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2026 Mercedes-Benz G 550 4MATIC SUV — including city vs highway fuel economy, performance, and key specs:
🚙 Overview — 2026 Mercedes-Benz G 550 4MATIC
The 2026 G 550 continues the iconic and rugged G-Class tradition with modern tech and a refreshed powertrain:
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Engine: 3.0 L turbocharged inline-6 with mild-hybrid (Integrated Starter Generator).
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Horsepower: ~443 hp.
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Torque: ~413 lb-ft.
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Transmission: 9-speed automatic.
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Drivetrain: Permanent all-wheel drive (4MATIC).
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Towing Capacity: ~7,000 lbs.
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0-60 mph: ~5.3 sec (estimated).
This SUV blends luxury and serious off-road capability with on-road performance.
⛽ Fuel Economy — City vs Highway
EPA Fuel Economy (2026 G 550 4MATIC):
| Driving Condition | EPA Estimate |
|---|---|
| City | ~17 mpg |
| Highway | ~19 mpg |
| Combined | ~18 mpg |
What These Numbers Mean
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In city traffic, expect around 17 mpg, reflecting the heavy SUV weight, AWD system, and off-road capable gearing.
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On highway cruises, efficiency creeps up slightly to around 19 mpg, because steady speeds help aerodynamics and drivetrain efficiency.
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Typical combined fuel economy lands near 18 mpg.
So highway driving generally nets a bit better fuel economy than stop-and-go urban traffic — a common pattern for large SUVs.
🛠️ Additional Key Specs
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Fuel Tank: ~26.4 gallons.
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Cargo Space: ~37.4 cu ft behind rear seats.
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Interior & Tech: Latest MBUX infotainment, premium leather trim, driver assists, and customization options.
📌 Summary — 2026 G 550 Fuel Economy
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City: ~17 mpg
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Highway: ~19 mpg
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Combined: ~18 mpg
This reflects typical expectations for a large luxury AWD SUV with rugged capability and a powerful engine — prioritizing performance and off-road readiness alongside everyday drivability.
If you want, I can also compare how the G 550’s fuel economy and performance stack up against the AMG G 63 or other luxury SUVs like the Land Rover Defender or Range Rover.
