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#BS-2021-THOACE-34D9

2021 Thor Motor Coach Ace

Based on reports from 6 owners and 1 recall for this exact model.

Complaints

Crashes

Fires

Recalls

TSBs

✅

Preliminary Verdict

Green Light

Based on 6 complaints, 0 crashes, 0 fires, and 1 recalls.

See full verdict with buy/skip conditions

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Mechanic Inspection Checklist

!Check the ElectricalHIGH

2 owners reported electrical issues.

!Inspect the SuspensionMED

Look for symptoms of wear and premature failure

+ 3 more items in full checklistUnlock

30,000-Mile Cost Projection

Best Case

$X,XXX

Most Likely

$X,XXX

Worst Case

$X,XXX

Top cost driver: Electrical (2 reports).

Includes fuel costs, common repairs, and recall riskUnlock

Also in your report

Owner Intelligence

AI-synthesized themes from real complaints

Buyer Lot Checklist

Questions, test drive checks, walk-away triggers

Negotiation Talking Points

Data-backed dollar deductions

Buy / Skip Verdict

Final recommendation with conditions

10 sections total in the full reportUnlock all

Where the complaints fall

Electrical2 (33%)

Suspension1 (17%)

Drivetrain1 (17%)

Engine1 (17%)

Speed Control1 (17%)

2021 Thor Motor Coach Ace: Known Issues & Problem Areas

Electrical Issues

Electrical complaints account for 33% of all reports filed for the 2021 Thor Motor Coach Ace, with 2 owners filing complaints with NHTSA.

Suspension Issues

Suspension complaints account for 17% of all reports filed for the 2021 Thor Motor Coach Ace, with 1 owners filing complaints with NHTSA. Owners should pay attention to suspension-related symptoms during test drives and pre-purchase inspections.

Drivetrain Issues

Drivetrain complaints account for 17% of all reports filed for the 2021 Thor Motor Coach Ace, with 1 owners filing complaints with NHTSA. Owners should pay attention to drivetrain-related symptoms during test drives and pre-purchase inspections.

Engine Issues

Engine complaints account for 17% of all reports filed for the 2021 Thor Motor Coach Ace, with 1 owners filing complaints with NHTSA. Owners should pay attention to engine-related symptoms during test drives and pre-purchase inspections.

Data sourced from NHTSA owner complaints and community reports. The full report analyzes severity, repair costs, and failure patterns for each category.

Don't negotiate blind — know what this car costs to own

Repair costs • Negotiation scripts • Mechanic checklist • Buy/skip verdict

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Recall History (1 recall)

20V339000Jul 2020

VISIBILITY:GLASS, SIDE/REAR

Thor Motor Coach (TMC) is recalling certain 2020-2021 ACE, 2021 Four Winds and 2020 Gemini, Axis, Compass, Delano, Windsport, Hurricane, Outlaw, and Vegas motorhomes. The adhesive bond between the glass and the metal hinge frame of the frameless windows may fail which would then allow the glass to detach and fall out.

Recall severity analysis & seller scripts

The full report rates each recall's severity and gives you scripts for asking the seller about recall completion.

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About this data

NHTSA Complaints

Federal database of owner-filed safety complaints. 6 records for this vehicle.

NHTSA Recalls

Manufacturer-issued safety recalls. 1 recall found for this vehicle.

Repair Cost Data

Real-world repair costs from owner reports and independent databases.

Other Thor Motor Coach Ace Model Years

2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011

View all Thor Motor Coach Ace years →

2021 Thor Motor Coach Ace: Frequently Asked Questions

What is the most common problem with the 2021 Thor Motor Coach Ace?

The most commonly reported issue with the 2021 Thor Motor Coach Ace is related to the electrical, with 2 complaints filed with NHTSA.

Is the 2021 Thor Motor Coach Ace reliable?

The 2021 Thor Motor Coach Ace has 6 complaints, 0 crash reports, and 0 fire reports filed with NHTSA. The full report analyzes whether these numbers indicate real risk or are proportional to the vehicle’s popularity.

How much does it cost to fix 2021 Thor Motor Coach Ace problems?

Repair costs vary by issue. The full BumperScan report includes detailed repair cost estimates (low/median/high) for every major issue, plus a 30,000-mile total cost of ownership projection.

Does the 2021 Thor Motor Coach Ace have any recalls?

Yes, the 2021 Thor Motor Coach Ace has 1 recall on record. The full report includes recall severity analysis and scripts for asking the seller about recall completion.

What mileage do Thor Motor Coach Ace problems start?

Mileage data is limited for this vehicle. The full report analyzes available data to identify failure patterns by mileage range.

What’s in the full report?

10 sections of AI analysis: severity-ranked issues, component scores (0-100), 30K-mile cost projection, failure timeline by mileage, recall details with seller scripts, owner sentiment analysis, mechanic checklist, buyer lot checklist, negotiation ammo with dollar figures, and a buy/skip verdict.

How is this different from free NHTSA data?

NHTSA gives you raw complaint text. BumperScan cross-references 2.1M+ complaints with community repair cost data, EPA fuel data, and recall records — then uses AI to synthesize it into actionable advice with dollar figures.

How is this different from Carfax?

Carfax is VIN-specific history ($45/report). BumperScan is model-level reliability intelligence — what problems this car is known for, what they cost, and whether you should buy it. Complementary, not competing.

What if the report isn’t useful?

100% money-back guarantee. If the report doesn’t help you make a more informed decision, we’ll refund you — no questions asked.

Get the Full 2021 Thor Motor Coach Ace Report

10 sections of AI analysis based on 6 owner reports. Know before you buy.

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