The Lemon Index

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Toyota Corolla vs Hyundai Sonata: which has fewer problems?

Toyota CorollaHyundai Sonata

Photos: Kevauto · Benespit (Wikimedia Commons)

Winner

Toyota Corolla

About 64% fewer owner complaints per car sold than the Hyundai Sonata, and fewer in 22 of 26 model years both were sold.

Head to head

Lemon Index
100 = average, lower is better
46
129
Years with fewer complaints
2000–2025
22 of 26
4 of 26
Recalls
2000–2025
145
122
MPG
latest year
30–50
27–47
Crash test
best, latest year
★★★★★
★★★★★
Best year to buy

Lemon Index = safety complaints filed with the government within 3 years, per car sold, against the average car of the same model year. 100 is average, lower is better. Green check = the better of the two on that line.

Year by year

Shorter bar = fewer complaints per car sold. Tap a year for its full report.

Every Toyota Corolla year · Every Hyundai Sonata year · How the index works