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2018 Bentley Mulsanne Report

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

Updated May 30, 2026·Daniel Wilson

Overall Score

5.9/ 10
Our Verdict
High risk

Key Takeaways

  • The primary structural concern is the rear seat belt anchor's potential to detach in a crash. Ensure this recall repair is verified.
  • A high Technical Service Bulletin (TSB) count indicates a complex vehicle with various potential, though likely less severe, issues.
  • Fuel economy is low, with a combined 14 MPG, leading to high fuel costs.
  • The vehicle has not been rated by NHTSA for crash safety.
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OverviewWho This Car Is ForReliability & ProblemsVehicle SpecsUnlock Full ReportFAQ
Overview

2018 Bentley Mulsanne

The 2018 Bentley Mulsanne offers a blend of luxury and performance, but as a used proposition, it demands careful consideration. Its 6.8-liter V8 engine provides ample power, though fuel economy is predictably low. While owner complaints are absent in the data, two recalls and a high TSB count suggest potential for issues. The most significant safety concern involves the rear seat belt anchors.

Critical Failure Risk

A structural defect in the rear seat belt anchors could lead to detachment in a crash. This is a critical safety concern addressed by a recall.

Early detection can reduce the odds of major repair bills.

Open Maintenance Analysis →

Safety & Bulletins

Open Recalls2
Service Bulletins0
Full Recall History →

Owner Complaints

0

No primary complaint themes found.

Detailed Issue Breakdown →

Performance & Efficiency

Fuel Efficiency
Combined
14
MPG
City
11
MPG
Highway
18
MPG
Full Vehicle Specifications ↓

Reliability

8.7/ 10

Practicality

2.9/ 10

The score is mainly limited by high fuel consumption.

Buyer Fit

Who This Car Is For

Best for

Discerning buyers prioritizing ultimate luxury and V8 power over absolute reliability.

+2 more buyer-fit notes in the full report

Avoid if

Budget-conscious shoppers seeking low running costs and minimal repair risk.

+2 more buyer-fit warnings in the full report

2018 Bentley Mulsanne Reliability Analysis

Explore comprehensive reliability data including official safety recalls, consumer complaints, and common mechanical failures for the 2018 Bentley Mulsanne.

  • Recall TimelineOfficial safety notices
  • Owner ComplaintsReal driver reports
  • Failure AnalysisKnown part defects
Specs

Vehicle Specs

Fuel Type
Premium
Transmission
Automatic
Drivetrain
RWD/Rear-Wheel Drive
Body Style
Sedan
EPA Combined MPG
14

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See the full 2018 Bentley Mulsanne buyer report before you decide

Unlock the complete checklist, maintenance outlook, and buyer verdict in one place.

Most Common Issues

1. Rear Seat Belt Anchor Structural Defect

Most reported

Usage data observed

2. Rearview Camera Software Malfunction

Usage data observed

See all common issues in the maintenance guide

First Service Interval

- Synthetic Oil and Filter Change (Parts: 5W-30 Synthetic Oil, Oil Filter) - Tire Rotation and Inspection - Brake System Inspection - Fluid Level Checks (Coolant, Brake, Power Steering)

Est. shop cost: $300 - $500

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
2 recall campaign details & remedy notes
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FAQ

FAQ

Is the 2018 Bentley Mulsanne reliable?▾

The CarFocal Reliability Score for the 2018 Bentley Mulsanne is 8.7/10. Reliability score is 8.7/10. NHTSA recalls: 2. Owner complaints: 0.

How practical is the 2018 Bentley Mulsanne for daily use?▾

Practicality score is 2.9/10. The score is mainly limited by high fuel consumption. EPA combined economy is 14 MPG. 4 passenger doors are listed.

What is the overall score for the 2018 Bentley Mulsanne?▾

The CarFocal Overall Score for the 2018 Bentley Mulsanne is 5.9/10. Overall score is 5.9/10 (Mixed). Confidence 55%. Maintenance 6.8/10. Practicality 2.9/10.

What does it cost to own and maintain a 2018 Bentley Mulsanne?▾

Based on Carfocal's data, First listed service: - Synthetic Oil and Filter Change (Parts: 5W-30 Synthetic Oil, Oil Filter) - Tire Rotation and Inspection - Brake System Inspection - Fluid Level Checks (Coolant, Brake, Power Steering) at 10,000 miles. Estimated first-year maintenance: $1,000 - $2,000. Repair prediction highlight: Rear Seat Belt Anchor (estimated cost Min: $0 (Recall)).

What engine is in the 2018 Bentley Mulsanne?▾

Engine specs list 8 • 6.8.

What transmission does the 2018 Bentley Mulsanne use?▾

According to CarFocal's specs for the 2018 Bentley Mulsanne, transmission is Automatic. The paired drivetrain is RWD/Rear-Wheel Drive.

Does the 2018 Mulsanne require Premium gas?▾

Manufacturer fuel recommendation: Premium.

What is the combined EPA MPG for the 2018 Bentley Mulsanne?▾

EPA combined estimate is 14 MPG.

What driver assistance and safety features are available on the 2018 Bentley Mulsanne?▾

11 standard and 1 optional driver assistance features. Key features include Anti-lock Braking System, Electronic Stability Control, Traction Control.

What body style is the 2018 Bentley Mulsanne?▾

According to CarFocal's specs for the 2018 Bentley Mulsanne, body style is sedan.

What drivetrain does the 2018 Bentley Mulsanne use?▾

According to CarFocal's specs for the 2018 Bentley Mulsanne, drivetrain is RWD/Rear-Wheel Drive. Transmission is Automatic.

Are there open safety recalls on the 2018 Bentley Mulsanne?▾

This model year has 2 official safety campaigns listed.

Should buyers consider alternatives to the 2018 Bentley Mulsanne?▾

Alternatives listed in this guide: 2018 Rolls-Royce Phantom and 2018 Rolls-Royce Ghost.

Start Here

Maintenance guide

Costs + intervals

Recall report

Campaigns + remedy notes

Owner complaints

Issue volume + categories

In this guide

  1. 01Overview
  2. 02Who This Car Is For
  3. 03Reliability & Problems
  4. 04Vehicle Specs
  5. 05Unlock Full Report
  6. 06FAQ

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