Code CSS

/** Modelos **/
.modelos {
    padding: var(--separacion) 0;
}

.header-modelos {
    font-size: 6rem;
    margin-bottom: var(--separacion);
}


.listado-modelos {
    display: flex;
    flex-direction: column-reverse;
}

@media (min-width: 992px) {
    .listado-modelos {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: repeat(2, 20rem);
        gap: 4rem;
    }
}

.modelo {
    background-color: var(--grisClaro);
    margin-bottom: 2rem;
    padding-left: 4rem;
    color: var(--primario);
    border-radius: 2rem;
    min-height: 20rem;
    background-repeat: no-repeat;
    background-position: 90% center;
    background-size: 15rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    transition-property: transform background-size;
    transition-duration: .3s;
}
.modelo:hover {
    transform: scale(1.1);
    background-size: 30rem;
}


@media (min-width: 992px) {
    .modelo {
        margin-bottom: 0;
    }
}

.modelo h3 {
    font-size: 2.4rem;
}

.modelo .precio {
    font-size: 4rem;
    font-weight: 900;
    line-height: 0;
}

.modelo:first-of-type {
    margin-bottom: 0;
}

.modelo-x {
    background-image: url(../img/modelo-x.svg);
}
.modelo-y {
    background-image: url(../img/modelo-y.svg);
}

.modelo-z {
    background-image: url(../img/modelo-z.svg);
    background-color: var(--primario);
    color: var(--blanco);
}
@media (min-width: 992px) {
    .modelo-z {
        grid-column: 2 / 3;
        grid-row: 1 / 3;
        background-size: 25rem;
    }
    .modelo-z h3 {
        font-size: 4rem;
    }
}
.modelo-z .precio {
    font-size: 6rem;
}