New 2026 Grand Design Momentum M Class 399M Stock #2616670 | Camping World (Surprise, AZ)

2026 Grand Design Momentum M Class 399M Srp Surprise, AZ
2026 Grand Design Momentum M Class 399M Living Area-main-1 Surprise, AZ
2026 Grand Design Momentum M Class 399M Living Area-main-2 Surprise, AZ
2026 Grand Design Momentum M Class 399M Front Surprise, AZ
2026 Grand Design Momentum M Class 399M Campside Surprise, AZ
2026 Grand Design Momentum M Class 399M Off Campside Surprise, AZ
2026 Grand Design Momentum M Class 399M Backside Surprise, AZ
2026 Grand Design Momentum M Class 399M Fridge Surprise, AZ
2026 Grand Design Momentum M Class 399M Fridge Open Surprise, AZ
2026 Grand Design Momentum M Class 399M Stove Oven Surprise, AZ
2026 Grand Design Momentum M Class 399M Stove Oven-open Surprise, AZ
2026 Grand Design Momentum M Class 399M Cabinet 1 Surprise, AZ
2026 Grand Design Momentum M Class 399M Cabinet 2 Surprise, AZ
2026 Grand Design Momentum M Class 399M Entertainment Center Surprise, AZ
2026 Grand Design Momentum M Class 399M Bedroom 1 Surprise, AZ
2026 Grand Design Momentum M Class 399M Bedroom 2 Surprise, AZ
2026 Grand Design Momentum M Class 399M Bathroom 1 Surprise, AZ
2026 Grand Design Momentum M Class 399M Bathroom 2 Surprise, AZ
2026 Grand Design Momentum M Class 399M Bunk Room Surprise, AZ
2026 Grand Design Momentum M Class 399M Fireplace Surprise, AZ
2026 Grand Design Momentum M Class 399M Water Heater Surprise, AZ
2026 Grand Design Momentum M Class 399M Control Center Surprise, AZ
2026 Grand Design Momentum M Class 399M Outside Tv Surprise, AZ
2026 Grand Design Momentum M Class 399M Outside Kitchen Surprise, AZ
2026 Grand Design Momentum M Class 399M Solar Surprise, AZ
2026 Grand Design Momentum M Class 399M Inverter Surprise, AZ
2026 Grand Design Momentum M Class 399M Rear Camera-prep Surprise, AZ
2026 Grand Design Momentum M Class 399M Leveling System Surprise, AZ
2026 Grand Design Momentum M Class 399M Pass Through-storage Surprise, AZ
2026 Grand Design Momentum M Class 399M Water Center-convenience-station Surprise, AZ
2026 Grand Design Momentum M Class 399M Tires Surprise, AZ
2026 Grand Design Momentum M Class 399M Awning 1 Surprise, AZ
2026 Grand Design Momentum M Class 399M Awning 2 Surprise, AZ
2026 Grand Design Momentum M Class 399M Rear Hitch-rack Surprise, AZ
2026 Grand Design Momentum M Class 399M Outside Shower Surprise, AZ
2026 Grand Design Momentum M Class 399M Steps Surprise, AZ
2026 Grand Design Momentum M Class 399M Outside Speakers Surprise, AZ
2026 Grand Design Momentum M Class 399M Prepane X-2 Surprise, AZ
2026 Grand Design Momentum M Class 399M Hidden Compartment-behined-tv Surprise, AZ
2026 Grand Design Momentum M Class 399M Rear Patio Surprise, AZ
2026 Grand Design Momentum M Class 399M Bunk Tv Surprise, AZ
2026 Grand Design Momentum M Class 399M Doggie Bowl Surprise, AZ
2026 Grand Design Momentum M Class 399M Upper Bunk Surprise, AZ
2026 Grand Design Momentum M Class 399M Inside Audio Surprise, AZ
2026 Grand Design Momentum M Class 399M Side Padio Surprise, AZ
2026 Grand Design Momentum M Class 399M Sofa Surprise, AZ
2026 Grand Design Momentum M Class 399M Desk Surprise, AZ
2026 Grand Design Momentum M Class 399M Bedroom Fireplace Surprise, AZ
48 Photos
Great Deal
$29,638 below MSRP
48
2026 Grand Design Momentum M Class 399M Living Area-main-1 Surprise, AZ
2026 Grand Design Momentum M Class 399M Living Area-main-2 Surprise, AZ
Est. Payment
$1,213/mo
Est.
$1,213/mo
Built-In-America Price
$164,495
Great Deal
$29,638 below MSRP
In Stock at Camping World (Surprise, AZ)
Closed until Thursday 9 am
(888) 928-7132See Store Details
Have a Trade-In?
Get The Best Offer Guaranteed.*Value My Trade

Overview

Length icon
Length
45 ft
Dry Weight icon
Dry Weight
19,170 lb
GVWR icon
GVWR
23,500 lb
Sleeps icon
Sleeps
5
Slide Outs icon
Slide Outs
3
Fresh Water icon
Fresh Water
140 gal
Grey Water icon
Grey Water
104 gal
Black Water icon
Black Water
52 gal

Estimated Monthly Payment

$1,213

APR 8.49% with $24,674 Down for 240 Months

Subtotal

$164,495

Down Payment

-$24,674

APR

8.49%

Amount Financed
$139,821
*Estimated payments are for informational purposes only, and do not represent a financing offer guarantee and do not include taxes and fees.

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  • 1 Year Good Sam Elite Membership

  • 1 Year Good Sam Roadside Assistance

  • 1 Year Good Sam TravelAssist

  • 1 Year Subscription to Wildsam Publication

  • 1 Month of RV Storage

  • PLUS so much more

Camping World
(Surprise, AZ)
12630 North Autoshow Avenue
Surprise, AZ 85388
Store DetailsGet Directions
(888) 928-7132

Today's Hours

9 am - 6 pm

RV Sales

Closed until Thursday 9 am

Service

Closed until Thursday 9 am

Accessory Store

Closed until Thursday 9 am

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