The Ford Mustang Mach-E is a popular electric crossover with strong sales. Find low-mileage 2021 models available for under $20,000.

Thinking about going electric but worried about the price tag? You’re not alone. For a while there, it felt like electric cars were only for folks with deep pockets. But things are changing, and fast.

The battery packs of electric vehicles are quite resilient; the lithium-ion type used in most modern EVs can last at least a ...