The fuel efficiency of the 2024 Mercedes-Benz GLS compared to the Volvo XC90 T8 shows a clear difference, particularly due to the hybrid capabilities of the XC90 T8.

Volvo XC90 T8

• Electric-Only Mode: Approximately 120 MPGe (miles per gallon equivalent), with a range of around 32 miles.
• Combined Efficiency: Around 27 MPG when considering both electric and gasoline power.

2024 Mercedes-Benz GLS

• Gasoline Models: The GLS 450 achieves approximately 19 MPG in the city, 24 MPG on the highway, and 21 MPG combined (or around 18 MPG on average for some configurations).
• The GLS generally runs solely on gasoline, making it less fuel-efficient compared to the hybrid capability of the XC90 T8.

Summary

In summary, the Volvo XC90 T8 offers a more favorable fuel efficiency, particularly with its hybrid system and electric-only capabilities, achieving higher MPGe ratings. In contrast, the Mercedes-Benz GLS provides solid gas mileage but lacks the electric efficiency, with its figures sitting around 18-21 MPG combined depending on the specific model.

For those prioritizing fuel economy and hybrid technology, the XC90 T8 appears to be the better option. However, the GLS offers a more traditional luxury SUV experience with respectable gasoline efficiency.

Sources

2024 Mercedes-Benz GLS-Class MPG & Gas Mileage Data - Edmundshttps://www.fueleconomy.gov/feg/bymodel/2024_Merce...2024 Mercedes Benz Fuel Economy RatingsMercedes-Benz GLS Fuel Economy2024 Mercedes-Benz GLS-Class Prices, Reviews, and Photos2024 Mercedes-Benz GLS-Class - Pricing - Review - Edmunds2024 Mercedes-Benz GLS 450 4MATIC Price & Specifications

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