GMC Acadia Specs — Dimensions & Weight by Generation

Quick answer

The current GMC Acadia is 203.9″ long, 79.5″ wide, on a 120.9″ wheelbase, weighing 4,502 lb. Since 2007 it has grown 1% in length and gained -5% in weight. At 17 feet it fits a standard garage and fits a street parking space.

Everything on the GMC Acadia

Recalls79 campaigns Fuel economy25 mpg best Reliability4.5/5 Common problems5,538 complaints Check a VINAgainst this exact build Used prices1,484 listings What yours is worthValue by year & mileage Insurance costEstimated per year Window stickerOriginal Monroney label Decode a VINWhat each character means About this car2007–2026

Every GMC Acadia generation, measured

One row per generation. Watch the weight column — that is where most of the change happens, and it is the number that decides fuel use, tyre wear and how far the car takes to stop.

FIG.01·GMC Acadia dimensions by generation
Generation	Length	Width	Height	Wheelbase	Curb weight
2007–2016	201.2″	78.7″	72.8″	118.9″	4,722 lb
2017–2023	193.7″	75.6″	68.9″	112.6″	4,180 lb
2024–2026	203.9″	79.5″	70.9″	120.9″	4,502 lb

ROWS 3·SOURCE NHTSA vPIC / Transport Canada

From 2007 to today the Acadia gained 2.8″ of length (1%) and -220 lb of weight (-5%). A modern compact often outweighs the mid-size car of a generation before.

Acadia year by year

Measured every model year, not just at generation changes — 20 years on record. Small moves inside a generation are facelifts; the jumps are new platforms.

FIG.02·GMC Acadia dimensions by model year
Model year	Length	Width	Wheelbase	Curb weight	Body styles
2026	203.9″	79.5″	120.9″	4,502 lb	1
2025	203.9″	79.5″	120.9″	4,502 lb	1
2024	203.9″	79.5″	120.9″	4,502 lb	1
2023	193.3″	75.6″	112.6″	4,184 lb	3
2022	193.3″	75.6″	112.6″	4,184 lb	3
2021	193.3″	75.6″	112.6″	4,184 lb	3
2020	193.3″	75.6″	112.6″	4,184 lb	3
2019	193.7″	75.6″	112.6″	4,180 lb	2
2018	193.7″	75.6″	112.6″	4,180 lb	2
2017	193.7″	75.6″	112.6″	4,180 lb	2
2016	201.2″	78.7″	118.9″	4,753 lb	2
2015	201.2″	78.7″	118.9″	4,753 lb	2
2014	201.2″	78.7″	118.9″	4,795 lb	2
2013	201.2″	78.7″	118.9″	4,753 lb	2
2012	201.2″	78.7″	118.9″	4,824 lb	2
2011	201.2″	78.7″	118.9″	4,824 lb	2
2010	201.2″	78.7″	118.9″	4,824 lb	2
2009	201.2″	78.7″	118.9″	4,722 lb	1
2008	201.2″	78.7″	118.9″	4,722 lb	1
2007	201.2″	78.7″	118.9″	4,722 lb	1

ROWS 20·SOURCE Transport Canada vehicle specifications

Will a Acadia fit

The practical question behind every dimensions search. A single-car garage in the US is typically 20 feet deep; a street parking space is about 18. We allow a foot of clearance in both — nobody parks to the millimetre.

FIG.02·GMC Acadia — will it fit
Space	Typical size	This car	Verdict
Single garage	20 ft deep	17 ft	Fits, with room to open the door
Street parking space	18 ft	17 ft	Fits comfortably
Standard parking bay width	8.5 ft wide	6.6 ft	Room to open doors both sides

ROWS 3·SOURCE ForCar, computed from vehicle dimensions

Against cars of the same length

Compared with 553 vehicles within ten inches of the same length — a fair proxy for «cars of this size», regardless of what the marketing calls them.

FIG.03·GMC Acadia against similar-sized cars
Measure	This car	Typical car of this length	Difference
Width	79.5″	75.2″	+4.3″
Wheelbase	120.9″	117.7″	+3.2″
Curb weight	4,502 lb	4,345 lb	157 lb

ROWS 3·SOURCE ForCar, computed across vehicles of similar length

A longer wheelbase for the same overall length means shorter overhangs — usually more cabin space and a steadier ride. Lighter than typical for its size generally means better fuel economy and shorter stopping distances.

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How we measure

Dimensions come from NHTSA vPIC and Transport Canada vehicle records — manufacturer-declared figures, held in metric and converted to inches and pounds for display.

One row per generation, not per model year: manufacturers rarely change the body between facelifts, and a table of forty near-identical rows helps nobody. Where a generation offered several body styles, the figures are the base measurements for that generation.

Related tools

Full GMC Acadia overview

Recalls · Reliability · MPG · Safety

What a Acadia costs to fuel

Weight drives consumption

Frequently asked questions

How long is a GMC Acadia?

203.9″ (16′ 12″) in its current generation, 79.5″ wide and 70.9″ tall.

How much does a GMC Acadia weigh?

4,502 lb at the kerb.

Will a Acadia fit in a garage?

At 17 feet it fits a standard 20-foot single garage with room to spare. A street parking space of 18 feet is comfortable.

Has the Acadia got bigger over the years?

Yes — 2.8″ longer and -220 lb heavier since 2007, across 3 generations. Weight grew -5%, far faster than length.

Dimensions from NHTSA vPIC and Transport Canada vehicle records, manufacturer-declared. Metric values converted to inches and pounds; generation ranges approximate. Fit verdicts computed by ForCar against typical US garage and parking dimensions. Last updated Aug 2026. — ForCar Reviewed by Denis Kataev, founder of ForCar.