Audi Q8 vs Mercedes-Benz GLC
A detailed look at how two of Australia's most popular SUVs compare on price, running costs, safety, and everyday livability.
Specifications and pricing correct at time of publishing. Prices are RRP before on-road costs unless stated otherwise. Always confirm with the manufacturer or dealer before purchasing.
Price Breakdown
The Audi Q8 starts from $143,415 before on-road costs, while the Mercedes-Benz GLC opens at $89,900. That makes the Mercedes-Benz GLC the more affordable entry point by $53,515.
Once you factor in stamp duty, registration, CTP insurance, and dealer delivery, expect to add roughly 8-12% on top of the RRP depending on your state. That puts estimated driveaway prices in the ballpark of $157,757 and $98,890 respectively.
Over 5 years, the running costs are nearly identical since both have similar efficiency.
Safety Rundown
Both the Audi Q8 and Mercedes-Benz GLC hold a 5-star ANCAP safety rating. Adult occupant protection scored 91% for the Audi Q8 and 92% for the Mercedes-Benz GLC.
Where the two diverge is in active safety technology. The Audi Q8 packs more ADAS features with 9 out of 10 key systems fitted, compared to 6 in the Mercedes-Benz GLC.
Both include the essentials: autonomous emergency braking, lane keep assist, adaptive cruise control, a reversing camera. Airbag count is 8 in the Audi Q8 and 9 in the Mercedes-Benz GLC. The Audi Q8 adds a 360-degree camera that the Mercedes-Benz GLC misses.
Feature Showdown
The Audi Q8 features a 10.1-inch touchscreen, while the Mercedes-Benz GLC gets a 11.9-inch display. Apple CarPlay and Android Auto are standard across both.
The Audi Q8 stands out with heated front seats, ventilated seats and Bang & Olufsen audio that you will not find on the Mercedes-Benz GLC. Which feature set matters more depends on your daily routine and priorities.
Drivetrain
The Audi Q8 uses a Diesel MHEV producing 210kW and 600Nm of torque, sent through a automatic to a AWD layout. It covers the 0-100km/h sprint in 6.1 seconds.
The Mercedes-Benz GLC responds with a Petrol making 150kW and 300Nm, paired to a automatic driving all four wheels. It gets to 100km/h in 8.2 seconds.
The Audi Q8 has the clear power advantage at 210kW vs 150kW. In the real-world sprint, the Audi Q8 is 2.1s quicker. For most buyers, the way each car feels day-to-day matters more than outright acceleration.
Space & Comfort
The Audi Q8 measures 4,986mm long on a 2,995mm wheelbase, 270mm longer than the Mercedes-Benz GLC at 4,716mm (2,888mm wheelbase). The longer wheelbase on the Audi Q8 generally means more rear legroom.
Boot space is 660L in the Audi Q8 and 600L in the Mercedes-Benz GLC, giving the Audi Q8 a 60L advantage.
For towing, the Audi Q8 leads with a 3,500kg braked capacity vs 2,000kg. That 1,500kg difference matters if you regularly hitch up.
Turning Circle
Kerb-to-kerb diameter. Smaller turns easier in tight carparks and U-turns.
11.9m to 12.5m
Based on 12.5m turning circle:
- U-turn on standard street (7m+ wide)
- Standard parking bay
- Tight carparks
- Narrow laneways
Based on 11.9m turning circle:
- U-turn on standard street (7m+ wide)
- Standard parking bay
- Tight carparks
- Narrow laneways
Turning circle ratings
True Cost to Own
Based on 15,000km of annual driving, fuel costs roughly $2,394/year for the Audi Q8 and $2,309/year for the Mercedes-Benz GLC. That is a $85 annual difference in favour of the Mercedes-Benz GLC.
Estimated annual total: $2,394 (Audi Q8) vs $2,309 (Mercedes-Benz GLC). The Mercedes-Benz GLC saves you roughly $85 per year in total ownership costs. Use our Fuel Cost Calculator to estimate based on your driving.
Warranty: 5 years / 999,999km (Audi Q8) vs 5 years / 999,999km (Mercedes-Benz GLC). Both match on warranty length.
Who Should Buy Which?
Buy the Audi Q8 if: You prioritise performance, need more boot space, need stronger towing, or prefer Audi's approach to design and ownership experience.
Buy the Mercedes-Benz GLC if: You want the lower entry price, want lower running costs, or prefer Mercedes-Benz's approach to design and ownership experience.
The Verdict
The Audi Q8 takes 4 of 6 key spec categories. The Mercedes-Benz GLC will save you roughly $85 a year in fuel. If boot space matters, the Audi Q8 has a clear edge. The best pick depends on what you value most. Explore the full specs for each model below.
Common questions
Which is cheapest, Audi Q8 and Mercedes-Benz GLC?
The Mercedes-Benz GLC is the cheapest at $89,900 before on-road costs. That undercuts the Audi Q8 by $53,515.
Which is the most fuel-efficient?
The Mercedes-Benz GLC uses the least fuel at 8.1L/100km on the combined cycle.
Which is safest?
They are evenly matched — Audi Q8 and Mercedes-Benz GLC all hold a 5-star ANCAP rating. Compare the active-safety features above to separate them.
Which has the most boot space?
The Audi Q8 has the largest boot at 660L.
Which can tow the most?
The Audi Q8 has the highest braked towing capacity at 3,500kg.
Which is the most powerful?
The Audi Q8 makes the most power at 210kW. The Audi Q8 is quickest to 100km/h in 6.1s.
Disclaimer: All information in this comparison was believed to be correct at the time of publishing (20 April 2026). Prices are manufacturer recommended retail prices (RRP) and may vary by state, dealer, and options. Driveaway costs include estimated on-road costs for Victoria. Fuel economy figures are WLTP/ADR combined cycle. Specifications can change without notice. Always verify with the manufacturer before making a purchase decision. CarSorted does not accept payment for recommendations.
Auto-generated from CarSorted's specification data · 20 April 2026
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