Audi S7 vs BMW X3 M
The Audi S7 returns better fuel economy, while the BMW X3 M starts about $10,000 lower, carries more luggage and makes more power. Here is how the two compare on the numbers that decide most purchases.
| Measure | Audi S7 | BMW X3 M |
|---|---|---|
| Price rangeOriginal sticker prices across all trims. | $79,900–$90,795 | $69,900–$76,900✓ |
| Years covered | 2015–2025 | 2020–2024 |
| Fuel economyBest figure quoted across the range. | 22 mpg✓ | 17 mpg |
| Power | 450 hp | 503 hp✓ |
| Cargo space | 24.5 cu ft | 28.7 cu ft✓ |
| Seats | 5 | 5 |
| Fuel types | Petrol | Petrol |
| Drivetrains | AWD | AWD |
| Safety rating | — | Not rated (NHTSA) |
| Reliability | — | — |
| Insurance (yr) | — | — |
| Resale value | — | — |
| Recalls | — | — |
Audi S7 vs BMW X3 M: common questions
Is the Audi S7 cheaper than the BMW X3 M?
No — the BMW X3 M has the lower entry price. The Audi S7 spans $79,900–$90,795 and the BMW X3 M spans $69,900–$76,900, based on original sticker prices across all trims.
Which is more fuel efficient, the Audi S7 or the BMW X3 M?
The Audi S7 is more efficient, quoting 22 mpg against 17 mpg for the other.
Which has more cargo space, the Audi S7 or the BMW X3 M?
The BMW X3 M holds more, at 28.7 cubic feet versus 24.5.
Which should I buy, the Audi S7 or the BMW X3 M?
It depends on what you weight most. The Audi S7 returns better fuel economy, while the BMW X3 M starts about $10,000 lower, carries more luggage and makes more power. Here is how the two compare on the numbers that decide most purchases. Cars4Real shows both cars' full trim tables, owner reviews, safety records and depreciation so you can judge against your own priorities rather than a generic verdict.