2027 East to West Blackthorn 3880RBDB vs Forest River Sandpiper 4003MB
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Key differences
Both are 2027 Fifth wheel models. Here's how they differ, from manufacturer specifications.
- The Forest River Sandpiper 4003MB is 8″ longer: 42′ 9″ vs 42′ 1″.
- The East to West Blackthorn 3880RBDB is 50 lb lighter unloaded: 13,019 vs 13,069 lb.
- The East to West Blackthorn 3880RBDB has a 3,075 lb higher GVWR: 16,220 vs 13,145 lb.
- The East to West Blackthorn 3880RBDB lists 125 lb more cargo capacity: 3,201 vs 3,076 lb.
- The Forest River Sandpiper 4003MB has a 75 lb lighter hitch weight: 2,145 vs 2,220 lb.
- Both have 4 slide-outs.
- The Forest River Sandpiper 4003MB holds 6 gal more fresh water: 70 vs 64 gal.
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YOUR SHORTLIST
Floorplan
PRICING
Manufacturer price (USD)
Not verified
Not verified
Lowest tracked dealer price (USD)
No recently verified dealer price
No recently verified dealer price
Est. monthly payment (USD)
No verified price to estimate from
No verified price to estimate from
DIMENSIONS & WEIGHTS
Exterior length
42′ 1″
42′ 9″
Exterior width
8′ 0″
8′ 5″
Exterior height
13′ 4″
13′ 5″
Shipping / unloaded weight
13,019 lb
13,069 lb
GVWR
16,220 lb
13,145 lb
Listed cargo capacity
3,201 lb
3,076 lb
Listed hitch weight
2,220 lb
2,145 lb
LIVING & SLEEPING
Sleeping capacity
—
—
Slide-outs
4
4
Main bed
Not verified
Not verified
Bunk beds
Not verified
✓ Yes
Dinette
Not verified
Not verified
Bathroom
Not verified
Not verified
Refrigerator
Not verified
Not verified
TANKS & EVERYDAY FEATURES
Fresh water
64 gal
70 gal
Gray water
132 gal
156 gal
Black water
88 gal
52 gal
Awning length
10′ 6″ & 15′ 0″
20′ 0″
Shore power / electrical service
50 amp listed; standard/optional configuration not verified
Not verified
Solar equipment
Not verified
Not verified
Outdoor kitchen
Not verified
✓ Yes
Washer/dryer prep
Not verified
Not verified
Microwave
Not verified
Not verified
Cooktop
Not verified
Not verified
Air conditioning
Not verified
Not verified
Electric fireplace
Not verified
Not verified
Backup camera
Not verified
Not verified
Propane tanks
—
—
Tire size
Not verified
Not verified
SOURCES & VERIFICATION
Weight basis
Manufacturer unloaded vehicle weight
Manufacturer unloaded vehicle weight
Source checked
2026-10-22 Manufacturer ↗
2026-10-22 Manufacturer ↗
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Manufacturer floorplan images © their respective manufacturers. Specs checked October 19, 2026; exact-unit labels and production options may differ. “Not verified” or a dash means we have no confirmed value. “Not listed” means the applicable manufacturer equipment was checked but does not mention the feature; it does not mean “No.” “Conflicting data” means manufacturer entries disagree. “Optional” equipment is available but is not confirmed as standard. Camera prep does not confirm an installed camera. Weights are kept separate: unloaded weight, GVWR, cargo capacity, and hitch weight. Confirm every specification for the exact model year and configuration with the manufacturer. This tool does not establish towing compatibility.
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