Best Car Seat For Side By Side: UTV and Booster Options

#1 · Best Overall

1. UTVMA RZR Bump Seat

• Weight: 460 g
• Material Type: Vinyl

Best for: Specified Polaris RZR bump seat.

Why it ranks #1: Lists fit for specified RZR 1000 and 900 models and includes a 4-point harness, bracket, and mounting hardware; its stated child limit is 60 pounds.

A supplied four-point harness, bracket, and mounting hardware make the UTVMA bump seat a complete listed mounting and restraint set for compatible Polaris RZR vehicles. It fits specified RZR 900 and 1000 models from 2014–2023, with a child limit of up to 60 pounds.

The detailed compatibility list covers RZR 1000 and 900 two- and four-seat models from 2014–2023, including XP, Turbo, Turbo S, Dynamix, Trail, and High Lifter versions. The package includes the bump seat, four-point harness, bracket, and mounting hardware, so the listed components are present for its installation. It is intended to help children see better and is explicitly for off-road use. The fit excludes RZR Pro models and 2024-and-up new-body-style RZR 1000s.

Skip it if you own a 2024-or-newer new-body-style RZR 1000 or an RZR Pro; the SHARRYPAPPU bump seat lists certain RZR fits through 2022.

This suits owners of specifically listed RZR models who want a bump seat with a four-point harness and mounting hardware. Model year and body style matter: it excludes RZR Pro and newer-body-style 2024-and-up RZR 1000s.

Listed on Amazon as: UTVMA RZR 1000 and 900 (2014-2023) Bump Seat with 4-Point Harness | Kids Seat | Jump Seat | All Models (XP, Turbo, Turbo S, High Lifter, Sport, Premium, Ultimate) (Black)

#2 · Best RZR Coverage

2. SHARRYPAPPU 4-Point Bump Seat

• Material Type: Leather

Best for: Four-point RZR child seating.

Why it ranks #2: Fits several listed RZR 1000, 900, and 570 model-year groups and includes a 4-point harness, bump seat, hardware, and mounting bracket.

A four-point harness with two-inch-wide straps comes with this SHARRYPAPPU bump seat, which adds a child seating position in compatible Polaris RZR models. Its listed applications include several RZR 900 and 1000 variants, with front and rear placement specified for many model groups.

The compatibility list names RZR 1000 and RZR 4 1000 models from 2014–2022, including Turbo, XP, and Dynamix, plus Turbo S models from 2018–2022. It also lists RZR S 900, Trail 900, and RZR 4 900 models from 2015–2022, as well as RZR 570 from 2017–2019. The included harness, bump seat, hardware, and mounting bracket make the listed components available together. Leather is the stated material.

Skip it if you need a seat explicitly listed for 2023 RZR 1000 and 900 models; the UTVMA RZR 1000 and 900 bump seat covers 2014–2023.

This suits owners of the listed Polaris RZR variants seeking a bump seat with a four-point harness and included mounting hardware. Match the vehicle’s model and year to its stated compatibility before choosing front or rear placement.

Listed on Amazon as: 4-Point Harness Bump Seat Replacement for Polaris RZR 1000 and 900 (2014-2022)

#3 · Best Broad UTV Fit

3. Aces Racing Junior Seat

• Weight: 13.7 lb
• Material Type: Vinyl

Best for: UTV riders under 70 pounds.

Why it ranks #3: Designed for stock and aftermarket seats and names Polaris, Can-Am, Yamaha, and Honda compatibility; harness slots are specified for kids under 70 pounds.

Compatibility with both stock and aftermarket seats lets the Aces Racing Junior Seat serve a range of UTV interiors, including Polaris, Canam, Yamaha, and Honda models. It is intended for children under 70 pounds and uses marine-grade carbon vinyl for its seating surface.

Its stated fit across stock and aftermarket seats can help UTV owners add a junior seat without limiting the choice to one seat type. The named compatibility with popular brands such as Polaris, Canam, Yamaha, and Honda gives buyers concrete vehicle categories to consider. Marine-grade carbon vinyl is the listed material, while the under-70-pound child limit defines the intended rider size. At 13.7 pounds, the seat is a substantial accessory to position in the UTV.

Skip it if you need an off-road seat with a stated 5-point harness slot and extra lift; the 50 Caliber Racing Mini Bucket Seat lists both.

This suits UTV owners wanting a junior seat compatible with stock or aftermarket seating and children under 70 pounds. Consider the 13.7-pound weight and verify the named vehicle compatibility before planning installation.

Listed on Amazon as: SxS UTV Junior Seat (Fits Stock and Aftermarket Seats) (Black)

#4 · Best Cushioned Option

4. 50 Caliber Racing Mini Bucket Seat

• Weight: 15 lb
• Material Type: Vinyl

Best for: Cushioned off-road child seat.

Why it ranks #4: A UTV-oriented bucket seat with thick bolsters, high-density foam, and a 5-point harness slot; some applications may require modifications.

Thick bolsters and high-density foam cushioning give the 50 Caliber Racing Mini Bucket Seat a comfort-focused profile for long off-road rides. Its extra lift is described as improving a child’s visibility, and the seat includes a 5-point harness slot for a child-sized UTV seating setup.

The raised seating position is intended to improve visibility, which can help a child see more of the ride rather than sit low in the vehicle. Thick bolsters and high-density foam address comfort on all-day excursions. A 5-point harness slot provides a defined restraint feature, while the listed universal vehicle compatibility comes with a caveat: some modifications may be required. Vinyl construction and a 15-pound weight are practical factors when positioning this seat in an off-road vehicle.

Skip it if you need compatibility explicitly listed for stock and aftermarket UTV seats without a modification caveat; the Aces Racing Junior Seat lists both.

This suits off-road families prioritizing a raised view and cushioned seating for a child. Its universal fit listing may require modifications, so account for that vehicle-specific installation consideration before choosing it.

Listed on Amazon as: 50 Cal Racing Mini Bucket Seat for Kids – Off Road UTV Child Booster Seat

#5

5. UTVMA Mini Bucket Seat

• Weight: 6.8 kg
• Material Type: Rubber

Best for: Simple UTV child seating.

Why it ranks #5: Designed for UTV use, with ages 1–6 described as usually best; the listing says the vehicle seatbelt holds both the child and bucket seat in place.

A rubber mini bucket seat gives a young passenger a place to sit in a UTV while the vehicle’s seatbelt holds both child and seat in place. UTVMA identifies it for off-road use only, not highway cars, and notes that ages 1 to 6 are usually best suited to this seat.

This is a UTV-specific seating option, not a conventional car seat: its stated role is to act as a place to sit while the child and seat are secured with a seatbelt. The rubber construction and 6.8-kilogram weight are relevant when handling or positioning it in the vehicle. UTVMA says it fits stock and aftermarket UTVs, offering flexibility across those seat types. Its off-road-only restriction is essential when deciding where it can be used.

Skip it if you need a highway car seat with a built-in harness; the Graco Extend2Fit is a convertible car-seat option.

This is for UTV owners seeking a simple seating spot for a young child on off-road rides. Its role depends on fastening the child and seat with a seatbelt, and it is not for highway vehicles.

Listed on Amazon as: UTV Mini Bucket Seat for Kids – Fits All Stock and Aftermarket UTV

#6

6. Baby Trend Hybrid SI Booster

• Weight: 16 lb
• Material Type: Metal, Plastic, Polyester
• Installation Type: Seat Belt

Best for: Growing riders needing stages.

Why it ranks #6: A highway-oriented combination booster, not a UTV seat; its three-stage design starts at 30 pounds and includes dual cup holders and an adjustable headrest.

A three-in-one combination design carries the Baby Trend Hybrid SI through harness and booster stages as a child transitions toward vehicle seat-belt use. Its side-impact-focused construction, adjustable headrest, and 30–100-pound listed range make it a multi-stage option for everyday forward-facing rides.

The combination format supports changing from harness use to booster stages, giving families a seat intended to cover multiple points in a child’s growth. An adjustable headrest can be tailored as the child grows, while dual cup holders keep drinks close during daily trips. The side-impact-focused design adds a protective feature to the seat’s stated purpose. At 18 inches wide and 16 pounds, it is a more substantial choice than a lightweight booster intended for frequent transfers.

Skip it if you want a lighter booster for frequent vehicle transfers; the Evenflo GoTime LX weighs 7.1 pounds and supports two booster modes.

This suits families seeking a multi-stage forward-facing combination seat with an adjustable headrest and cup holders. Its 21-inch depth and 16-pound weight are worth factoring into vehicle placement and any planned transfers.

Listed on Amazon as: Baby Trend Hybrid SI 3-in-1 Combination Booster Seat, Dash Plum – Side-Impact Protection, 3-Stage Growth Design, Adjustable Headrest, Cushioned Comfort

#7

7. Safety 1st Grand Booster

• Weight: 8.8 lb
• Material Type: Polyester
• Installation Type: Latch

Best for: Three-across booster families.

Why it ranks #7: Its slim design is stated to fit three across in a car, with harness and belt-positioning modes; it is not specified for UTV use.

A slim profile intended to fit three across makes the Safety 1st Grand relevant for carpools and families arranging multiple seats in one row. It changes from a forward-facing harness booster for children 40–65 pounds to a high-back belt-positioning booster for children 40–100 pounds.

The two modes cover a forward-facing harness stage and a later belt-positioning stage, so the same seat can serve different needs as a child grows. The listed height ranges are 43.4–49 inches with the harness and 43.4–52 inches in belt-positioning mode. Its 17.75-inch width supports the stated three-across focus, while the 8.8-pound weight can make moving it between vehicles more manageable. Installation is listed as LATCH.

Skip it if you need rear-facing harness use for a younger child; the Graco Extend2Fit supports rear-facing use from 4 to 50 pounds.

This fits families needing a forward-facing seat that can transition from harness to high-back belt positioning, especially when fitting three across matters. Check the child’s listed mode-specific height and weight range.

Listed on Amazon as: Safety 1st Grand 2-in-1 Booster Car Seat, Converts from High Back to Belt-Positioning Booster, High Back Seat for Kids 40-65, and Belt-Positioning 40-100 Pounds, Old Soul

#8

8. Baby Trend Protect Folding Booster

• Weight: 10.4 lb
• Material Type: Metal, Plastic, Polyester
• Installation Type: Seat Belt

Best for: Fold-away travel booster.

Why it ranks #8: The belt-positioning booster folds flat and weighs 10.4 pounds, but its listed use is a highway vehicle rather than an off-road UTV.

A fold-flat design makes the Baby Trend Protect easier to store and transport between family trips or vehicles. This belt-positioning booster is listed for forward-facing use from 40 to 120 pounds, and its lightweight 10.4-pound build supports moving it when a child rides in different cars.

Folding the booster flat can reduce the space it takes up when it is not being used, while the 10.4-pound weight helps when transferring it between vehicles. Its seat-belt installation and belt-positioning focus suit a big-kid booster setup. A built-in cup holder keeps a drink within reach, and cushioned seating is intended to make longer rides more comfortable. The listed weight range is 40–120 pounds; its dimensions are 19 by 20.25 by 28 inches.

Skip it if you need a harness-to-booster combination seat; the Baby Trend Hybrid SI provides a three-stage combination design.

This suits families wanting a portable, fold-flat belt-positioning booster for a growing child. The listed range begins at 40 pounds, and its 19-by-20.25-inch footprint should be considered when choosing a vehicle seating spot.

Listed on Amazon as: Baby Trend Protect 2-in-1 Folding Belt-Positioning Booster Seat, Grey Tech

#9

9. Evenflo GoTime LX Booster

• Weight: 7.1 lb
• Material Type: Polyester, Polyurethane Foam
• Installation Type: Seat Belt

Best for: Adjustable two-mode booster.

Why it ranks #9: This highway booster offers high-back and backless modes and seven height positions, but the listing does not specify UTV compatibility.

Seven one-hand height positions let the Evenflo GoTime LX adjust as a child grows, while its two modes transition from high-back to backless booster use. The seat is listed for children from 40 to 120 pounds and weighs 7.1 pounds, making it a comparatively light option to handle.

A one-hand, seven-position adjustment makes it easier to change the fit as a child grows without a multi-step height adjustment. Switching between high-back and no-back modes gives families two booster configurations. The deep design with overlapping head and body sides provides added support, and the seat meets or exceeds applicable federal safety standards. At 7.1 pounds, it is convenient to move between vehicles; its seat-belt installation and 40–120-pound range define its use.

Skip it if you need a harness seat for a child under 5; the Graco Extend2Fit starts at 4 pounds in rear-facing harness mode.

This suits families seeking an adjustable booster that can change from high-back to backless use. The listed minimum age is 5 years, and the 40-pound minimum and seat-belt installation should match the intended rider.

Listed on Amazon as: Evenflo GoTime LX Booster Car Seat (Astro Blue)

#10

10. Graco Extend2Fit Convertible Seat

• Weight: 19 lb
• Material Type: Polyester
• Installation Type: Latch

Best for: Extended rear-facing families.

Why it ranks #10: A standard-vehicle convertible car seat with rear-facing use to 50 pounds, but it is not presented as an off-road side-by-side seat.

A four-position extension panel adds up to five inches of legroom, giving children more room to ride rear-facing as they grow. The Graco Extend2Fit is a convertible car seat with rear-facing harness use from 4 to 50 pounds, then forward-facing harness use from 26.5 to 65 pounds.

The adjustable panel can be set across four positions, so families can tailor legroom rather than move straight to forward-facing use. Its 50-pound rear-facing maximum supports that extended rear-facing option, while the forward-facing harness mode continues use up to 65 pounds. Graco ProtectPlus engineering addresses side and frontal impact testing. At 19 pounds, the seat is a substantial choice for a vehicle setup you expect to keep in place; its listed installation type is LATCH.

Skip it if you need a booster for a child already using a vehicle belt; the Safety 1st Grand offers a belt-positioning mode up to 100 pounds.

This suits families seeking a convertible harness seat with extended rear-facing capacity and adjustable legroom. Consider the 21.5-inch depth and LATCH installation when planning its position in a shared vehicle.

Listed on Amazon as: Graco Extend2Fit 2-in-1 Convertible Car Seat, Gotham