The results are similar for the Chevrolet Tahoe and GMC Yukon. Service and warranty costs for the Tahoe increased from $144 in 2020 to $668 in 2021. For the Yukon costs more than tripled from $193 to $716 and rose from $251 in 2020 for the Yukon XL to $719 in 2021.
For the next model year Ford addressed the issues and in 2021 first year service and warranty costs for the Explorer retreated back to $211. Service and warranty spending after 12 months on the road for the 2018 Prius Prime came in at $138 but then quickly dropped to $108 in 2019, $109 in 2020 and edged up two bucks to $111 in 2021.
That study revealed the cost to repair an EV after three months of service is more than 2.3 times higher per vehicle than the costs to repair other vehicles. That ratio lowers to more than 1.6 after a year in service.