Cadillac CT6 Cadillac CT6 2018 Mercedes-Benz GLS Mercedes-Benz GLS 2023

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Cadillac CT6 (2018) vs. Mercedes-Benz GLS (2023) Specs

How powerful is the engine? How much room is in the back seat? Get the 2018 Cadillac CT6 and 2023 Mercedes-Benz GLS specs.

2018 Cadillac CT6 and 2023 Mercedes-Benz GLS Specifications

Model Year 2018 2023  
Model Cadillac CT6 Mercedes-Benz GLS  
Engine turbocharged
3.0L V6
DOHC-4v
404 hp@5500
400 lb-ft@2500
turbocharged
4.0L V8 Hybrid
DOHC-4v
603 hp@5750
627 lb-ft@2500
 
Transmission 8-speed shiftable automatic 9-speed shiftable automatic  
Drivetrain AWD AWD  
Body 4dr Sedan 4dr SUV  
      Difference
Wheelbase 122.4 in 123.4 in -1 in
Length 204.0 in 205.0 in -1 in
Width 74.0 in 79.9 in -5.9 in
Height 57.9 in 71.8 in -13.9 in
Curb Weight 4085 lb. 6019 lb. -1934 lb.
Fuel Capacity 19.5 gal. 23.8 gal. -4.3 gal.
Headroom, Row 1 40.1 in 39.4 in 0.7 in
Shoulder Room, Row 1 58.3 in 59.3 in -1 in
Hip Room, Row 1 55.8 in 0.0 in 55.8 in
Legroom, Row 1 42.3 in 40.3 in 2 in
Headroom, Row 2 38.0 in 40.2 in -2.2 in
Shoulder Room, Row 2 56.1 in 58.5 in -2.4 in
Hip Room, Row 2 53.4 in 0.0 in 53.4 in
Legroom, Row 2 40.4 in 41.9 in -1.5 in
Legroom, Row 3 0.0 in 34.6 in -34.6 in
Total Legroom 82.7 in (over 2 rows) 116.8 in (over 3 rows) -34.1 in
Cargo Volume, Minimum 15.3 ft3 17.4 ft3 -2.1 ft3
Cargo Volume, Behind R2 15.3 42.7 ft3 -27.4
Cargo Volume, Maximum 15.3 ft3 84.7 ft3 -69.4 ft3

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