2018 KZ RV Spree S251rk Specs

Can Your Vehicle Tow This?

Interactive towing compatibility checker

This RV's GVWR
6,800 lbs
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Safe Towing Capacity
80%
Under capacity Safe zone Max rating

Mint Score

Overall Score
3.0
out of 5
Tow-Ready Score
3.4/ 5
Living Space & Layout
3.2/ 5
Comfort & Features
2.9/ 5
Storage Space
2.5/ 5
Off-Grid & Campsites
2.9/ 5

About the 2018 KZ RV Spree S251rk

The 2018 Spree S251RK combines comfort and convenience, making it an excellent choice for families or small groups. With a spacious layout that sleeps 6 and a well-appointed kitchen area, you'll find everything you need for a relaxing getaway. Weighing in at just 5,590 lbs dry, it’s easily towable by many SUVs or trucks. The single slide-out expands the living space, while the outdoor shower and ample pass-thru storage enhance your camping experience. This travel trailer is ideal for those seeking adventure without sacrificing comfort.

What We Love

Large Pass-Through Storage Exterior Speakers Vinyl Flooring Throughout Rear Kitchen Layout Water Heater Bypass

Consider This

Small Fresh Tank

Specifications by Category

View specs, shop products, or tap "More" for details.

Towing & Dimensions

Specs Value Buy Shop All Top 5
GVWR 6800 lbs Class 4 Receiver Shop Receivers -
Dry Weight 5590 lbs CURT WD Hitch & Sway Controller Shop Weight Distributing Hitches -
Hitch Weight 600 lbs ReeseTrailer Hitch Shop Hitches -
Payload Capacity 1210 lbs Coil SumoSprings Shop Suspension Kits -
Length 345 in Furrion Backup Camera Shop Cameras -
Width 96 in Clip On Mirrors Shop Mirrors -
Exterior Height 133 in Telescoping Ladder Shop Ladders -
Interior Height 82 in - - -
Specs
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GVWR
6800 lbs
Details
Safety Essential
Class 4 Receiver
4.5
Dry Weight
5590 lbs
Details
Recommended
CURT WD Hitch & Sway Controller
4.5
Hitch Weight
600 lbs
Details
Safety Essential
ReeseTrailer Hitch
4.5
Payload Capacity
1210 lbs
Details
Recommended
Coil SumoSprings
4.5
Length
345 in
Details
Recommended
Furrion Backup Camera
4.5
Width
96 in
Details
Recommended
Clip On Mirrors
Exterior Height
133 in
Details
Recommended
Telescoping Ladder
4.5
Interior Height
82 in

Tank Capacities

Specs Value Buy Shop All Top 5
Number Of Fresh Water Holding Tanks 1 - - -
Number Of Gray Water Holding Tanks 2 - - -
Number Of Black Water Holding Tanks 1 - - -
Fresh Water Tank Capacity 40 gal 40 Gal Tank Fresh Water Tanks -
Gray Water Tank Capacity 60 gal - - -
Black Water Tank Capacity 32 gal - Back Water Tanks -
Number Of Propane Tanks 2 - - -
Propane Tank Capacity 40 lbs - Propane Tank Capacity -
Specs
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Number Of Fresh Water Holding Tanks
1
Number Of Gray Water Holding Tanks
2
Number Of Black Water Holding Tanks
1
Fresh Water Tank Capacity
40 gal
Details
Recommended
40 Gal Tank
4.5
Gray Water Tank Capacity
60 gal
Black Water Tank Capacity
32 gal
Details
Number Of Propane Tanks
2
Propane Tank Capacity
40 lbs
Details

Tires & Wheels

Specs Value Buy Shop All Top 5
Wheels Composition Aluminum - - -
Rear Brake Type Electric Drum - - -
Spare Tire Location Exterior Mounted - - -
Front Brake Type Not Applicable - - -
Rear Tire 15 Inch Radial Full Spec - - -
Rear Wheel Diameter 15 - - -
Specs
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Wheels Composition
Aluminum
Rear Brake Type
Electric Drum
Spare Tire Location
Exterior Mounted
Front Brake Type
Not Applicable
Rear Tire
15 Inch Radial Full Spec
Rear Wheel Diameter
15

Heating & Cooling

Specs Value Buy Shop All Top 5
Air Conditioning Type Automatic Dometic 13.5K Air Conditioner Shop All RV AC -
Water Heater Tank Capacity 6 g RV Tank Water Heater RV Water Heaters -
Heater Type Automatic - - -
Water Heater Pump Power Mode Electrical / Propane - - -
Specs
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Air Conditioning Type
Automatic
Details
Recommended
Dometic 13.5K Air Conditioner
4.3
Water Heater Tank Capacity
6 g
Details
Recommended
RV Tank Water Heater
4.4
Heater Type
Automatic
Water Heater Pump Power Mode
Electrical / Propane

Living Room / Bedroom(s)

Specs Value Buy Shop All Top 5
Master Bedroom Shades / Curtains Yes - - -
Number Of Convertible / Sofa Beds 2 - - -
Master Bedroom Flooring Type Vinyl - - -
Number Of Sofas 1 Tri-Fold Sofa - -
Master Bedroom Mirror Doors Yes - - -
Number Of Bathrooms 1 - - -
Master Bedroom Door Style Full Sliding Door - - -
Number Of Queen Size Beds 1 Queen RV Mattress Shop Mattresses -
Living Area Location Center - - -
Master Bedroom Location Front - - -
Sofa Material Vinyl - - -
Full Size Master Bedroom Closet No - - -
Specs
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Master Bedroom Shades / Curtains
Yes
Number Of Convertible / Sofa Beds
2
Master Bedroom Flooring Type
Vinyl
Number Of Sofas
1
Details
Recommended
Tri-Fold Sofa
4.6
Master Bedroom Mirror Doors
Yes
Number Of Bathrooms
1
Master Bedroom Door Style
Full Sliding Door
Number Of Queen Size Beds
1
Details
Recommended
Queen RV Mattress
4.3
Living Area Location
Center
Master Bedroom Location
Front
Sofa Material
Vinyl
Full Size Master Bedroom Closet
No

Living Room / Bedroom(s) Best Sellers

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Kitchen / Dining

Specs Value Buy Shop All Top 5
Refrigerator Size Mid-Size - - -
Number Of Oven Burners 3 - - -
Kitchen / Living Area Flooring Type Carpet / Vinyl - - -
Refrigerator Power Mode Electric / Propane - - -
Kitchen Table Configuration Bench Seats - - -
Oven Depth 22 / 558.8 in - - -
Kitchen Location Rear - - -
Specs
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Refrigerator Size
Mid-Size
Number Of Oven Burners
3
Kitchen / Living Area Flooring Type
Carpet / Vinyl
Refrigerator Power Mode
Electric / Propane
Kitchen Table Configuration
Bench Seats
Oven Depth
22 / 558.8 in
Kitchen Location
Rear

Bathroom

Specs Value Buy Shop All Top 5
Bathroom Location Center - - -
Bathroom Flooring Type Vinyl - - -
Toilet Type Porcelain RV Toilet with Sprayer Attachment Toilets Top 5
Specs
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Bathroom Location
Center
Bathroom Flooring Type
Vinyl
Toilet Type
Porcelain
Details
Buying Guide Top 5 Toilet Type Products
Recommended
RV Toilet with Sprayer Attachment

Exterior

Specs Value Buy Shop All Top 5
Awning Length 18 ft/m Awning Fabric Replacement All Awnings -
Number of Awnings 1 Motorized RV Awning Set Shop Awnings -
Leveling Jack Type Front Power / Rear Power - - -
Number Of Axles 2 - - -
Sidewall Construction Fiberglass - - -
Number Of Emergency Exits 1 - - -
Number of Doors 2 - - -
Door Type Plastic / Glass - - -
Body Material Aluminum - - -
Specs
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Awning Length
18 ft/m
Details
Recommended
Awning Fabric Replacement
4.6
Number of Awnings
1
Details
Recommended
Motorized RV Awning Set
4.4
Leveling Jack Type
Front Power / Rear Power
Number Of Axles
2
Sidewall Construction
Fiberglass
Number Of Emergency Exits
1
Number of Doors
2
Door Type
Plastic / Glass
Body Material
Aluminum

Exterior Best Sellers

Top-rated products RV owners use to upgrade or maintain their RV.

Options

Specs Value Buy Shop All Top 5
Satellite Prewiring Yes - - -
Battery Power Converter Yes - - -
Heated No - - -
Power Retractable Slideout Yes - - -
Wallpaper Yes - - -
Overhead Fan Yes Overhead Fan - -
Sliding Glass Door No - - -
Cable Prewiring Yes - - -
Water Heater Tank Bypass Yes - - -
Satellite Yes - - -
Air Conditioning Prewiring Yes - - -
Heat Prewiring Yes - - -
Power Retractable Awning Yes - - -
TV Antenna Prewiring Yes - - -
Metallic No - - -
Screened Room No - - -
Bunkhouse No - - -
Washer / Dryer Prewiring No - - -
Interior Wood Finish Yes - - -
Refrigerator Standard - - -
Phone Prewiring No - - -
Surround Sound No - - -
Specs
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Satellite Prewiring
Yes
Battery Power Converter
Yes
Heated
No
Power Retractable Slideout
Yes
Wallpaper
Yes
Overhead Fan
Yes
Details
Recommended
Overhead Fan
4.2
Sliding Glass Door
No
Cable Prewiring
Yes
Water Heater Tank Bypass
Yes
Satellite
Yes
Air Conditioning Prewiring
Yes
Heat Prewiring
Yes
Power Retractable Awning
Yes
TV Antenna Prewiring
Yes
Metallic
No
Screened Room
No
Bunkhouse
No
Washer / Dryer Prewiring
No
Interior Wood Finish
Yes
Refrigerator
Standard
Phone Prewiring
No
Surround Sound
No

Entertainment

Specs Value Buy Shop All Top 5
Number Of Discs 1 - - -
Speaker Location Interior / Exterior RecPro Exterior Speakers - -
Number Of Televisions 1 Insignia LED HD Alexa TV Shop RV TV's -
Specs
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Number Of Discs
1
Speaker Location
Interior / Exterior
Details
Recommended
RecPro Exterior Speakers
4.4
Number Of Televisions
1
Details
Recommended
Insignia LED HD Alexa TV
4.3

Entertainment Best Sellers

Top-rated products RV owners use to upgrade or maintain their RV.

Instrumentation

Specs Value Buy Shop All Top 5
Number Of Radios 1 - - -
Specs
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Number Of Radios
1

Quick Overview

Specs Value Buy Shop All Top 5
Parent Company Thor Industries Inc. - - -
Year 2018 - - -
Make KZ - - -
Display Name Spree S251RK - - -
Class Travel Trailer - - -
Max Sleeping Count 6 - - -
Number of Slideouts 1 - - -
Introduction Year 2018 - - -
Specs
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Parent Company
Thor Industries Inc.
Year
2018
Make
KZ
Display Name
Spree S251RK
Class
Travel Trailer
Max Sleeping Count
6
Number of Slideouts
1
Introduction Year
2018

How We Scored This RV

Our MintRV Rating analyzes over 50 specifications across 5 key dimensions. Each dimension starts at 5.0 points and adjusts based on how this RV's specs compare to others in its class. Below is exactly how we calculated each score for this travel trailer.

Tow-Ready Score
6.8/10
Base Score 5.0
Spec-based adjustments Based on Travel Trailer class averages +1.8
Final Tow-Ready Score 6.8
Living Space & Layout
6.3/10
Base Score 5.0
Spec-based adjustments Based on Travel Trailer class averages +1.3
Final Living Space & Layout 6.3
Comfort & Features
5.8/10
Base Score 5.0
Spec-based adjustments Based on Travel Trailer class averages +0.8
Final Comfort & Features 5.8
Storage Space
5.0/10
Base Score 5.0
Spec-based adjustments Based on Travel Trailer class averages +0.0
Final Storage Space 5.0
Off-Grid & Campsites
5.8/10
Base Score 5.0
Spec-based adjustments Based on Travel Trailer class averages +0.8
Final Off-Grid & Campsites 5.8
About Our Rating Methodology

MintRV Ratings are calculated using verified manufacturer specifications. We compare each RV against others in its class type and weight category. Scores are updated when new specs become available. Learn more about our methodology →

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Frequently Asked Questions

To safely tow the 2018 KZ RV Spree S251rk, ensure your vehicle's rated tow capacity exceeds its GVWR of 6800 lbs. With a dry weight of 5590 lbs and hitch weight of 600 lbs, most midsize trucks and SUVs can tow it comfortably with a 10-20% safety margin.

This Travel Trailer has a dry weight of 5590 lbs and a GVWR of 6800 lbs, giving a payload capacity of 1210 lbs for gear, water, and supplies.

The approximate dimensions are length 345 in., width 96 in., and height 133 in. Always confirm clearances for garages, storage, and campsites.

The Spree S251rk includes a fresh water capacity of gallons, black water tank(s), and lbs of propane capacity-ideal for off-grid weekends.

Many Spree S251rk owners add a weight-distribution hitch, brake controller, leveling system, and portable generator to improve towing comfort. Solar kits, backup cameras, and upgraded tires are also popular upgrades.

With a GVWR of 6800 lbs and dry weight of 5590 lbs, the Spree S251rk is light enough for smaller tow vehicles yet rugged enough for light off-road travel. Add solar, extra propane, and a generator for extended off-grid stays.

This floorplan sleeps up to 6 people comfortably - perfect for couples or small families seeking a lightweight, easy-tow Travel Trailer.

The Spree S251rk features body construction with sidewalls and 2 axle(s). Its GVWR of 6800 lbs ensures strength without excessive towing weight.
?? Tip: Always check your vehicle's specific towing capacity in the owner's manual. Consider payload and tongue weight too!

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