Audi RS 6 Avant vs BMW X4
The Audi RS 6 Avant carries more luggage and makes more power, while the BMW X4 starts about $23,000 lower and returns better fuel economy. Here is how the two compare on the numbers that decide most purchases.
| Measure | Audi RS 6 Avant | BMW X4 |
|---|---|---|
| Price rangeOriginal sticker prices across all trims. | $67,700 | $44,700–$66,700✓ |
| Years covered | 2026 | 2015–2025 |
| Fuel economyBest figure quoted across the range. | 15 mpg | 25 mpg✓ |
| Power | 600 hp✓ | 382 hp |
| Cargo space | 20 cu ft✓ | 18.5 cu ft |
| Seats | 5 | 5 |
| Fuel types | Petrol | Petrol |
| Drivetrains | AWD | AWD |
| Safety rating | — | Not rated (NHTSA) |
| Reliability | — | — |
| Insurance (yr) | — | — |
| Resale value | — | — |
| Recalls | — | 2 recalls (2025) |
Audi RS 6 Avant vs BMW X4: common questions
Is the Audi RS 6 Avant cheaper than the BMW X4?
No — the BMW X4 has the lower entry price. The Audi RS 6 Avant spans $67,700 and the BMW X4 spans $44,700–$66,700, based on original sticker prices across all trims.
Which is more fuel efficient, the Audi RS 6 Avant or the BMW X4?
The BMW X4 is more efficient, quoting 25 mpg against 15 mpg for the other.
Which has more cargo space, the Audi RS 6 Avant or the BMW X4?
The Audi RS 6 Avant holds more, at 20 cubic feet versus 18.5.
Which should I buy, the Audi RS 6 Avant or the BMW X4?
It depends on what you weight most. The Audi RS 6 Avant carries more luggage and makes more power, while the BMW X4 starts about $23,000 lower and returns better fuel economy. 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.