Imperial Outdoors Sport Series S145

The Imperial Outdoors Sport Series S145 is a rugged, off-road travel trailer built for true adventure seekers who refuse to compromise on comfort. With its robust steel chassis, independent Cruisemaster suspension, and 18 inches of ground clearance, it’s ready to tackle rough backcountry roads with confidence. Inside, you’ll find a fully insulated, four-season cabin with a full dry bath, a well-equipped kitchen, and a cozy full-sized bed—perfect for two. The S145 is designed for extended off-grid living, featuring 240 watts of rooftop solar, 204Ah lithium batteries, heated water tanks, and a 12V air conditioner that runs without shore power. Whether you’re chasing solitude in the wild or braving the elements, this trailer is a reliable, comfortable basecamp for your next journey.

$86,661

MSRP

$72,495

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Specification
The Imperial Outdoors Sport Series S145 trailer is 21’7” long, 7’3” wide, weighs 3,900 lbs dry, and sleeps 2.

Dimensions & Weight 

  • Overall Length: 21 ft. 7 inches

  • Width: 87 in.

  • Height: 114"

  • Dry Weight: 3900 lbs

  • GVWR (Gross Vehicle Weight Rating): 5,454 lbs

  • Tongue Weight: 450 lbs

Capacities 

  • Sleeping Capacity: 2

  • Fresh Water Capacity: 60 gallons

  • Gray Water Capacity: 60 gallons

  • Propane Capacity: 40 lbs

Construction & Chassis 

  • Chassis: Rugged, powder-coated steel perimeter frame

  • Suspension: Cruisemaster CRS independent suspension

  • Tires: 31-inch all-terrain

  • Ground Clearance: 18 inches

  • Insulation: 4-season rated, fully insulated composite cabin (nearly 3” thick walls)

  • Heated Water Tanks: Yes

Power & Off-Grid Features 

  • Solar: 3 x 80W (240W total) rooftop solar panels

  • Battery: 204 Ah lithium battery storage

  • Air Conditioner: 12V (operates off-grid)

  • Furnace/Water Heater: Truma Combi

Interior & Comfort 

  • Bed: Full-sized

  • Bathroom: Full dry bath with shower, sink, and toilet

  • Kitchen: Refrigerator, cooktop, and sink

  • Windows: Thermal acrylic

Other Features 

  • Awnings: 1 (270-degree optional)

  • Self-Contained: Yes

  • Enclosed Underbelly: Yes

  • Exterior Color: Tan

These specs make the S145 a robust, off-road-ready, and comfortable trailer for two, designed for four-season adventures and extended off-grid capability.

Location

Post Falls, Idaho

Condition

New

Stock Number

IMP2026325

Year

2025

Make

Imperial Outdoors

Model

Sport Series S145

Color

White

Sleeps

2

Slideouts

N/A

Awnings

270 degree OVS Awning

Air Conditioners

1

Length

20 ft. 7 in.

Floor Plan

Trailer

Tongue Weight

450 lbs.

Dry Weight

3900 lbs.

GVWR

5454 lbs.

Height

114"

Width

87 inches

Interior Height

75.5 inches

Fresh Capacity

60 gallons