Audi A8 vs BMW X6 M
The Audi A8 starts about $34,400 lower and returns better fuel economy, while the BMW X6 M carries more luggage and makes more power. Here is how the two compare on the numbers that decide most purchases.
| Measure | Audi A8 | BMW X6 M |
|---|---|---|
| Price rangeOriginal sticker prices across all trims. | $67,700–$137,900✓ | $102,100–$134,600 |
| Years covered | 2015–2026 | 2015–2026 |
| Fuel economyBest figure quoted across the range. | 28 mpg✓ | 16 mpg |
| Power | 563 hp | 617 hp✓ |
| Cargo space | 17.8 cu ft | 27.4 cu ft✓ |
| Seats | 5 | 5 |
| Fuel types | Petrol, Hybrid, Diesel | Petrol |
| Drivetrains | AWD, RWD | AWD |
| Safety rating | Not rated (NHTSA) | Not rated (NHTSA) |
| Reliability | — | — |
| Insurance (yr) | — | — |
| Resale value | — | — |
| Recalls | — | — |
Audi A8 vs BMW X6 M: common questions
Is the Audi A8 cheaper than the BMW X6 M?
Yes — the Audi A8 has the lower entry price. The Audi A8 spans $67,700–$137,900 and the BMW X6 M spans $102,100–$134,600, based on original sticker prices across all trims.
Which is more fuel efficient, the Audi A8 or the BMW X6 M?
The Audi A8 is more efficient, quoting 28 mpg against 16 mpg for the other.
Which has more cargo space, the Audi A8 or the BMW X6 M?
The BMW X6 M holds more, at 27.4 cubic feet versus 17.8.
Which should I buy, the Audi A8 or the BMW X6 M?
It depends on what you weight most. The Audi A8 starts about $34,400 lower and returns better fuel economy, while the BMW X6 M 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.