GM Improves Its Li-Ion Batteries; Plus 15 Spark Preview

15 Spark EV will be the first to use the lighter, smaller 18.4 kWh pack. 2015 Chevrolet Spark EV ? Same $27,495 starting price incl. D&H while offering the same 82 miles of range via a new smaller pack. The Chevrolet Spark EV is only available in California and Oregon. For 2015, GM for whatever reason added shorter final (3.87 replaces the 14s 3.17 ratio0 that improved acceleration but did nothing to improve range? OnStar 4G LTE with available Wi-Fi hotspot and two new exterior colors, Salsa and Lime, will be available later in the year.