Lexus IS Lexus IS 2017 Mercedes-Benz GLB Mercedes-Benz GLB 2021

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Lexus IS (2017) vs. Mercedes-Benz GLB (2021) Specs

How powerful is the engine? How much room is in the back seat? Get the 2017 Lexus IS and 2021 Mercedes-Benz GLB specs.

2017 Lexus IS and 2021 Mercedes-Benz GLB Specifications

Model Year 2017 2021  
Model Lexus IS Mercedes-Benz GLB  
Engine 3.5L V6
DOHC-4v
228 kW@6400
376 Nm@4800
turbocharged
2.0L I4
DOHC-4v
225 kW@5800
400 Nm@3000
 
Transmission 6-speed shiftable automatic 8-speed automated manual  
Drivetrain AWD AWD  
Body 4dr Sedan 4dr SUV  
      Difference
Wheelbase 2,799 mm 2,830 mm 0 mm
Length 4,681 mm 4,633 mm 0 mm
Width 1,811 mm 1,834 mm 0 mm
Height 1,430 mm 1,659 mm 0 mm
Curb Weight 1,695 kg 1,755 kg 0 kg
Fuel Capacity 66 L 60 L 6 L
Headroom, Row 1 970 mm 1,034 mm 969 mm
Shoulder Room, Row 1 1,420 mm 1,420 mm 0 mm
Hip Room, Row 1 1,379 mm 0 mm 1 mm
Legroom, Row 1 1,138 mm 1,044 mm 0 mm
Headroom, Row 2 937 mm 998 mm -61 mm
Shoulder Room, Row 2 1,356 mm 1,394 mm 0 mm
Hip Room, Row 2 1,372 mm 0 mm 1 mm
Legroom, Row 2 818 mm 968 mm -150 mm
Headroom, Row 3 0 mm 884 mm -884 mm
Shoulder Room, Row 3 0 mm 1,113 mm -1 mm
Legroom, Row 3 0 mm 739 mm -739 mm
Total Legroom 1,956 mm (over 2 rows) 2,751 mm (over 3 rows) -1 mm
Cargo Volume, Minimum 306 L 623 L -317 L
Cargo Volume, Maximum 10.8 1,756 L 9.8

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TrueDelta Reviews the Seat Room and Comfort of the 2017 Lexus IS

2017 Lexus IS Seat Room and Comfort: Pros
YearComment
2016 For me, the front bucket seats in Lexus F Sport models provide a nearly ideal blend of comfort and support. Even when they don't lack lateral support, the seats in competitors don't fit my form as well. Infiniti doesn't offer the Q50 2.0t in Sport form. The standard car's front seats provide little lateral support. The instrument panel appears larger and more imposing in the Infiniti than in the Lexus. Still, I wish the view forward were a little more open in the latter. (The Cadillac ATS is better in this regard.) Lexus lowered the driving position compared to the previous IS to help the car feel sportier. I raised the seat some to compensate. Adding all-wheel-drive to the Lexus IS (and a V6 engine with it, AWD isn't offered with the 2.0T engine) adds another issue, a large hump beneath the driver's right calf. Some drivers might find they have to adjust how they sit to avoid this hump. see full Lexus IS review
 

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