CarMax Inc (KMX)vsRio Tinto ADR (RIO)
KMX
CarMax Inc
$40.34
+1.08%
CONSUMER CYCLICAL · Cap: $5.66B
RIO
Rio Tinto ADR
$105.38
+2.20%
BASIC MATERIALS · Cap: $171.59B
Smart Verdict
WallStSmart Research — data-driven comparison
Rio Tinto ADR generates 108% more annual revenue ($57.64B vs $27.76B). RIO leads profitability with a 17.3% profit margin vs 0.9%. KMX appears more attractively valued with a PEG of 0.38. RIO earns a higher WallStSmart Score of 54/100 (C-).
KMX
Buy52
out of 100
Grade: C-
RIO
Buy54
out of 100
Grade: C-
Intrinsic Value Comparison
Multi-model valuation · Graham Formula
Margin of Safety
+83.0%
Fair Value
$270.07
Current Price
$40.34
$229.73 discount
Margin of Safety
+33.7%
Fair Value
$147.89
Current Price
$105.38
$42.51 discount
Key Strengths & Concerns
Side-by-side fundamental analysis
Key Strengths
Growing faster than its price suggests
Reasonable price relative to book value
Large-cap with strong market position
Attractively priced relative to earnings
Reasonable price relative to book value
Strong operational efficiency at 25.3%
Generating 2.5B in free cash flow
Areas to Watch
Distress zone — elevated risk
ROE of 4.1% — below average capital efficiency
0.9% margin — thin
Operating margin of 1.8%
Expensive relative to growth rate
Earnings declined 5.6%
Comparative Analysis Report
WallStSmart ResearchBull Case : KMX
The strongest argument for KMX centers on PEG Ratio, Price/Book. PEG of 0.38 suggests the stock is reasonably priced for its growth.
Bull Case : RIO
The strongest argument for RIO centers on Market Cap, P/E Ratio, Price/Book. Profitability is solid with margins at 17.3% and operating margin at 25.3%. Revenue growth of 14.6% demonstrates continued momentum.
Bear Case : KMX
The primary concerns for KMX are Altman Z-Score, Return on Equity, Profit Margin. Debt-to-equity of 2.75 is elevated, increasing financial risk. Thin 0.9% margins leave little buffer for downturns.
Bear Case : RIO
The primary concerns for RIO are PEG Ratio, EPS Growth.
Key Dynamics to Monitor
KMX profiles as a value stock while RIO is a mature play — different risk/reward profiles.
KMX carries more volatility with a beta of 1.18 — expect wider price swings.
RIO is growing revenue faster at 14.6% — sustainability is the question.
RIO generates stronger free cash flow (2.5B), providing more financial flexibility.
Bottom Line
RIO scores higher overall (54/100 vs 52/100), backed by strong 17.3% margins and 14.6% revenue growth. KMX offers better value entry with a 83.0% margin of safety. Both earn "Buy" and "Buy" ratings respectively — the choice depends on your investment horizon and risk tolerance.
This analysis is generated from publicly available financial data. Not financial advice.
CarMax Inc
CONSUMER CYCLICAL · AUTO & TRUCK DEALERSHIPS · USA
CarMax is a used vehicle retailer based in the United States. It operates two business segments: CarMax Sales Operations and CarMax Auto Finance.
Visit Website →Rio Tinto ADR
BASIC MATERIALS · OTHER INDUSTRIAL METALS & MINING · USA
Rio Tinto Group is dedicated to the exploration, extraction and processing of mineral resources worldwide. The company is headquartered in London, the United Kingdom.
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