Carvana's Growth Story Now Depends on Profit per Vehicle

Carvana's shares entered the October 28 earnings report down sharply for the year even though its sales engine was still expanding. The tension is straightforward: the online used-car retailer sold a record number of vehicles in the second quarter, but the profit earned per vehicle declined from a year earlier.

Carvana reported 197,325 retail units in the second quarter, up 38%, while revenue rose 52% to $7.376 billion. Net income was $513 million and adjusted EBITDA reached $769 million, equal to a 10.4% margin. The company raised full-year adjusted EBITDA guidance to $2.7 billion to $3.0 billion and expected retail units to increase sequentially in the third quarter.

Volume alone does not settle the investment case. Total gross profit per unit was $412 lower than a year earlier, according to the source analysis, and the adjusted EBITDA margin fell from 12.4% to 10.4%. Carvana's model combines vehicle retailing with financing, so loan pricing, funding costs and credit performance can change economics even when more cars move through the platform.

The bull case rests on scale and physical capacity. Carvana has been integrating ADESA auction sites for inspection and reconditioning, which can expand inventory closer to customers and shorten delivery times. Management argues that a broader selection improves conversion and spreads marketing expense over more transactions. The company also said it represented only about 1.5% of the U.S. automotive market, leaving a large theoretical runway.

The bear case is that growth requires more working capital and does not guarantee stable unit economics. Long-term debt was about $4.85 billion in the source report, and higher benchmark rates can pressure financing profits. Reconditioning expansions also need capital before they reach full utilization.

The third-quarter test is therefore not whether Carvana can sell more cars. It is whether higher loan pricing and added reconditioning capacity restore gross profit per unit while preserving growth. A result near the top of EBITDA guidance would be stronger if it came with stable credit and cash generation. Another decline in unit profit would show that scale is arriving faster than operating leverage.