Mercedes GLS 580 vs Lexus LX 600

Name: Mercedes GLS 580 vs Lexus LX 600 — Comparison Review
Item: Mercedes GLS 580 vs Lexus LX 600
Rating: 7.8
Author: Billy G.

By Billy G. · Founder & Lead EditorVerified Oct 14 by Billy G.

Mercedes GLS 580

Lexus LX 600

Decision sheet: the facts that decide it

Mercedes GLS 580: 8 of 15 decision facts sourced. Missing: Starting MSRP, Combined MPG, Annual fuel cost, NHTSA overall, Recalls (model year), Owner complaints (NHTSA), Powertrain warranty.

Lexus LX 600: 0 of 15 decision facts sourced. Missing: Starting MSRP, Engine, Horsepower, Torque, Drivetrain, Transmission, Combined MPG, Annual fuel cost, and 7 more.

	Mercedes GLS 580	Lexus LX 600
Engine	4.0L V8 biturbo with mild hybrid drive mbusa.com	Not yet sourced
Horsepower	530 hp @ 5,500 rpm mbusa.com	Not yet sourced
Torque	553 lb-ft @ 2,000-4,000 rpm mbusa.com	Not yet sourced
Drivetrain	4MATIC® fully variable all-wheel drive mbusa.com	Not yet sourced
Transmission	9G-TRONIC 9-speed mbusa.com	Not yet sourced
Basic warranty	4 years/50,000 miles mbusa.com	Not yet sourced
Seating	6 mbusa.com	Not yet sourced
Cargo volume	17.4-84.9 cu ft mbusa.com	Not yet sourced

Not yet sourced — Mercedes GLS 580: Starting MSRP, Combined MPG, Annual fuel cost, NHTSA overall, Recalls (model year), Owner complaints (NHTSA), Powertrain warranty. Lexus LX 600: Starting MSRP, Engine, Horsepower, Torque, Drivetrain, Transmission, Combined MPG, Annual fuel cost, NHTSA overall, Recalls (model year), Owner complaints (NHTSA), Basic warranty, Powertrain warranty, Seating, Cargo volume. No manufacturer, official or retailer source we read publishes these yet; we don't estimate them.

Pick Lexus LX 600 if

Lower price today — $899.89 vs $1,445

Skip both if

Neither publishes starting MSRP, combined MPG, annual fuel cost, NHTSA overall and 3 more decision fields yet.

The Mercedes-Benz GLS 580 and the Lexus LX 600 both position themselves as flagship three-row luxury SUVs that blend substantial size with upscale appointments, yet they diverge sharply in how they present their capabilities. The GLS 580 publishes clear performance figures that include a 4.0-liter twin-turbo V8 delivering 510 horsepower and 538 pound-feet of torque, along with a maximum towing capacity of 7,700 pounds, while the LX 600 with its 3.4-liter twin-turbo V6 remains more opaque on official output and towing ratings in many markets. Warranty coverage follows the same pattern: only the GLS 580 lists a basic four-year or 50,000-mile term, leaving prospective LX 600 buyers to rely on Lexus’s general reputation rather than published guarantees. Public reviews consistently note the GLS 580’s responsive power delivery and composed highway manners against the LX 600’s reputation for rugged durability. And strong brand loyalty among owners who prioritize long-term reliability over documented numbers.

Bottom line: choose the Mercedes-Benz GLS 580 when published power, torque, towing. And warranty details matter most; opt for the Lexus LX 600 if brand allegiance outweighs the absence of those specifics.

Verdict: Pick Mercedes GLS 580 if you need documented power, torque and towing capacity; pick Lexus LX 600 if brand preference outweighs the lack of published specs.

Mercedes GLS 580 lists at $1,445 while Lexus LX 600 lists at $899.89 — Lexus LX 600 undercuts Mercedes GLS 580 by $545.11 (61%).

Provisional pick: Mercedes GLS 580 — not enough sourced decision facts for Lexus LX 600 and Mercedes GLS 580. We don't rank on specs we can't verify.

Find one near you

Mercedes GLS 580: AutoTrader · Cars.com · CarGurus · eBay Motors

Lexus LX 600: AutoTrader · Cars.com · CarGurus · eBay Motors

Specs not yet sourced for Lexus LX 600 — no manufacturer, official or retailer source we read publishes them yet.

Spec-by-spec comparison

	Mercedes GLS 580	Lexus LX 600
Engine	4.0L V8 biturbo with mild hybrid drive	—
Horsepower	530 hp @ 5,500 rpm	—
Torque	553 lb-ft @ 2,000-4,000 rpm	—
Transmission	9G-TRONIC 9-speed	—
Drivetrain	4MATIC® fully variable all-wheel drive	—
Displacement	4.0L	—

Mercedes GLS 580

What works

530 hp provides strong acceleration
553 lb-ft torque supports heavy loads
7,700‑lb max towing capacity

What doesn't

5,820‑lb curb weight reduces fuel efficiency
206.6‑in overall length limits maneuverability

Lexus LX 600

What works

Leads the GLS 580 on price — $899.89 vs $1,445

Bottom line

Provisional pick: Mercedes GLS 580 — not enough sourced decision facts for Lexus LX 600 and Mercedes GLS 580.

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