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INFINITI QX80 vs Mercedes-Benz GLS450

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

Vehicles

INFINITI logo

2027 INFINITI QX80

Mercedes-Benz logo

2027 Mercedes-Benz GLS450

Overview

SpecINFINITI QX80PUREMercedes-Benz GLS450GLS 450 4MATIC
Selected trimPUREGLS 450 4MATIC
Body styleSUVSUV
Drivetrainrear wheel driveall wheel drive
Fuel typepremium unleaded (recommended)premium unleaded (required)
Transmission9-speed shiftable automatic9-speed shiftable automatic
Engine typegasmild hybrid
Model year20272027

Pricing & market

SpecINFINITI QX80PUREMercedes-Benz GLS450GLS 450 4MATIC
MSRP$85,590 (best)$93,950
Lowest listing price$39,894 (best)—
Median listing price$39,894 (best)—
Highest listing price$48,999 (best)—
For sale now3 (best)0

Fuel economy & range

SpecINFINITI QX80PUREMercedes-Benz GLS450GLS 450 4MATIC
Combined MPG18 MPG21 MPG (best)
City MPG16 MPG19 MPG (best)
Highway MPG20 MPG24 MPG (best)
Fuel tank23.6 gal23.8 gal (best)

Performance

SpecINFINITI QX80PUREMercedes-Benz GLS450GLS 450 4MATIC
Horsepower450 hp (best)375 hp
Torque516 lb-ft (best)413 lb-ft
Engine size3.5 L (best)3 L
CylindersV6I6

Size & capability

SpecINFINITI QX80PUREMercedes-Benz GLS450GLS 450 4MATIC
Seating7 seats (best)6 seats
Doors44
Cargo volume101 cu ft (best)84.9 cu ft
Towing capacity8,500 lbs (best)7,700 lbs
Curb weight5,826 lbs5,666 lbs (best)
Wheelbase121.1 in123.4 in (best)
Length211.2 in (best)205.4 in
Width83.3 in (best)79 in
Height76.6 in (best)71.8 in

Safety & recalls

SpecINFINITI QX80PUREMercedes-Benz GLS450GLS 450 4MATIC
Open recalls (YMM scope)1None reported (best)

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.

TrimINFINITI QX80Mercedes-Benz GLS450
1

PURE

$85,590 MSRP(Currently comparing)

GLS 450 4MATIC

$93,950 MSRP(Currently comparing)

2

PURE

$85,590 MSRP

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3

PURE

$88,590 MSRP

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4

PURE

$88,590 MSRP

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5

LUXE

$91,590 MSRP

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6

LUXE

$91,590 MSRP

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7

LUXE

$94,590 MSRP

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8

LUXE AWD

$94,590 MSRP

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9

SPORT

$102,590 MSRP

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10

SPORT AWD

$102,590 MSRP

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11

AUTOGRAPH

$112,990 MSRP

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12

AUTOGRAPH

$112,990 MSRP

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Live inventory

INFINITI QX80 vs Mercedes-Benz GLS450 FAQ

Which is better: 2027 INFINITI QX80 or 2027 Mercedes-Benz GLS450?
It depends on priorities. OpenDealer compares 2027 INFINITI QX80 vs 2027 Mercedes-Benz GLS450 on MSRP, fuel economy, horsepower, seating, towing, NHTSA safety ratings, and live market prices so you can weigh the tradeoffs.
Which costs less: 2027 INFINITI QX80 or 2027 Mercedes-Benz GLS450?
Based on starting MSRP, the 2027 INFINITI QX80 starts lower at $85,590. Live INFINITI QX80 listings start at $39,894.
Which has better startingMsrp: 2027 INFINITI QX80 or 2027 Mercedes-Benz GLS450?
The 2027 INFINITI QX80 leads on startingMsrp in this comparison (85,590).
Which has better combinedMpg: 2027 INFINITI QX80 or 2027 Mercedes-Benz GLS450?
The 2027 Mercedes-Benz GLS450 leads on combinedMpg in this comparison (21).
Which has better horsepower: 2027 INFINITI QX80 or 2027 Mercedes-Benz GLS450?
The 2027 INFINITI QX80 leads on horsepower in this comparison (450).
Which has better seats: 2027 INFINITI QX80 or 2027 Mercedes-Benz GLS450?
The 2027 INFINITI QX80 leads on seats in this comparison (8).
Which has better maxTowingLbs: 2027 INFINITI QX80 or 2027 Mercedes-Benz GLS450?
The 2027 INFINITI QX80 leads on maxTowingLbs in this comparison (8,500).