Mercedes-Benz G-Class vs Mercedes-Benz GLS-Class
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.
Mercedes-Benz G-Class
From $244,900
SUV
Diesel
210kW
12.1 L/100km
5★ ANCAP
688L
Mercedes-Benz GLS-Class
From $199,900
SUV
Petrol
270kW
10.5 L/100km
5★ ANCAP
680L
Price Breakdown
The Mercedes-Benz G-Class starts from $244,900 before on-road costs, while the Mercedes-Benz GLS-Class opens at $199,900. That makes the Mercedes-Benz GLS-Class the more affordable entry point by $45,000.
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 $269,390 and $219,890 respectively.
Over 5 years, the running costs favour the Mercedes-Benz GLS-Class by roughly $2,280 in fuel alone.
Safety Rundown
Both the Mercedes-Benz G-Class and Mercedes-Benz GLS-Class hold a 5-star ANCAP safety rating.
Where the two diverge is in active safety technology. Both models are evenly matched with 7 out of 10 key ADAS systems.
Both include the essentials: autonomous emergency braking, lane keep assist, adaptive cruise control, a reversing camera. Airbag count is 9 in the Mercedes-Benz G-Class and 9 in the Mercedes-Benz GLS-Class.
Feature Showdown
The Mercedes-Benz G-Class features a 12.3-inch touchscreen, while the Mercedes-Benz GLS-Class gets a 12.3-inch display. Apple CarPlay and Android Auto are standard across both.
The Mercedes-Benz GLS-Class counters with panoramic roof and power tailgate that the Mercedes-Benz G-Class does not offer. Which feature set matters more depends on your daily routine and priorities.
Drivetrain
The Mercedes-Benz G-Class uses a Diesel producing 210kW and 600Nm of torque, sent through a automatic to a 4WD layout. It covers the 0-100km/h sprint in 7.4 seconds.
The Mercedes-Benz GLS-Class responds with a Petrol making 270kW and 500Nm, paired to a automatic driving all four wheels. It gets to 100km/h in 5.9 seconds.
The Mercedes-Benz GLS-Class has the clear power advantage at 270kW vs 210kW. In the real-world sprint, the Mercedes-Benz GLS-Class is 1.5s quicker. For most buyers, the way each car feels day-to-day matters more than outright acceleration.
Space & Comfort
The Mercedes-Benz G-Class measures 4,624mm long on a 2,890mm wheelbase, 583mm shorter than the Mercedes-Benz GLS-Class at 5,207mm (3,135mm wheelbase). The longer wheelbase on the Mercedes-Benz GLS-Class generally means more rear legroom.
Boot space is 688L in the Mercedes-Benz G-Class and 680L in the Mercedes-Benz GLS-Class, giving the Mercedes-Benz G-Class a 8L advantage. The Mercedes-Benz GLS-Class seats 7 vs 5.
For towing, the Mercedes-Benz GLS-Class leads with a 3,500kg braked capacity vs 3,500kg. That 0kg difference matters if you regularly hitch up.
Turning Circle
Kerb-to-kerb diameter. Smaller turns easier in tight carparks and U-turns.
12.8m to 13.0m
Based on 13.0m turning circle:
- U-turn on standard street (7m+ wide)
- Standard parking bay
- Tight carparks
- Narrow laneways
Based on 12.8m 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 $3,449/year for the Mercedes-Benz G-Class and $2,993/year for the Mercedes-Benz GLS-Class. That is a $456 annual difference in favour of the Mercedes-Benz GLS-Class.
Estimated annual total: $3,449 (Mercedes-Benz G-Class) vs $2,993 (Mercedes-Benz GLS-Class). The Mercedes-Benz GLS-Class saves you roughly $456 per year in total ownership costs. Use our Fuel Cost Calculator to estimate based on your driving.
Warranty: 5 years / 999,999km (Mercedes-Benz G-Class) vs 5 years / 999,999km (Mercedes-Benz GLS-Class). Both match on warranty length.
Who Should Buy Which?
Buy the Mercedes-Benz G-Class if: You need more boot space, or prefer Mercedes-Benz's approach to design and ownership experience.
Buy the Mercedes-Benz GLS-Class if: You want the lower entry price, prioritise performance, want lower running costs, or prefer Mercedes-Benz's approach to design and ownership experience.
The Verdict
The Mercedes-Benz GLS-Class takes 4 of 5 key spec categories and comes in at a lower price. The Mercedes-Benz GLS-Class will save you roughly $456 a year in fuel. The best pick depends on what you value most. Explore the full specs for each model below.
Common questions
Which is cheapest, Mercedes-Benz G-Class and Mercedes-Benz GLS-Class?
The Mercedes-Benz GLS-Class is the cheapest at $199,900 before on-road costs. That undercuts the Mercedes-Benz G-Class by $45,000.
Which is the most fuel-efficient?
The Mercedes-Benz GLS-Class uses the least fuel at 10.5L/100km on the combined cycle.
Which is safest?
They are evenly matched — Mercedes-Benz G-Class and Mercedes-Benz GLS-Class all hold a 5-star ANCAP rating. Compare the active-safety features above to separate them.
Which has the most boot space?
The Mercedes-Benz G-Class has the largest boot at 688L.
Which can tow the most?
The Mercedes-Benz G-Class has the highest braked towing capacity at 3,500kg.
Which is the most powerful?
The Mercedes-Benz GLS-Class makes the most power at 270kW. The Mercedes-Benz GLS-Class is quickest to 100km/h in 5.9s.
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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