KMX vs PAG
As of Sep 20, 2026, Carmax (KMX) scores 4.8/10 and Penske Automotive Group (PAG) 8.2/10 on AlphaStocks' five-model composite, so PAG scores higher. KMX trades 58% above its model fair value.
KMX
CARMAX INC
4.8
Weak
$57.20
PAG
PENSKE AUTOMOTIVE GROUP, INC.
8.2
Strong Buy
$212.54
KMX vs PAG: Which is the Better Investment?
CARMAX INC (KMX) scores 4.8/10 while PENSKE AUTOMOTIVE GROUP, INC. (PAG) scores 8.2/10 on AlphaStocks' composite model. PENSKE AUTOMOTIVE GROUP, INC. has the higher composite rating of Strong Buy. On a P/E basis, PENSKE AUTOMOTIVE GROUP, INC. trades at 15.0x, making it the more attractively priced of the two.
This comparison is algorithmically generated and is not financial advice.
| Metric | KMX | PAG |
|---|---|---|
| Scores & Fundamentals | ||
| Composite Score | 4.8/10 | 8.2/10▲ |
| Rating | Weak | Strong Buy▲ |
| Price | $57.20 | $212.54 |
| P/E Ratio | 34.1 | 15.0▲ |
| ROE | 4.1% | 16.6%▲ |
| Market Cap | $8B | $14B |
| Fair Value | $36.17 | — |
| Dividend Yield | — | 2.7% |
| Sector Rank | #90 of 194 | #2 of 194▲ |
| Model Verdicts | ||
| Piotroski | Attractive | Strong▲ |
| Buffett | Caution | Strong▲ |
| Graham | Neutral | Neutral |
| Lynch | Caution | Attractive▲ |
| Greenblatt | Caution | Strong▲ |
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KMX vs PAG: Which Stock Scores Higher?
CARMAX INC (KMX) and PENSKE AUTOMOTIVE GROUP, INC. (PAG) are both in the Consumer Discretionary sector. PAG currently leads with a composite score of 8.2/10 (Strong Buy) compared to KMX's 4.8/10 (Weak).
The AlphaStocks composite score evaluates each stock across four dimensions: Quality (business strength measured by Piotroski F-Score and Buffett quality criteria), Value (discount to intrinsic worth using Graham, Lynch, and Greenblatt models), Momentum (6-month price trend), and Timing (a confirmation signal that requires both value and momentum to align). A higher composite score indicates stronger overall fundamentals combined with favorable market conditions.
This comparison uses the same scoring framework for both companies, ensuring an apples-to-apples evaluation. Scores are recalculated daily after market close using data from SEC filings and market prices. Read the full methodology to understand how each model contributes to the composite score.
Scores are algorithm-generated research tools, not investment recommendations. Past performance does not guarantee future results. Always do your own due diligence. Full disclaimer