Research-based shortlist, not a verified-fit list. Confirm your model year, body style, trim and seat layout before buying.
This guide builds on our general guide to choosing the best kennel for your vehicle. Start there for the overall approach, or change vehicles with the selector below.
Start with your Subaru Ascent’s layout
The Ascent is offered with three rows and different passenger configurations. That makes the seat plan the first kennel decision. Decide whether the third row will be used on this trip, and measure in that exact arrangement. A kennel that works with both rear rows folded may be irrelevant to a household transporting children and a dog together.
We would normally begin a cargo-kennel comparison with the third row folded, provided that fits your passenger needs. Check the load floor, the narrow area between side trim and the height where the hatch closes. Include any mat or protective liner in the measurement, particularly if its edges prevent the kennel from sitting where the floor appears widest.
A dog-sized Gunner G1 and a RuffLand single- or double-door version are sensible candidates to investigate in that measured space. Our preference between them depends on installation and access, not on the Subaru badge. A second opening can be useful, but only when a passenger seat, console or adjacent kennel does not block it.
If you need all three rows, do not force a larger kennel into the remaining cargo area or rely on luggage to keep it still. A small-dog rear-seat carrier may be an alternative if its instructions permit the selected seating position. For multiple dogs, check each kennel independently and retain a practical way to reach a latch without unloading the entire vehicle.
The checks that matter here
- Seven- or eight-passenger layout and third-row use
- Cargo liner and narrow floor width
- Independent latch access for each kennel
Kennels we would compare for the Subaru Ascent
Measure with the seats you need in place, then compare a Gunner G1 and the RuffLand door arrangement you can actually reach. Avoid choosing from maximum cargo volume.
Gunner G1
Consider a dog-sized G1 with the Ascent’s third row folded, then separately evaluate whether your full passenger-load trips can use the same plan.
When we would pass: A full three-row passenger load may rule out the cargo arrangement used in a folded-row photograph.
Check this option and its instructions →
RuffLand double-door configuration
For two dogs, investigate alternate doors only after placing both shells and testing access with the other kennel secured.
When we would pass: For two dogs, verify latch access after both shells and their restraints are in place.
Check this option and its instructions →
These are candidates to investigate, not confirmed fits. Match the exact size and installation instructions to your dog and vehicle before ordering.
Before you order
Use the main guide’s dog-sizing and loading-route checklist to test your chosen layout. Review how to check crash-test evidence for the exact product and installation; a successful physical fit does not establish crash protection.
Bring your dog’s measurements, your model year and trim, and photos of the intended installation area to the kennel seller. Ask for the exterior envelope and usable interior measurements of the exact size and door configuration. Confirm the return terms before a trial fit.
Sources and related guides
- Subaru Ascent manufacturer information
- Gunner G1 manufacturer information
- RuffLand double-door configuration manufacturer information
- Compare our kennel product reviews
- All 106 vehicle guides
Reviewed October 26, 2026. Recommendations are editorial judgments from published information; no vehicle-specific fit or crash result is implied.