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Audi Q8 vs Mercedes-Benz GLS: Luxury SUV Comparison, Price, Comfort and Reliability

Compare price, reliability, performance, daily driving, maintenance cost, comfort and fuel economy on one dedicated page.

Quick Verdict

The Audi Q8 is the better pick under the default priority weights, while the Mercedes-Benz GLS can still make more sense if you weight price, running cost, comfort or performance differently.

2024 Audi Q8 vs 2024 Mercedes-Benz GLS: which is better for your priorities?

The 2024 Audi Q8 vs 2024 Mercedes-Benz GLS comparison is built for drivers who want a direct side-by-side view before making a shortlist. If you are asking which is better between 2024 Audi Q8 and 2024 Mercedes-Benz GLS, this page brings the most important numbers together in one place, including horsepower, 0-100 km/h performance, top speed, engine details, price, and fuel consumption. Some matchups look obvious at first glance, but the better choice often changes once you compare acceleration, high-speed performance, and day-to-day costs in the same view. That makes it easier to separate headline speed from real-world value without jumping between multiple tabs.

On power, 2024 Mercedes-Benz GLS leads the matchup with 375 hp against 335 hp. For 0-100 km/h, 2024 Audi Q8 is quicker at 5.9 seconds versus 6.1 seconds. At the top end, 2024 Audi Q8 reaches 250 km/h, compared with 246 km/h. 2024 Audi Q8 uses 55 TFSI quattro, while 2024 Mercedes-Benz GLS comes with 450 4MATIC 3.0.

Price can shift the answer depending on your budget: 2024 Audi Q8 is listed at $73,700, while 2024 Mercedes-Benz GLS comes in at $88,150. If running costs matter, 2024 Audi Q8 looks more efficient on paper at 10.0 L/100km versus 10.5 L/100km. The full comparison table adds more context beyond the headline figures, so you can judge where the performance gap is meaningful and where the differences are smaller than expected. Use the detailed table below to decide whether 2024 Audi Q8 or 2024 Mercedes-Benz GLS is the better fit for your priorities, whether that means speed, character, efficiency, or overall value.

Power: 335 hp vs 375 hp 0-100 km/h: 5.9 s vs 6.1 s Top speed: 250 km/h vs 246 km/h
VS

Performance Comparison

For performance, compare power, 0-100 km/h acceleration and top speed together. Audi Q8 records 335 hp, 5.9 seconds to 100 km/h and 250 km/h, while Mercedes-Benz GLS records 375 hp, 6.1 seconds and 246 km/h.

Price and Value

Price changes the answer because a quicker car is not always the better buy. Audi Q8 is listed at $73,700, while Mercedes-Benz GLS is listed at $88,150. Use the price gap together with performance and equipment to judge real value.

Interior and Comfort

Interior and comfort matter most if this will be a daily car. Audi Q8 and Mercedes-Benz GLS should be judged by seating position, cabin space, ride quality, visibility, infotainment and long-distance refinement, not only by acceleration numbers.

Reliability

Reliability is best judged by ownership history, service records and common repair patterns for each model. Before choosing between Audi Q8 and Mercedes-Benz GLS, check known issues, warranty coverage and how easily each car can be serviced where you live.

Maintenance Cost

Maintenance cost can outweigh a small purchase-price difference. For Audi Q8 vs Mercedes-Benz GLS, compare scheduled servicing, tires, brakes, insurance, parts availability and depreciation before deciding which one is cheaper to own.

Fuel Economy

Fuel economy is part of the long-term cost picture. Audi Q8 is rated at 10.0 L/100km, while Mercedes-Benz GLS is rated at 10.5 L/100km. For high-mileage drivers, even a small efficiency difference can matter.

Daily Driving

For daily driving, the better choice is the one that feels easier to live with. Compare Audi Q8 and Mercedes-Benz GLS by ride comfort, parking ease, cargo space, fuel use, road noise and how relaxed each car feels in traffic.

Priority verdict

Category winners for this matchup

Best Performance
2024 Audi Q8

Highest weighted performance score from power, acceleration, and top speed (67/100).

Best Value
2024 Audi Q8

Best mix of price, performance, and efficiency (88/100).

Best Daily Driver
2024 Audi Q8

Best everyday balance of price, efficiency, practicality, and model year (82/100).

Lowest Running Cost
2024 Audi Q8

Lowest cost score from recorded consumption and listed price (100/100).

Best for Long Trips
2024 Audi Q8

Best long-trip score from efficiency, cabin-size proxy, power, and top speed (65/100).

Priority Pick
2024 Audi Q8

Using default weights: performance 40%, price 30%, fuel cost 20%, practicality 10%.

2024 Audi Q8

Pros

  • Quicker 0-100 km/h
  • Higher top speed
  • Lower price

Cons

  • Less power

2024 Mercedes-Benz GLS

Pros

  • More power

Cons

  • Slower off the line
  • Lower top speed
  • Higher price
Buyer guide

Which One Should You Buy?

Choose the 2024 Audi Q8 if:

You prioritize a lower listed price, quicker 0-100 km/h acceleration, and a higher top speed.

Choose the 2024 Mercedes-Benz GLS if:

You prioritize stronger horsepower and all-wheel-drive traction.

Power
335 hp vs 375 hp
0-100 km/h
5.9 s vs 6.1 s
Top Speed
250 km/h vs 246 km/h
Technical data

2024 Audi Q8 vs 2024 Mercedes-Benz GLS specification table

Use this table to compare the recorded figures side by side. Highlighted values mark the stronger measurable result where a direct comparison is possible.

Metric 2024 Audi Q8 2024 Mercedes-Benz GLS Source / standard
Power 335 hp 375 hp Manufacturer or public specification source; confirm exact local trim.
0-100 km/h 5.9 s 6.1 s Manufacturer or public specification source; confirm exact local trim.
Top Speed 250 km/h 246 km/h Manufacturer or public specification source; confirm exact local trim.
Engine 55 TFSI quattro 450 4MATIC 3.0 Manufacturer or public specification source; confirm exact local trim.
Length 485 cm est. 465 cm est. Recorded dimensions when available; estimated values are marked est.
Width 195 cm est. 184 cm est. Recorded dimensions when available; estimated values are marked est.
Weight 2150 kg est. 1580 kg est. Recorded dimensions when available; estimated values are marked est.
Price $73,700 $88,150 Listed market value; market context appears in the transparency panel.
Consumption 10.0 L/100km 10.5 L/100km Manufacturer, EPA, WLTP, or public economy figure when available.

Data may vary by trim, market, tires, battery, transmission, model year and testing method. Confirm exact specifications with the manufacturer or seller before making a purchase decision.

Data transparency

CarQuantix is an independently developed vehicle research platform. Data is collected from manufacturer and public automotive sources and manually reviewed before publication when source data is available.

Reviewed by CarQuantix data review (independently developed platform)
Last updated 2026-07-08
Market used US
Test standard Manufacturer/public specification baseline
Source policy Manufacturer and public automotive sources; manually reviewed before publication when source data is available.
Report incorrect data

Include the model year, trim, market, the field that looks wrong, and the source you are using.

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Sources and data notes

Specifications and figures are compiled from manufacturer information, public vehicle databases, safety organizations, fuel economy references and editorial review. Exact values can vary by trim, market, tire, battery, transmission and model year.

FAQ

Which is better, Audi Q8 or Mercedes-Benz GLS?

The Audi Q8 is the better pick under the default priority weights, while the Mercedes-Benz GLS can still make more sense if you weight price, running cost, comfort or performance differently.

Which is faster, Audi Q8 or Mercedes-Benz GLS?

Compare horsepower, 0-100 km/h and top speed together. Audi Q8 has 335 hp and a 250 km/h top speed, while Mercedes-Benz GLS has 375 hp and a 246 km/h top speed.

Which is better for daily driving?

For daily driving, compare comfort, running cost, visibility, cabin space and reliability. The better daily choice between Audi Q8 and Mercedes-Benz GLS depends on those ownership priorities more than headline speed alone.

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