Specifications Comparison: 2021 GMC Acadia vs 2024 Subaru Ascent

Headroom

Trim	Eng.	Drive train	1st Row Headroom (in)	2nd Row Headroom (in)	3rd Row Headroom (in)
AT4	3.6L V6	AWD	40	39	37
Denali	3.6L V6	FWD	40	39	37
Denali	2.0L I4	FWD	40	39	37
Denali	3.6L V6	FWD	40	39	37
Denali	2.0L I4	FWD	40	39	37
Denali	3.6L V6	AWD	40	39	37
Denali	2.0L I4	AWD	40	39	37
Denali	3.6L V6	AWD	40	39	37
Denali	2.0L I4	AWD	40	39	37
SL	2.5L I4	FWD	40	39	37
SLE	2.5L I4	FWD	40	39	37
SLE	3.6L V6	FWD	40	39	37
SLE	2.5L I4	FWD	40	39	37
SLE	3.6L V6	FWD	40	39	37
SLE	2.0L I4	AWD	40	39	37
SLE	3.6L V6	AWD	40	39	37
SLE	2.0L I4	AWD	40	39	37
SLE	3.6L V6	AWD	40	39	37
SLT	2.0L I4	FWD	40	39	37
SLT	3.6L V6	FWD	40	39	37
SLT	2.0L I4	FWD	40	39	37
SLT	3.6L V6	FWD	40	39	37
SLT	2.0L I4	AWD	40	39	37
SLT	3.6L V6	AWD	40	39	37
SLT	2.0L I4	AWD	40	39	37
SLT	3.6L V6	AWD	40	39	37

Trim	Eng.	Drive train	1st Row Headroom (in)	2nd Row Headroom (in)	3rd Row Headroom (in)	4th Row Headroom (in)	5th Row Headroom (in)
Base 8-Passenger	2.4L H4	AWD	41.2	40	36.2	36.2	36.2
Limited 7-Passenger	2.4L H4	AWD	41.2	40	36.2	36.2	36.2
Limited 8-Passenger	2.4L H4	AWD	41.2	40	36.2	36.2	36.2
Onyx Edition 7-Passenger	2.4L H4	AWD	40.4	38.7	36.2	36.2	36.2
Onyx Edition Limited 7-Passenger	2.4L H4	AWD	40.4	38.7	36.2	36.2	36.2
Premium 7-Passenger	2.4L H4	AWD	41.2	40	36.2	36.2	36.2
Premium 8-Passenger	2.4L H4	AWD	41.2	40	36.2	36.2	36.2
Touring 7-Passenger	2.4L H4	AWD	40.4	38.7	36.2	36.2	36.2

Trim	Eng.	Drive train	1st Row Headroom (cm)	2nd Row Headroom (cm)	3rd Row Headroom (cm)
AT4	3.6L V6	AWD	101	99	93
Denali	3.6L V6	FWD	101	99	93
Denali	2.0L I4	FWD	101	99	93
Denali	3.6L V6	FWD	101	99	93
Denali	2.0L I4	FWD	101	99	93
Denali	3.6L V6	AWD	101	99	93
Denali	2.0L I4	AWD	101	99	93
Denali	3.6L V6	AWD	101	99	93
Denali	2.0L I4	AWD	101	99	93
SL	2.5L I4	FWD	101	99	93
SLE	2.5L I4	FWD	101	99	93
SLE	3.6L V6	FWD	101	99	93
SLE	2.5L I4	FWD	101	99	93
SLE	3.6L V6	FWD	101	99	93
SLE	2.0L I4	AWD	101	99	93
SLE	3.6L V6	AWD	101	99	93
SLE	2.0L I4	AWD	101	99	93
SLE	3.6L V6	AWD	101	99	93
SLT	2.0L I4	FWD	101	99	93
SLT	3.6L V6	FWD	101	99	93
SLT	2.0L I4	FWD	101	99	93
SLT	3.6L V6	FWD	101	99	93
SLT	2.0L I4	AWD	101	99	93
SLT	3.6L V6	AWD	101	99	93
SLT	2.0L I4	AWD	101	99	93
SLT	3.6L V6	AWD	101	99	93

Trim	Eng.	Drive train	1st Row Headroom (cm)	2nd Row Headroom (cm)	3rd Row Headroom (cm)	4th Row Headroom (cm)	5th Row Headroom (cm)
Base 8-Passenger	2.4L H4	AWD	105	102	92	92	92
Limited 7-Passenger	2.4L H4	AWD	105	102	92	92	92
Limited 8-Passenger	2.4L H4	AWD	105	102	92	92	92
Onyx Edition 7-Passenger	2.4L H4	AWD	103	98	92	92	92
Onyx Edition Limited 7-Passenger	2.4L H4	AWD	103	98	92	92	92
Premium 7-Passenger	2.4L H4	AWD	105	102	92	92	92
Premium 8-Passenger	2.4L H4	AWD	105	102	92	92	92
Touring 7-Passenger	2.4L H4	AWD	103	98	92	92	92