanding manufacturer safety campaigns, but this doesn't negate other reliability concerns.
NHTSA has not provided specific safety ratings for this model, so buyers should rely on independent inspections.

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Overview

2018 Jaguar XJ

The 2018 Jaguar XJ offers a blend of potent performance and luxury, powered by a 5.0-liter V8 engine paired with an 8-speed automatic transmission and rear-wheel drive. While it delivers a refined driving experience, its reliability record warrants careful consideration for used car shoppers. The model has a single logged complaint concerning the engine, specifically a recurring coolant system failure that proved costly to repair and has since re-emerged. This, coupled with a high TSB count, suggests potential ownership challenges and elevated maintenance costs.

Critical Failure Risk

A recurring issue with the engine cooling system has been reported, leading to significant repair costs. This can manifest as leaks or component failures within the system.

Early detection can help you avoid a $1,500-$4,000 repair.

Open Maintenance Analysis →

Safety & Bulletins

Open Recalls0

Service Bulletins0

Full Recall History →

Owner Complaints

Engine1

Detailed Issue Breakdown →

Performance & Efficiency

Fuel Efficiency

Combined

MPG

City

MPG

Highway

MPG

Full Vehicle Specifications ↓

Reliability

Practicality

The score is mainly limited by high fuel consumption.

Buyer Fit

Who This Car Is For

Best for

Enthusiasts who prioritize V8 power and luxury styling and are prepared for potential maintenance costs.

+2 more buyer-fit notes in the full report

Avoid if

Budget-conscious buyers seeking low-cost, trouble-free transportation.

+2 more buyer-fit warnings in the full report

2018 Jaguar XJ Reliability Analysis

Specs

Vehicle Specs

Fuel Type: Premium
Seating Capacity: 5
Transmission: Automatic (S8)
Drivetrain: Rear-Wheel Drive
Body Style: Sedan
EPA Combined MPG: 18

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Most Common Issues

1. ENGINE

Most reported

Usage: 1 reports

See all common issues in the maintenance guide

First Service Interval

- Oil Change (5W-30 Synthetic) (Parts: 5W-30 Synthetic Oil, Oil Filter) - Tire Rotation and Inspection - Brake System Inspection - Cooling System Inspection

Est. shop cost: $150 - $250

10,000 mi

Unlock the full maintenance guide for every scheduled service interval and cost forecast.

Full pre-purchase inspection checklist

Complete maintenance schedule (3 service intervals)

Repair forecasts with mileage and cost context

Full buyer-fit guidance and who should avoid it

Full specs and trim-level context

Full safety recall details

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FAQ

Is the 2018 Jaguar XJ reliable?

The CarFocal Reliability Score for the 2018 Jaguar XJ is 8.9/10. Reliability score is 8.9/10. NHTSA recalls: 0. Owner complaints: 1.

How practical is the 2018 Jaguar XJ for daily use?

Practicality score is 5.0/10. The score is mainly limited by high fuel consumption. EPA combined economy is 18 MPG. Seating capacity is 5. 4 passenger doors are listed. Boot capacity is 478 litres.

What is the overall score for the 2018 Jaguar XJ?

The CarFocal Overall Score for the 2018 Jaguar XJ is 6.4/10. Overall score is 6.4/10 (Mixed). Confidence 55%. Maintenance 8.2/10. Practicality 5.0/10.

What does it cost to own and maintain a 2018 Jaguar XJ?

Based on Carfocal's data, First listed service: - Oil Change (5W-30 Synthetic) (Parts: 5W-30 Synthetic Oil, Oil Filter) - Tire Rotation and Inspection - Brake System Inspection - Cooling System Inspection at 10,000 miles. Estimated first-year maintenance: $500 - $1,000. Repair prediction highlight: Engine Cooling System (typical at 75,000 miles, estimated cost Min: $1,500 • Max: $4,000+).

What is the MSRP range for the 2018 Jaguar XJ?

Base MSRP is $75,400.

What engine is in the 2018 Jaguar XJ?

Engine specs list 8 • 5.0.

What transmission does the 2018 Jaguar XJ use?

According to CarFocal's specs for the 2018 Jaguar XJ, transmission is Automatic (S8). The paired drivetrain is Rear-Wheel Drive.

Does the 2018 XJ require Premium gas?

Manufacturer fuel recommendation: Premium.

What is the combined EPA MPG for the 2018 Jaguar XJ?

EPA combined estimate is 18 MPG.

What driver assistance and safety features are available on the 2018 Jaguar XJ?

9 standard and 4 optional driver assistance features. Key features include Anti-lock Braking System, Electronic Stability Control, Traction Control.

How many people fit in a 2018 Jaguar XJ?

According to CarFocal's specs for the 2018 Jaguar XJ, seating capacity is 5.

What body style is the 2018 Jaguar XJ?

According to CarFocal's specs for the 2018 Jaguar XJ, body style is sedan.

What drivetrain does the 2018 Jaguar XJ use?

According to CarFocal's specs for the 2018 Jaguar XJ, drivetrain is Rear-Wheel Drive. Transmission is Automatic (S8).

What are the most common engine problems on the 2018 Jaguar XJ?

Top complaint category: engine (1 reports, 100% of complaints).

Should buyers consider alternatives to the 2018 Jaguar XJ?

Alternatives listed in this guide: 2018 Mercedes-Benz S-Class and 2018 Audi A8.