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Comparing the 2026 EQS 400 4MATIC® and EQS 550 4MATIC®
The EQS 550 4MATIC® delivers 536 horsepower compared to 355 in the EQS 400 4MATIC®. Both share a 118 kWh battery and tow up to 3,500 pounds when properly equipped. Review the performance differences below, then explore our current selection.
Power and Acceleration Dynamics
Both EQS SUV models use Permanently Excited Synchronous motors, but their software and current mapping set the final output. The EQS 550 4MATIC reaches 60 mph in 4.6 seconds, sports-car-level thrust for merging onto Interstate 20. The EQS 400 4MATIC completes the sprint in 5.9 seconds, still quick and with ample passing power for daily drives around Tuscaloosa. You can check EQS SUV availability online.
Battery and Range Capabilities
Both models draw from a 118 kWh battery. The EQS 400 4MATIC earns an EPA-estimated range of up to 312 miles, when properly equipped, enough to commute from Tuscaloosa to Birmingham and back several times between charges. The EQS 550 4MATIC, with AMG Line styling, earns an EPA-estimated 317 miles. You can verify the figures at fueleconomy.gov or on the EQS SUV page at Mercedes-Benz USA. For interior comfort and dimensions, read our 2026 EQS SUV overview.
| Specification | EQS 400 4MATIC® SUV | EQS 550 4MATIC® SUV |
|---|---|---|
| Horsepower | 355 hp | 536 hp |
| Torque | 590 lb-ft | 633 lb-ft |
| 0 to 60 mph | 5.9 seconds | 4.6 seconds |
| EPA-estimated range | Up to 312 miles | Up to 317 miles |
| Maximum towing | 3,500 lbs (when properly equipped) | 3,500 lbs (when properly equipped) |
Which EQS SUV Fits Your Drive?
Both EQS SUV models deliver the same quiet, refined character, a 118 kWh battery, and 4MATIC all-wheel drive, so the decision really comes down to how much performance you want. The EQS 400 4MATIC is the efficiency-minded pick, pairing the longest range in this pair with acceleration that still feels effortless around Tuscaloosa and on Interstate 20. The EQS 550 4MATIC adds a substantial jump in horsepower and a noticeably quicker 0 to 60 time, plus AMG Line styling, for drivers who want the stronger, sportier feel without giving up meaningful range. Either way, you get standard all-wheel-drive traction for wet Alabama roads, available air suspension for a smooth highway ride, and the same spacious, technology-rich cabin.
Our team can line both up so you can feel the difference in throttle response and choose the one that fits your daily drive and budget. Both also receive the same factory-trained service and Genuine Mercedes-Benz Parts at our Tuscaloosa dealership, so whichever you choose, upkeep stays simple and your investment is well supported for years of West Alabama driving. Schedule a side-by-side test drive and our team will help you weigh range against performance for your needs.
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