Mercedes-Benz GLC vs Audi Q8
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 Mercedes-Benz GLC starts from $89,900 before on-road costs, while the Audi Q8 opens at $143,415. 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 $98,890 and $157,757 respectively.
Over 5 years, the running costs are nearly identical since both have similar efficiency.
Safety Rundown
Both the Mercedes-Benz GLC and Audi Q8 hold a 5-star ANCAP safety rating. Adult occupant protection scored 92% for the Mercedes-Benz GLC and 91% for the Audi Q8.
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 9 in the Mercedes-Benz GLC and 8 in the Audi Q8. The Audi Q8 adds a 360-degree camera that the Mercedes-Benz GLC misses.
Feature Showdown
The Mercedes-Benz GLC features a 11.9-inch touchscreen, while the Audi Q8 gets a 10.1-inch display. Apple CarPlay and Android Auto are standard across both.
The Audi Q8 counters with heated front seats, ventilated seats and Bang & Olufsen audio that the Mercedes-Benz GLC does not offer. Which feature set matters more depends on your daily routine and priorities.
Drivetrain
The Mercedes-Benz GLC uses a Petrol producing 150kW and 300Nm of torque, sent through a automatic to a AWD layout. It covers the 0-100km/h sprint in 8.2 seconds.
The Audi Q8 responds with a Diesel MHEV making 210kW and 600Nm, paired to a automatic driving all four wheels. It gets to 100km/h in 6.1 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 Mercedes-Benz GLC measures 4,716mm long on a 2,888mm wheelbase, 270mm shorter than the Audi Q8 at 4,986mm (2,995mm wheelbase). The longer wheelbase on the Audi Q8 generally means more rear legroom.
Boot space is 600L in the Mercedes-Benz GLC and 660L in the Audi Q8, 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 11.9m turning circle:
- U-turn on standard street (7m+ wide)
- Standard parking bay
- Tight carparks
- Narrow laneways
Based on 12.5m 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 $2,309/year for the Mercedes-Benz GLC and $2,394/year for the Audi Q8. That is a $85 annual difference in favour of the Mercedes-Benz GLC.
Estimated annual total: $2,309 (Mercedes-Benz GLC) vs $2,394 (Audi Q8). 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 (Mercedes-Benz GLC) vs 5 years / 999,999km (Audi Q8). Both match on warranty length.
Who Should Buy Which?
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.
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.
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, Mercedes-Benz GLC and Audi Q8?
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 — Mercedes-Benz GLC and Audi Q8 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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