EPA Range
EPA range is the official driving range rating for electric vehicles in the United States, determined by testing procedures defined by the Environmental Protection Agency. It is generally considered more representative of real-world driving than the European WLTP standard.
How It Works
The EPA test cycle includes city driving (UDDS cycle), highway driving (HWFET cycle), and a combined figure weighted as 55% city and 45% highway. The tests are conducted on a dynamometer, and the results are then adjusted downward by approximately 30% to better approximate real-world conditions — accounting for factors like climate control, cold weather, and aggressive driving.
This built-in adjustment factor is why EPA figures are typically 15–25% lower than WLTP figures for the same vehicle. Neither number is "wrong" — they just use different methodologies and correction factors.
Why It Matters
For American EV buyers, EPA range is the standard comparison metric. For buyers in other regions seeing both figures, understanding the relationship helps set realistic expectations: WLTP provides an optimistic benchmark, while EPA figures are closer to everyday driving.
When comparing EVs across regions, look at both figures if available. An EV rated at 500 km WLTP might show approximately 400 km EPA — both describe the same vehicle, just measured differently.
Common Values
- Small EVs: 150–300 km EPA (100–190 miles)
- Mid-range: 300–450 km EPA (190–280 miles)
- Long-range: 450–600+ km EPA (280–370+ miles)
- EPA vs WLTP: EPA is typically 15–25% lower than WLTP