Used Car Apr Rates 2025. The average new car loan rate now sits at 9.58% — “the highest we’ve seen for more than 20 years.” the average used car loan rate sits higher at 13.98%. Interest rates for both new and used vehicles have steadily increased since the pandemic began in 2020.

Used car prices will be stable in 2025, with very slight movements reflecting the typical seasonal trends. This tax information and impact note is about increases to the vehicle excise duty rates for cars, vans and motorcycles by retail price index in 2025 to 2026.