Cadillac STS (2007) vs. Mercedes-Benz GLS (2023) Specs

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2007 Cadillac STS and 2023 Mercedes-Benz GLS Specifications

Model Year	2007	2023
Model	Cadillac STS	Mercedes-Benz GLS
Engine	supercharged 4.4L V8 DOHC-4v 469 hp@6400 439 lb-ft@3800	turbocharged 4.0L V8 Hybrid DOHC-4v 603 hp@5750 627 lb-ft@2500
Transmission	6-speed shiftable automatic	9-speed shiftable automatic
Drivetrain	RWD	AWD
Body	4dr Sedan	4dr SUV
			Difference
Wheelbase	116.4 in	123.4 in	-7 in
Length	196.3 in	205.0 in	-8.7 in
Width	72.6 in	79.9 in	-7.3 in
Height	57.6 in	71.8 in	-14.2 in
Curb Weight	4233 lb.	6019 lb.	-1786 lb.
Fuel Capacity	17.0 gal.	23.8 gal.	-6.8 gal.
Headroom, Row 1	38.7 in	39.4 in	-0.7 in
Shoulder Room, Row 1	58.6 in	59.3 in	-0.7 in
Hip Room, Row 1	54.6 in	0.0 in	54.6 in
Legroom, Row 1	42.6 in	40.3 in	2.3 in
Headroom, Row 2	37.9 in	40.2 in	-2.3 in
Shoulder Room, Row 2	57.4 in	58.5 in	-1.1 in
Hip Room, Row 2	55.6 in	0.0 in	55.6 in
Legroom, Row 2	38.3 in	41.9 in	-3.6 in
Legroom, Row 3	0.0 in	34.6 in	-34.6 in
Total Legroom	80.9 in (over 2 rows)	116.8 in (over 3 rows)	-35.9 in
Cargo Volume, Minimum	13.8 ft³	17.4 ft³	-3.6 ft³
Cargo Volume, Behind R2	13.8	42.7 ft³	-28.9
Cargo Volume, Maximum	13.8 ft³	84.7 ft³	-70.9 ft³

2007 Cadillac STS Seat Room and Comfort: Cons
Year	Body/Powertrain	Comment
2006	4dr Sedan 254-horsepower 3.6L V6 5-speed shiftable automatic RWD	No room in the back...even tight for kids. see full Cadillac STS review
2006	4dr Sedan 320-horsepower 4.6L V8 5-speed shiftable automatic RWD	Very tight legroom. see full Cadillac STS review

None of our members have yet commented on the seat room and comfort of the 2023 Mercedes-Benz GLS.

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