Audi A8 L 50 TDI vs Audi A6 4.0 TFSI

Audi A8 L 50 TDI

Sedan · Diesel · AWD

Audi A6 4.0 TFSI

Sedan · Gasoline · AWD

Car A

Audi A8 L 50 TDI

A premium AWD diesel with strong torque and long-haul efficiency, the A8 L 50 TDI suits road trips and year-round commuting. It’s quick and spacious for five with a 505 L trunk, but it won’t satisfy tight budgets or cargo-heavy needs.

5 seatsSedanDiesel5-star safety6.7 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 30 / 24

Budget / value 24 / 33

Road trip 71 / 70

Performance 40 / 50

Cargo 28 / 29

Practical 33 / 41

Premium 67 / 72

Winter 70 / 70

Scores out of 100. Blue = Audi A8 L 50 TDI · Orange = Audi A6 4.0 TFSI

Specs side-by-side

Spec Audi A8 L 50 TDI Audi A6 4.0 TFSI

Values are representative — confirm for your market and trim.

Pros & cons

Audi A8 L 50 TDI

Diesel efficiency (6.7 L/100 km) supports long-distance road trips
600 Nm torque and 286 hp make overtakes effortless
AWD adds confidence in winter and poor weather
505 L trunk and five seats suit growing families
Price of 86,900 doesn’t align with budget-focused priorities
Diesel-only powertrain won’t suit buyers avoiding diesel
Not designed for cargo-heavy hauling despite a large trunk
0–100 km/h in 5.9 s may not satisfy maximum-acceleration seekers

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 50 TDI if…

Best fuel economy

Audi A8 L 50 TDI uses 6.7 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 286 — meaningfully quicker and more confident on motorways.

Usage fit

Specs side-by-side

Pros & cons

Audi A8 L 50 TDI

Audi A6 4.0 TFSI

Verdict

Related comparisons