Audi A8 vs BMW M3

The Audi A8 returns better fuel economy, carries more luggage and makes more power, while the BMW M3 starts about $5,700 lower. Here is how the two compare on the numbers that decide most purchases.

Specification comparison between the Audi A8 and the BMW M3
MeasureAudi A8BMW M3
Price rangeOriginal sticker prices across all trims.$67,700–$137,900$62,000–$118,700
Years covered2015–20262015–2026
Fuel economyBest figure quoted across the range.28 mpg20 mpg
Power563 hp543 hp
Cargo space17.8 cu ft13 cu ft
Seats55
Fuel typesPetrol, Hybrid, DieselPetrol
DrivetrainsAWD, RWDRWD, AWD
Safety ratingNot rated (NHTSA)Not rated (NHTSA)
Reliability
Insurance (yr)
Resale value
Recalls1 recall (2023)
Audi A8
Full specs, every trim and owner reviews →
BMW M3
Full specs, every trim and owner reviews →

Audi A8 vs BMW M3: common questions

Is the Audi A8 cheaper than the BMW M3?

No — the BMW M3 has the lower entry price. The Audi A8 spans $67,700–$137,900 and the BMW M3 spans $62,000–$118,700, based on original sticker prices across all trims.

Which is more fuel efficient, the Audi A8 or the BMW M3?

The Audi A8 is more efficient, quoting 28 mpg against 20 mpg for the other.

Which has more cargo space, the Audi A8 or the BMW M3?

The Audi A8 holds more, at 17.8 cubic feet versus 13.

Which should I buy, the Audi A8 or the BMW M3?

It depends on what you weight most. The Audi A8 returns better fuel economy, carries more luggage and makes more power, while the BMW M3 starts about $5,700 lower. 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.

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