How Much Does a 4-Seater Side-by-Side Weigh?

On average, a 4-seater side-by-side (UTV / SxS) has a dry weight between 1,430 lbs and 2,640+ lbs (650 kg to 1,200+ kg), depending on the engine displacement and chassis design. When fully fueled and equipped for the trail (wet/curb weight), most mainstream 4-seater models weigh between 1,600 lbs and 2,800 lbs.

• The light end (~1,600 lbs / 725 kg): Weighs roughly as much as a full-grown thoroughbred racehorse or 2 to 3 adult grizzly bears.

• The heavy end (~2,800 lbs / 1,270 kg): Weighs as much as 2 adult cows or a compact passenger sports car like a Mazda MX-5 Miata.

How Weight Affects a Side-by-Side (UTV): Is Lighter or Heavier Better?

In the UTV / Side-by-Side world, there is no absolute "lighter is better" or "heavier is better"—it depends entirely on the application:

Advantages of Lighter UTVs (Best for: Sand dunes, desert riding, racing, and mud): 

Lighter vehicles deliver faster acceleration and throttle response, resist getting bogged down, carry less inertia for shorter braking distances, and place less impact force on the suspension and shocks.

Advantages of Heavier UTVs (Best for: Farm work, heavy towing, and high-speed stability):

Heavier vehicles provide the downward traction needed to tow heavy loads without losing control or drifting. They feature thicker Roll-Over Protective Structures (ROPS), reinforced steel frames, and protective skid plates for higher impact resistance, while their weighted, low-center-of-gravity chassis ensures excellent high-speed stability against crosswinds.

How Much Does a 4-Seater Side-by-Side Weigh?

Adding a second row of seats extends a UTV's wheelbase by 20–30 inches (50–80 cm) and adds 250–450 lbs (120–200 kg) over a standard 2-seater model. Below is a breakdown of dry weights categorized by engine displacement and primary application.

550cc 4-Seater UTV (1,430 – 1,580 lbs / 650 – 720 kg): Property Maintenance, Light Farming & Casual Family Trail Riding

1. Displacement / Representative Models: 500cc – 580cc Single-Cylinder (e.g., CFMOTO UForce 600, Nomader 580 series)

2. Key Features & Primary Applications: Compact footprint, small turning radius, and low fuel consumption. Ideal for light property maintenance, small farm chores, and casual low-speed family rides through gentle terrain.

3. Limitations: Limited top speed (typically 35–45 mph) and sluggish acceleration when carrying four adults and cargo up steep inclines.

4. what size trailer for 4 seater side by side: A 5' x 12' or 6' x 12' single-axle trailer rated for at least 2,990 lbs GVWR is sufficient to haul the machine along with basic gear.

650cc–750cc 4-Seater SxS (1,580 – 1,800 lbs / 720 – 820 kg) Best for General Ranching, Hunting Trips, & Moderate Off-Road Trails

• Displacement / Representative Models: 650cc – 720cc Single/Twin-Cylinder (e.g., Kawasaki Teryx4, Nomader Crew 720, Can-Am Commander MAX)

• Key Features & Primary Applications: The sweet spot for price, versatility, and everyday usability. Features a reinforced frame and enhanced towing capacity, making it perfect for mid-duty farm tasks, hunting excursions, and recreational trail riding.

• Limitations: Lacks the raw horsepower needed for high-speed sand dune climbing or competitive racing.

• Trailer Requirements: Requires a 6.5' x 12' or 6.5' x 14' single-axle trailer (preferably with a heavy-duty ramp gate) or a dual-axle trailer with a minimum payload capacity of 2,500 lbs.

850cc 4-Seater UTV (1,870–2,380lbs /850–1,080 kg) : best for Heavy Agricultural Work, Long-Distance Crew Transport, & Tough Terrain

• Displacement / Representative Models: 800cc – 850cc V-Twin (e.g., Nomader Crew 850, Polaris General 4)

• Key Features & Primary Applications: Excellent mid-range torque, high towing capacities, and long-travel suspension. Built for demanding agricultural hauling, ranch work, and long-distance group trail rides through rough backcountry terrain.

• Limitations: Approaching a full ton in weight; if stuck in deep mud, retrieval requires a heavy-duty winch, and hauling requires a substantial trailer setup.

• Trailer Requirements: A 7' x 14' tandem-axle (dual-axle) trailer rated for at least 3,500 to 5,000 lbs GVWR is recommended to safely handle the vehicle's wet weight and cargo.

1000cc/999cc 4-Seater Side-by-Side(2,100 – 2,640 lbs /950 – 1,200 kg):best for High-Speed Sand Dunes, Desert Racing, & Heavy Commercial Jobs

• Displacement / Representative Models: 999cc – 1000cc+ Twin/Triple-Cylinder (e.g., Polaris RZR XP 4 / Ranger Crew, Can-Am Maverick X3 MAX / Defender MAX, Nomader Crew 1000)

• Key Features & Primary Applications: High-output engines delivering 100 HP to over 200 HP. Equipped with long-travel shocks, wide track stances, and massive payload ratings engineered for high-speed sand dunes, desert racing, deep mudding, and severe commercial work.

• Limitations: High fuel consumption, large physical footprint (often 64 to 72 inches wide and over 12 feet long), and high overall weight (loaded trail weight easily tops 3,500 lbs).

• Trailer Requirements: Requires a 7' x 16' or 7.5' x 16' tandem-axle trailer with built-in electric brakes and a minimum 5,000 to 7,000 lbs GVWR to account for the machine's extended wheelbase and trail gear.

Zhangxue Motorcycles' Self-Developed 819cc Inline 3-Cylinder Engine (114.6 lbs / 52 kg | Max 15,250 RPM)

As UTV manufacturers strive to maximize horsepower without adding unnecessary vehicle weight, ultra-lightweight engine engineering has become a critical area of innovation. The independently developed 819cc inline 3-cylinder engine from Zhangxue Motorcycles (ZXMOTO) is a prime example of high-output, lightweight powertrain technology.

Compact & Ultra-Lightweight Structure: Weighing approximately 114.6 lbs (52 kg) dry, this engine uses race-grade materials—including titanium valves, titanium connecting rods, and magnesium alloy pistons—reducing overall engine weight by nearly 30% compared to standard production engines of similar displacement.

High RPM & Power Density: Capable of revving up to 15,250 RPM, this 818.8cc engine produces up to 153.6 HP in its top race configuration (as featured on the ZXJC 820RR-RS), delivering an extraordinary power-to-weight ratio.