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#BS-2021-GRAMOM-3510

2021 Grand Design Momentum

Based on reports from 90 owners and 4 recalls for this exact model.

Complaints
90
Crashes
1
Fires
0
Recalls
4
TSBs
2
✅

Preliminary Verdict

Green Light

Based on 90 complaints, 1 crashes, 0 fires, and 4 recalls.

See full verdict with buy/skip conditions

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Mechanic Inspection Checklist

!Check the Structure:bodyHIGH

22 owners reported structure:body issues — failures commonly reported around 8K miles.

!Inspect the SuspensionMED
Look for symptoms of wear and premature failure
+ 6 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: Structure:body (22 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

Other25 (28%)
Structure:body22 (24%)
Suspension16 (18%)
Structure10 (11%)
Latches/locks/linkages:doors:latch7 (8%)
Structure:frame And Members4 (4%)
Brakes2 (2%)
Lights1 (1%)

2021 Grand Design Momentum: Known Issues & Problem Areas

Structure:body Issues

Structure:body complaints account for 24% of all reports filed for the 2021 Grand Design Momentum, with 22 owners filing complaints with NHTSA. The median mileage at time of complaint is 8,000 miles, suggesting issues tend to surface around the 8K-mile mark.

Suspension Issues

Suspension complaints account for 18% of all reports filed for the 2021 Grand Design Momentum, with 16 owners filing complaints with NHTSA. Owners should pay attention to suspension-related symptoms during test drives and pre-purchase inspections.

Structure Issues

Structure complaints account for 11% of all reports filed for the 2021 Grand Design Momentum, with 10 owners filing complaints with NHTSA. Owners should pay attention to structure-related symptoms during test drives and pre-purchase inspections.

Latches/locks/linkages:doors:latch Issues

Latches/locks/linkages:doors:latch complaints account for 8% of all reports filed for the 2021 Grand Design Momentum, with 7 owners filing complaints with NHTSA. Owners should pay attention to latches/locks/linkages:doors:latch-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.

Complaint trend by year

4
22
3
23
44
24
39
25

Complaints filed with NHTSA by year for the 2021 Grand Design Momentum. Recent trend: stable.

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

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Recall History (4 recalls)

21V393000Jun 2021

EQUIPMENT:RECREATIONAL VEHICLE/TRAILER:LPG SYSTEMS

Grand Design RV, LLC (Grand Design) is recalling certain 2016-2021 Imagine, Transcend, and Momentum travel trailers. The LP regulator that controls the LP gas pressure may fail, allowing excessive gas pressure that causes the appliance flame to increase.

22V038000Feb 2022

EQUIPMENT:APPLIANCE:REFRIGERATOR

Grand Design RV, LLC (Grand Design) is recalling certain 2013-2021 Momentum, Solitude, and Reflection recreational vehicles. A 110-volt wire in the refrigerator cabinet may be improperly secured, which could result in the wire contacting the refrigerator cooling unit, causing an electrical arc.

23V490000Aug 2023

SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY:U-BOLT, LEAF SPRING TO AXLE

Grand Design RV, LLC. (Grand Design) is recalling certain 2021-2024 Momentum and Solitude fifth wheels, equipped with certain CURT 7000 and 8000 lb axles. The U-bolts may have been improperly tightened, which can cause the axle to move out of position.

26V044000

SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY:U-BOLT, LEAF SPRING TO AXLE

Grand Design RV, LLC (Grand Design) is recalling certain 2021-2024 Momentum and 2022-2024 Solitude Fifth Wheel trailers. The U-bolt may become loose due to inadequate preload and preload losses, causing the axle to move out of position.

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. 90 records for this vehicle.

NHTSA Recalls

Manufacturer-issued safety recalls. 4 recalls found for this vehicle.

Repair Cost Data

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

Other Grand Design Momentum Model Years

2025202420232022202120202019201820172016201520142013
View all Grand Design Momentum years →

2021 Grand Design Momentum: Frequently Asked Questions

What is the most common problem with the 2021 Grand Design Momentum?
The most commonly reported issue with the 2021 Grand Design Momentum is related to the structure:body, with 22 complaints filed with NHTSA.
Is the 2021 Grand Design Momentum reliable?
The 2021 Grand Design Momentum has 90 complaints, 1 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 Grand Design Momentum 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 Grand Design Momentum have any recalls?
Yes, the 2021 Grand Design Momentum has 4 recalls on record. The full report includes recall severity analysis and scripts for asking the seller about recall completion.
What mileage do Grand Design Momentum problems start?
Based on 7 complaints with mileage data, the median mileage at time of complaint is 8,000 miles. The highest concentration of reported issues occurs in the 0–30K mile range. The full report breaks down exactly which components fail at each mileage bracket.
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.
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