Could just be that in the real world the small cars are better at beating the rating than the SUVs.
That said, I wouldn't turn down a little two seater convertible with the drive line from a Highlander Hybrid
__________________
2016: 128.75L for 1875.00km => 6.87L/100km (34.3MPG US)
2017: 209.14L for 4244.00km => 4.93L/100km (47.7MPG US)