Car seats only protect a child when they go in correctly, and the anchors built into the rear seat decide how easy that is. The Insurance Institute for Highway Safety grades that ease of use, and a Good mark is the goal. Here are twelve cars, from sports coupes to luxury sedans, that finished below it.
1. Subaru BRZ: Coupe Anchors Fall Short
For the 2026 model year, IIHS gives the BRZ an Acceptable rating for child-seat anchor ease of use, one step below its Good grade. The Subaru coupe therefore lands on the list despite its enthusiast focus.
The score reflects how simple the anchors are to use, not how the car performs in a crash. A parent who carries a child seat in the back of a BRZ should still plan a few extra minutes to confirm the seat is installed securely.
2. Toyota GR86: A Twin With Tricky Anchors
The GR86 shares its Acceptable result with its Subaru cousin, according to the IIHS small-car ratings for 2026. That grade sits below Good for how easily child seats attach to the anchors.
Because the rating covers installation usability only, it says nothing about crashworthiness. Shoppers who want a sporty Toyota with a rear seat for occasional child-seat duty can read it as a practical hint to test a seat before buying.
3. Kia K4: New Sedan, Middling Anchors
Kia’s 2026 K4 sedan earns an Acceptable mark in the small-car anchor evaluation, short of the Good grade IIHS reserves for easy-to-use hardware. A compact sedan would seem a natural family choice.
The rating measures how convenient the anchors are for installing a seat, not how well the body protects occupants. Families weighing the K4 may want to bring their own child seat to the dealership and try the fit.
4. Acura Integra: Premium Badge, Acceptable Anchors
Acura’s Integra is rated Acceptable for 2026 on anchor usability for child seats, which falls below the Good grade. The sporty hatchback carries a premium badge, yet that does not lift this particular score.
The finding concerns installation ease only and makes no statement about crashworthiness. Parents drawn to the Integra can treat the rating as a reason to practice installing a seat before relying on the car for daily school runs.
5. Hyundai Sonata: A Family Sedan Misses Out
Hyundai’s Sonata, a long-running midsize family sedan, receives an Acceptable rating for 2026 in the midsize-car ratings table. That is a notch under Good for the ease of using its child-seat anchors.
Installation usability is the only thing measured, so the result is not a verdict on how the Sonata handles a collision. Buyers with young children can use it to prioritize a hands-on anchor test during a showroom visit.
6. Hyundai Ioniq 6: Sleek Electric, Fiddly Anchors
The electric Ioniq 6 sedan is rated Acceptable for 2026 in the IIHS review of midsize-car anchor ease, below the top Good tier. Its low, swooping roofline is the sort of design that can complicate rear-seat work.
The score addresses how easy the anchors are to use and nothing about crash protection. Parents considering the Ioniq 6 might check how a bulky rear-facing seat fits behind the front seats before signing.
7. Volkswagen Jetta: Value Sedan, Mid-Pack Anchors
Volkswagen’s Jetta, a compact sedan sold on value, gets an Acceptable rating for 2026 on child-seat anchor installation, placing it under the Good grade in IIHS’s midsize class table.
The rating is limited to installation usability and does not speak to crashworthiness. For a household shopping on price, the finding is a small practical caveat worth testing with an actual seat rather than a reason to cross the Jetta off.
8. Kia K5: Popular Midsize, Shy of Good
Kia’s K5 midsize sedan carries an Acceptable score for 2026, according to the IIHS midsize-car summary. That is one rung below the Good rating for how easily child seats connect to its anchors.
As with the others, the grade describes usability, not how the car fares in a crash. Prospective owners with infants may want to confirm that a favorite seat fits cleanly and clicks into the anchors without struggle.
9. Volvo V60 Cross Country: Wagon Style, Acceptable Anchors
The V60 Cross Country, Volvo’s raised wagon, is rated Acceptable for 2026 in the midsize luxury ratings, below the Good grade for child-seat anchor ease of use. Volvo has long courted family buyers, which makes the result notable.
The measurement concerns installation usability and says nothing about crashworthiness. Parents who prize the wagon body for hauling gear and kids can pair this finding with a quick trial installation before committing.
10. Tesla Model 3: Even the Bestseller Slips
The 2027 Tesla Model 3 earns an Acceptable rating for anchor ease of use, IIHS’s data shows, a step under Good. The electric sedan is among the best-known cars on the road, so the rating draws attention.
It reflects only how easy child seats are to install, not crash performance. Families eyeing a Model 3 can use the result as a prompt to try their own seat, since the hardware, not the badge, determines the effort.
11. Alfa Romeo Giulia: The Lowest Grade Here
The 2026 Giulia is the only car in this lineup rated Marginal rather than Acceptable for child-seat anchor usability, a clear gap beneath IIHS’s Good grade. The Italian sport sedan is the weakest performer on this list.
The rating measures installation convenience, not crashworthiness. Parents who love the Giulia’s driving character should plan on a careful, possibly slower installation each time a child seat goes in the back, and should try a seat in person first.
12. Genesis G80: Luxury Flagship Stumbles Too
Even the Genesis G80, a large luxury sedan, is rated Acceptable for 2026 in its IIHS vehicle rating page, below the Good grade for child-seat anchor ease of use. Price and prestige did not buy a top mark here.
The finding is about installation usability, not crashworthiness. Chauffeured-style comfort is not the same as easy anchors, so buyers with young passengers should test a seat before assuming the G80 will fit their routine.
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