Compare 2018 INFINITI QX80 vs 2018 Mercedes-Benz GLS Class

2018 INFINITI QX80
2018 Mercedes-Benz GLS Class
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AMG GLS 63 4MATIC SUV
Style MPG City MPG Hwy Invoice MSRP
GLS AMG GLS 63 4MATIC SUV 13 18 $116,529 $125,300
GLS GLS 450 4MATIC SUV 17 22 $64,682 $69,550
GLS GLS 550 4MATIC SUV 14 19 $88,304 $94,950
Pricing
Invoice Price
$63,101
$116,529
Manufacturer Suggested Retail Price
$67,850
$125,300
Monthly Payment Estimate
$1131 / month
$2088 / month
The Car Connection's Take
TCC Rating
6.6
7.8
TCC’s Bottom Line
A nip and tuck for this year isn't enough to ignore the wrinkles in the aging 2018 Infiniti QX80. The 2018 Mercedes-Benz GLS takes an old-school tack to modern-SUV design, and it works.
TCC Likes
TCC Dislikes
Fuel Economy
City
13 mpg 13 mpg
Highway
19 mpg 18 mpg
Interior Dimensions
Front Hip Room (in)
59.2 -
Third Shoulder Room (in)
60.5 50.5
Second Leg Room (in)
41 38.5
Front Head Room (in)
39.9 41.2
Second Hip Room (in)
58.4 -
Front Shoulder Room (in)
63.8 58.5
Third Leg Room (in)
28.8 35
Second Head Room (in)
40 40
Passenger Capacity
7 7
Third Hip Room (in)
48.8 -
Second Shoulder Room (in)
63.5 58.3
Front Leg Room (in)
39.6 40.3
Third Head Room (in)
36.8 38.9
Exterior Dimensions
Height, Overall (in)
75.8 72.8
Track Width, Rear (in)
67.9 66.8
Wheelbase (in)
121.1 121.1
Liftover Height (in)
34.9 32.3
Width, Max w/o mirrors (in)
79.9 76.1
Track Width, Front (in)
67.5 66
Min Ground Clearance (in)
9.2 8.5
Length, Overall (in)
210.2 203.2
Cargo Area Dimensions
Cargo Volume to Seat 1 (ft³)
95.1 93.8
Cargo Area Length @ Floor to Seat 2 (in)
49.1 52.4
Cargo Volume to Seat 3 (ft³)
16.6 16
Cargo Area Width @ Beltline (in)
50.2 -
Cargo Area Length @ Floor to Seat 1 (in)
86.2 79.2
Cargo Volume to Seat 2 (ft³)
49.6 49.4
Cargo Area Length @ Floor to Seat 3 (in)
20.2 19.7
Cargo Box (Area) Height (in)
36.7 35.1
Brakes
Rear Drum Diam x Width (in)
NA NA
Disc - Front (Yes or )
Yes Yes
Front Brake Rotor Diam x Thickness (in)
13.8 15.4
Brake Type
4-Wheel Disc 4-Wheel Disc
Drum - Rear (Yes or )
NA NA
Brake ABS System (Second Line)
4-Wheel 4-Wheel
Disc - Rear (Yes or )
Yes Yes
Rear Brake Rotor Diam x Thickness (in)
13.8 14.2
Brake ABS System
4-Wheel 4-Wheel
Fuel Tank
Fuel Tank Capacity, Approx (gal)
26 26.4
Steering
Steering Type
Rack-Pinion Rack-Pinion
Turning Diameter - Curb to Curb (ft)
41.6 40.7
Tires
Spare Tire Order Code
NA NA
Rear Tire Size
P275/60HR20 P295/40ZR21
Rear Tire Order Code
NA NA
Front Tire Size
P275/60HR20 P295/40ZR21
Spare Tire Size
Full-Size Compact
Front Tire Order Code
NA NA
Trailering
Dead Weight Hitch - Max Tongue Wt. (lbs)
850 NA
Wt Distributing Hitch - Max Tongue Wt. (lbs)
850 NA
Dead Weight Hitch - Max Trailer Wt. (lbs)
8500 NA
Wt Distributing Hitch - Max Trailer Wt. (lbs)
8500 NA
Maximum Trailering Capacity (lbs)
8500 NA
Weight Information
Gross Vehicle Weight Rating Cap (lbs)
7385 -
Wheels
Rear Wheel Size (in)
20 X 8 21 X 10
Front Wheel Material
Aluminum Aluminum
Spare Wheel Material
Aluminum Steel
Front Wheel Size (in)
20 X 8 21 X 10
Spare Wheel Size (in)
Full-Size Compact
Rear Wheel Material
Aluminum Aluminum
Electrical
Cold Cranking Amps @ 0° F (2nd)
710 -
Maximum Alternator Capacity (amps)
150 180
Cold Cranking Amps @ 0° F (Primary)
710 -
Engine
Engine Type
Premium Unleaded V-8 Twin Turbo Premium Unleaded V-8
Fuel System
Gasoline Direct Injection Gasoline Direct Injection
SAE Net Torque @ RPM
413 @ 4000 561 @ 1750
Engine Order Code
NA NA
Displacement
5.6 L/339 5.5 L/333
Engine Oil Cooler
None None
SAE Net Horsepower @ RPM
400 @ 5800 577 @ 5250
Mileage
EPA Fuel Economy Est - Hwy (MPG)
19 18
EPA Fuel Economy Est - City (MPG)
13 13
Fuel Economy Est-Combined (MPG)
15 15
Transmission
Drivetrain
All Wheel Drive All Wheel Drive
Reverse Ratio (:1)
4.04 3.42
Second Gear Ratio (:1)
3.17 2.86
Trans Order Code
NA 427
Transfer Case Model
Electronic None
Fourth Gear Ratio (:1)
1.41 1.37
Trans Description Cont.
Automatic w/OD Automatic w/OD
Sixth Gear Ratio (:1)
0.86 0.82
First Gear Ratio (:1)
4.89 4.38
Trans PTO Access
No No
Third Gear Ratio (:1)
2.03 1.92
Trans Type
7 7
Transfer Case Power Take Off
No No
Seventh Gear Ratio (:1)
0.78 0.73
Fifth Gear Ratio (:1)
1.00 1.00
Trans Description Cont. Again
NA NA
Summary
Vehicle Name
INFINITI QX80 Mercedes-Benz GLS
Body Code
S S
Body Style
Sport Utility 4MATIC
Suspension
Suspension Type - Rear
Double Wishbone Multi-Link
Axle Type - Rear
Independent Independent
Axle Ratio (:1) - Rear
2.94 3.47
Suspension Type - Front
Double Wishbone Double Wishbone
Axle Type - Front
Independent Independent
Axle Ratio (:1) - Front
2.94 3.47
Emissions
Tons/yr of CO2 Emissions @ 15K mi/year
11.8 11.8
Crash Test Ratings
Overall Rating
-- -
Overall Frontal Barrier Crash Rating
-- -
Frontal Barrier Crash Rating Driver
-- -
Frontal Barrier Crash Rating Passenger
-- -
Overall Side Crash Rating
-
Side Barrier Rating
-
Side Barrier Rating Driver
-
Side Barrier Rating Passenger Rear Seat
-
Side Pole Rating Driver Front Seat
-
Combined Side Rating Front Seat
-
Combined Side Rating Rear Seat
-
Rollover Rating
-

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