Audi A6 vs BMW 5 Series
The Audi A6 starts about $5,150 lower, returns better fuel economy and carries more luggage, while the BMW 5 Series makes more power. Here is how the two compare on the numbers that decide most purchases.
| Measure | Audi A6 | BMW 5 Series |
|---|---|---|
| Price rangeOriginal sticker prices across all trims. | $44,800–$74,395✓ | $49,950–$79,900 |
| Years covered | 2015–2026 | 2015–2026 |
| Fuel economyBest figure quoted across the range. | 29 mpg✓ | 28 mpg |
| Power | 362 hp | 523 hp✓ |
| Cargo space | 30 cu ft✓ | 18.7 cu ft |
| Seats | 5 | 5 |
| Fuel types | Petrol, Diesel | Petrol, Diesel, Hybrid |
| Drivetrains | FWD, AWD | RWD, AWD |
| Safety rating | — | Not rated (NHTSA) |
| Reliability | — | — |
| Insurance (yr) | — | — |
| Resale value | — | — |
| Recalls | — | 4 recalls (2025) |
Audi A6 vs BMW 5 Series: common questions
Is the Audi A6 cheaper than the BMW 5 Series?
Yes — the Audi A6 has the lower entry price. The Audi A6 spans $44,800–$74,395 and the BMW 5 Series spans $49,950–$79,900, based on original sticker prices across all trims.
Which is more fuel efficient, the Audi A6 or the BMW 5 Series?
The Audi A6 is more efficient, quoting 29 mpg against 28 mpg for the other.
Which has more cargo space, the Audi A6 or the BMW 5 Series?
The Audi A6 holds more, at 30 cubic feet versus 18.7.
Which should I buy, the Audi A6 or the BMW 5 Series?
It depends on what you weight most. The Audi A6 starts about $5,150 lower, returns better fuel economy and carries more luggage, while the BMW 5 Series 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.