Housing does not sound quite right. Could be the usual detached vs. attached confusion. $230k to $328k is +43%. The real change should be closer to 60%.
Low-end car comparison is also off. Camry is midsize, Elantra is compact. You have to compare Camry to Sonata (188-189 in. length) and Elantra to Corolla (178-180 in. length).