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INEOS Grenadier vs Mercedes-Benz GLS580

Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.

Vehicles

INEOS logo

2027 INEOS Grenadier

Mercedes-Benz logo

2027 Mercedes-Benz GLS580

Overview

SpecINEOS GrenadierHelmsman Edition 4x4Mercedes-Benz GLS580GLS 580
Selected trimHelmsman Edition 4x4GLS 580
Body styleSUVSUV
Drivetrainfour wheel driveall wheel drive
Fuel typepremium unleaded (recommended)premium unleaded (required)
Transmission8-speed automatic9-speed automatic
Engine typegasmild hybrid
Model year20272027

Pricing & market

SpecINEOS GrenadierHelmsman Edition 4x4Mercedes-Benz GLS580GLS 580
MSRP$78,995 (best)$120,950
For sale now00

Fuel economy & range

SpecINEOS GrenadierHelmsman Edition 4x4Mercedes-Benz GLS580GLS 580
Combined MPG—16 MPG (best)
City MPG—14 MPG (best)
Highway MPG—20 MPG (best)
Fuel tank24 gal24 gal

Performance

SpecINEOS GrenadierHelmsman Edition 4x4Mercedes-Benz GLS580GLS 580
Horsepower282 hp530 hp (best)
Torque332 lb-ft553 lb-ft (best)
Engine size3 L4 L (best)
CylindersI6V8

Size & capability

SpecINEOS GrenadierHelmsman Edition 4x4Mercedes-Benz GLS580GLS 580
Seating5 seats7 seats (best)
Doors—4 (best)
Towing capacity7,716 lbs (best)7,700 lbs
Curb weight5,827 lbs (best)—
Ground clearance10 in (best)8 in
Wheelbase115 in123 in (best)
Length191 in205 in (best)
Width76 in80 in (best)
Height80 in (best)72 in

Safety & recalls

SpecINEOS GrenadierHelmsman Edition 4x4Mercedes-Benz GLS580GLS 580
Open recalls (YMM scope)None reportedNone reported

Highlighted values indicate the better figure for that spec when a clear winner exists. Specs reflect the selected trim for each vehicle. Drag a vehicle header to reorder columns. MSRP and specifications are manufacturer data; listing prices and inventory come from live dealer listings. Safety ratings are from NHTSA.

Trim overview

All available trims with MSRP. The trim selected above is highlighted; comparison specs use that selection.

TrimINEOS GrenadierMercedes-Benz GLS580
1

Helmsman Edition 4x4

$78,995 MSRP(Currently comparing)

GLS 580

$120,950 MSRP(Currently comparing)

2

Fieldmaster Edition

$80,900 MSRP

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3

Trialmaster Edition

$80,900 MSRP

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4

Fieldmaster Highlands Edition

$86,195 MSRP

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INEOS Grenadier vs Mercedes-Benz GLS580 FAQ

Which is better: 2027 INEOS Grenadier or 2027 Mercedes-Benz GLS580?
It depends on priorities. OpenDealer compares 2027 INEOS Grenadier vs 2027 Mercedes-Benz GLS580 on MSRP, fuel economy, horsepower, seating, towing, NHTSA safety ratings, and live market prices so you can weigh the tradeoffs.
Which costs less: 2027 INEOS Grenadier or 2027 Mercedes-Benz GLS580?
Based on starting MSRP, the 2027 INEOS Grenadier starts lower at $78,995.
Which has better startingMsrp: 2027 INEOS Grenadier or 2027 Mercedes-Benz GLS580?
The 2027 INEOS Grenadier leads on startingMsrp in this comparison (78,995).
Which has better combinedMpg: 2027 INEOS Grenadier or 2027 Mercedes-Benz GLS580?
The 2027 Mercedes-Benz GLS580 leads on combinedMpg in this comparison (16).
Which has better horsepower: 2027 INEOS Grenadier or 2027 Mercedes-Benz GLS580?
The 2027 Mercedes-Benz GLS580 leads on horsepower in this comparison (530).
Which has better seats: 2027 INEOS Grenadier or 2027 Mercedes-Benz GLS580?
The 2027 Mercedes-Benz GLS580 leads on seats in this comparison (7).
Which has better maxTowingLbs: 2027 INEOS Grenadier or 2027 Mercedes-Benz GLS580?
The 2027 INEOS Grenadier leads on maxTowingLbs in this comparison (7,716).