Audi RS 6 Avant vs BMW X6
The Audi RS 6 Avant makes more power, while the BMW X6 starts about $7,100 lower, returns better fuel economy and carries more luggage. Here is how the two compare on the numbers that decide most purchases.
| Measure | Audi RS 6 Avant | BMW X6 |
|---|---|---|
| Price rangeOriginal sticker prices across all trims. | $67,700 | $60,600–$89,300✓ |
| Years covered | 2026 | 2015–2026 |
| Fuel economyBest figure quoted across the range. | 15 mpg | 27 mpg✓ |
| Power | 600 hp✓ | 523 hp |
| Cargo space | 20 cu ft | 27.4 cu ft✓ |
| Seats | 5 | 5 |
| Fuel types | Petrol | Petrol |
| Drivetrains | AWD | RWD, AWD |
| Safety rating | — | Not rated |
| Reliability | — | — |
| Insurance (yr) | — | — |
| Resale value | — | — |
| Recalls | — | — |
Audi RS 6 Avant vs BMW X6: common questions
Is the Audi RS 6 Avant cheaper than the BMW X6?
No — the BMW X6 has the lower entry price. The Audi RS 6 Avant spans $67,700 and the BMW X6 spans $60,600–$89,300, based on original sticker prices across all trims.
Which is more fuel efficient, the Audi RS 6 Avant or the BMW X6?
The BMW X6 is more efficient, quoting 27 mpg against 15 mpg for the other.
Which has more cargo space, the Audi RS 6 Avant or the BMW X6?
The BMW X6 holds more, at 27.4 cubic feet versus 20.
Which should I buy, the Audi RS 6 Avant or the BMW X6?
It depends on what you weight most. The Audi RS 6 Avant makes more power, while the BMW X6 starts about $7,100 lower, returns better fuel economy and carries more luggage. 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.