Audi A8 vs BMW X4 M
The Audi A8 starts about $5,900 lower, returns better fuel economy and makes more power, while the BMW X4 M carries more luggage. Here is how the two compare on the numbers that decide most purchases.
| Measure | Audi A8 | BMW X4 M |
|---|---|---|
| Price rangeOriginal sticker prices across all trims. | $67,700–$137,900✓ | $73,600–$77,900 |
| Years covered | 2015–2026 | 2020–2024 |
| Fuel economyBest figure quoted across the range. | 28 mpg✓ | 19 mpg |
| Power | 563 hp✓ | 503 hp |
| Cargo space | 17.8 cu ft | 18.5 cu ft✓ |
| Seats | 5 | 5 |
| Fuel types | Petrol, Hybrid, Diesel | Petrol |
| Drivetrains | AWD, RWD | AWD |
| Safety rating | — | Not rated |
| Reliability | — | — |
| Insurance (yr) | — | — |
| Resale value | — | — |
| Recalls | — | — |
Audi A8 vs BMW X4 M: common questions
Is the Audi A8 cheaper than the BMW X4 M?
Yes — the Audi A8 has the lower entry price. The Audi A8 spans $67,700–$137,900 and the BMW X4 M spans $73,600–$77,900, based on original sticker prices across all trims.
Which is more fuel efficient, the Audi A8 or the BMW X4 M?
The Audi A8 is more efficient, quoting 28 mpg against 19 mpg for the other.
Which has more cargo space, the Audi A8 or the BMW X4 M?
The BMW X4 M holds more, at 18.5 cubic feet versus 17.8.
Which should I buy, the Audi A8 or the BMW X4 M?
It depends on what you weight most. The Audi A8 starts about $5,900 lower, returns better fuel economy and makes more power, while the BMW X4 M 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.