What are the most common problems with the 2018 Toyota Sienna?

**Fuel Pump Failures:** Multiple recalls and a high number of complaints point to significant issues with the fuel pump, which can lead to engine stalling and potential safety risks.

How many recalls does the 2018 Toyota Sienna have?

The 2018 Toyota Sienna currently has 10 recalls on file. Review the full recall report to see affected components and available remedies.

Is the 2018 Toyota Sienna a good buy used?

Verdict: Proceed with caution. **Fuel Pump Failures:** Multiple recalls and a high number of complaints point to significant issues with the fuel pump, which can lead to engine stalling and potential safety risks. **Powertrain Concerns:** Owners report issues with acceleration, transmission hesitation, and 'hunting' for gears, suggesting potential problems with the engine control module or the transmission itself. **Safety Ratings:** The Sienna boasts a strong overall NHTSA safety rating of 5 stars, with 5 stars for side crash, but received 4 stars for frontal and rollover crash tests. **All-Wheel Drive Availability:** A key advantage for the Sienna is its available all-wheel-drive system, a rarity in the minivan segment, offering enhanced traction in various conditions. **Interior Space and Versatility:** As expected from a minivan, the Sienna offers generous passenger and cargo space, making it a practical choice for families. Always verify service history, open recalls, and maintenance records before purchasing.

What maintenance costs should I expect for the 2018 Toyota Sienna?

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

2018 Toyota Sienna Report

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

Updated May 30, 2026Ryan Davis8 Critical Recalls

Overall Score

Our Verdict

Proceed with caution

Key Takeaways

Fuel Pump Failures: Multiple recalls and a high number of complaints point to significant issues with the fuel pump, which can lead to engine stalling and potential safety risks.
Powertrain Concerns: Owners report issues with acceleration, transmission hesitation, and 'hunting' for gears, suggesting potential problems with the engine control module or the transmission itself.
Safety Ratings: The Sienna boasts a strong overall NHTSA safety rating of 5 stars, with 5 stars for side crash, but received 4 stars for frontal and rollover crash tests.
All-Wheel Drive Availability: A key advantage for the Sienna is its available all-wheel-drive system, a rarity in the minivan segment, offering enhanced traction in various conditions.

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Overview

2018 Toyota Sienna

The 2018 Toyota Sienna offers ample space and available all-wheel drive, making it a versatile choice for families. However, its 'Below Average' reliability rating, stemming from numerous recalls and owner complaints, particularly concerning the fuel system and powertrain, requires buyers to proceed with caution. With 10 recalls and 80 complaints, potential owners should prioritize a thorough pre-purchase inspection, focusing on its known weak points.

Critical Failure Risk

Multiple recalls and numerous owner complaints indicate a significant issue with the fuel pump's reliability, potentially leading to engine stalling. This can cause unexpected engine shutdown, posing a safety risk.

Early detection can help you avoid a $300-$1,000 repair.

Open Maintenance Analysis →

Safety & Bulletins

Open Recalls10

Service Bulletins0

Full Recall History →

Owner Complaints

Power Train12

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

Families prioritizing space, practicality, and the option of all-wheel drive for adverse weather conditions.

+1 more buyer-fit notes in the full report

Avoid if

Buyers seeking a trouble-free ownership experience with minimal risk of unexpected mechanical failures.

+1 more buyer-fit warnings in the full report

2018 Toyota Sienna Reliability Analysis

Specs

Vehicle Specs

Fuel Type: Regular
Seating Capacity: 7
Transmission: Automatic
Drivetrain: All-Wheel Drive
EPA Combined MPG: 20

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Most Common Issues

1. Powertrain

Most reported

Usage: 12 reports

2. Fuel System

Usage: 9 reports

See all common issues in the maintenance guide

First Service Interval

- Basic Inspection and Rotation (Parts: Engine Oil, Oil Filter)

Est. shop cost: $100 - $200

5,000 mi

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

Full pre-purchase inspection checklist

Complete maintenance schedule (6 service intervals)

Repair forecasts with mileage and cost context

Full buyer-fit guidance and who should avoid it

Full specs and trim-level context

10 recall campaign details & remedy notes

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FAQ

Is the 2018 Toyota Sienna reliable?

The CarFocal Reliability Score for the 2018 Toyota Sienna is 7.6/10. Reliability score is 7.6/10. NHTSA recalls: 10. Owner complaints: 80.

How practical is the 2018 Toyota Sienna for daily use?

Practicality score is 4.3/10. The score is mainly limited by high fuel consumption. EPA combined economy is 20 MPG. Seating capacity is 7.

What is the overall score for the 2018 Toyota Sienna?

The CarFocal Overall Score for the 2018 Toyota Sienna is 6.7/10. Overall score is 6.7/10 (Good). Confidence 85%. Maintenance 8.1/10. Tuning 2.0/10. Practicality 4.3/10.

What does it cost to own and maintain a 2018 Toyota Sienna?

Based on Carfocal's data, First listed service: - Basic Inspection and Rotation (Parts: Engine Oil, Oil Filter) at 5,000 miles. Estimated first-year maintenance: $1,000 - $1,500. Repair prediction highlight: Fuel Pump Assembly (typical at 60,000 miles, estimated cost Min: $600 • Max: $900).

What is the MSRP range for the 2018 Toyota Sienna?

Base MSRP is $37,090.

What engine is in the 2018 Toyota Sienna?

Engine specs list 6 • 3.5.

What transmission does the 2018 Toyota Sienna use?

According to CarFocal's specs for the 2018 Toyota Sienna, transmission is Automatic. The paired drivetrain is All-Wheel Drive.

What is the combined EPA MPG for the 2018 Toyota Sienna?

EPA combined estimate is 20 MPG.

What driver assistance and safety features are available on the 2018 Toyota Sienna?

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

How many people fit in a 2018 Toyota Sienna?

According to CarFocal's specs for the 2018 Toyota Sienna, seating capacity is 7.

What drivetrain does the 2018 Toyota Sienna use?

According to CarFocal's specs for the 2018 Toyota Sienna, drivetrain is All-Wheel Drive. Transmission is Automatic.

What are the NHTSA safety ratings for the 2018 Toyota Sienna?

NHTSA ratings: Overall 5/5 • Frontal 4/5 • Side 5/5 • Rollover 4/5.

Is the 2018 Toyota Sienna good for tuning?

Tuning potential is rated 2/10. The 2018 Toyota Sienna is a practical minivan focused on utility and family transport.

What are the most common power train problems on the 2018 Toyota Sienna?

Top complaint category: power train (12 reports, 15% of complaints).

Are there open safety recalls on the 2018 Toyota Sienna?

This model year has 10 official safety campaigns listed.