Audi A8 L 70 TDI vs Audi A6 4.0 TFSI

Audi A8 L 70 TDI

Sedan · Diesel · AWD

Audi A6 4.0 TFSI

Sedan · Gasoline · AWD

Car A

Audi A8 L 70 TDI

The Audi A8 L 70 TDI blends strong diesel performance and AWD confidence with efficiency that suits long road trips. It’s a premium choice with five seats and a useful 505 L trunk, best for buyers prioritizing power and all-weather comfort over cargo-maximizing needs.

5 seatsSedanDiesel5-star safety6.3 L/100kmAWD

Car B

Audi A6 4.0 TFSI

A powerful AWD premium A6 with 560 hp and a strong safety ranking, it pairs rapid acceleration with space for five and a 530-liter trunk for long trips. Expect higher fuel use and a price aimed at buyers who prioritize performance.

5 seatsSedanGasoline5-star safety560 hpAWD

Why compared same body typesame ranking profilesame seatssimilar pricestrong ranking match

Usage fit

Family 54 / 63

City 31 / 24

Budget / value 25 / 33

Road trip 71 / 70

Performance 42 / 50

Cargo 28 / 29

Practical 33 / 41

Premium 68 / 72

Winter 70 / 70

Scores out of 100. Blue = Audi A8 L 70 TDI · Orange = Audi A6 4.0 TFSI

Specs side-by-side

Spec Audi A8 L 70 TDI Audi A6 4.0 TFSI

Values are representative — confirm for your market and trim.

Pros & cons

Audi A8 L 70 TDI

Abundant passing power from 340 hp and 800 Nm.
AWD traction supports winter and wet-road confidence.
Efficient for its class at 6.3 combined consumption on long trips.
Five seats and a 505 L trunk work well for family road travel.
Premium price of 86,700 may exceed budget-focused expectations.
Diesel powertrain may not align with your fueling preferences.
No electrified driving capability.
Five seats and a 505 L trunk may not satisfy larger families or cargo-heavy use.

Audi A6 4.0 TFSI

High-output V8 twin-turbo performance (560 hp, 700 Nm) with a quick 0–100 in 4.4 s
AWD traction boosts confidence on wet or winter roads
Seats five and offers a 530 L trunk for road trips and growing families
Strong safety ranking signal for its profile
Combined consumption of 10.1 leads to higher running costs
Less suited to stop-and-go city driving per usage signals
Conventional trunk limits flexibility for cargo-heavy use despite 530 L capacity
87,000 price may exceed budgets if you don’t need this level of power

Verdict

Pick Audi A8 L 70 TDI if…

Best fuel economy

Audi A8 L 70 TDI uses 6.3 L/100km vs 10.1 — a meaningful saving if you cover high mileage.

Pick Audi A6 4.0 TFSI if…

More power

Audi A6 4.0 TFSI puts out 560 hp vs 340 — meaningfully quicker and more confident on motorways.

Usage fit

Specs side-by-side

Pros & cons

Audi A8 L 70 TDI

Audi A6 4.0 TFSI

Verdict

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