Tesla and Rivian Are Both Down 12%. Here's the Better Buy for the Second Half of 2026.

Both Tesla and Rivian have declined 12% in 2026, but they represent different investment theses. Tesla is pursuing autonomous robotaxi services with significant long-term potential but faces valuation risks and repeated delays. Rivian offers a more concrete near-term catalyst with its R2 mass-market SUV launch and Volkswagen partnership worth up to $5.8 billion. For the second half of 2026, Rivian presents a more compelling opportunity despite higher execution risk, while Tesla remains the safer long-term blue-chip EV holding.