GMC Sierra Specs — Dimensions & Weight by Generation

Quick answer

The current GMC Sierra is 235.4″ long, 81.9″ wide, on a 147.2″ wheelbase, weighing 6,076 lb. Since 1994 it has grown 8% in length and gained 44% in weight. At 19.6 feet it does not fit a standard garage and overhangs a street parking space.

Everything on the GMC Sierra

Recalls409 campaigns Fuel economy68 mpg best Reliability4.0/5 Common problems6,901 complaints Check a VINAgainst this exact build Used prices5,919 listings What yours is worthValue by year & mileage Insurance costEstimated per year Window stickerOriginal Monroney label Decode a VINWhat each character means About this car1989–2026

Every GMC Sierra 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 Sierra dimensions by generation
Generation	Length	Width	Height	Wheelbase	Curb weight
1994–1998	218.1″	76.8″	71.3″	141.3″	4,206 lb
1999–2002	222.4″	78.3″	74″	143.7″	5,304 lb
2003	229.5″	79.5″	74″	148.4″	5,558 lb
2004–2005	224.8″	79.5″	76.4″	143.7″	5,507 lb
2006–2008	229.5″	79.5″	76.4″	148.4″	5,494 lb
2009–2010	224.4″	79.9″	78″	143.7″	5,719 lb
2011–2019	234.6″	79.9″	78″	153.9″	6,166 lb
2020–2026	235.4″	81.9″	79.9″	147.2″	6,076 lb

ROWS 8·SOURCE NHTSA vPIC / Transport Canada

From 1994 to today the Sierra gained 17.3″ of length (8%) and 1,870 lb of weight (44%). A modern compact often outweighs the mid-size car of a generation before.

Sierra year by year

Measured every model year, not just at generation changes — 33 years on record. Small moves inside a generation are facelifts; the jumps are new platforms.

FIG.02·GMC Sierra dimensions by model year
Model year	Length	Width	Wheelbase	Curb weight	Body styles
2026	235.4″	81.5″	146.5″	5,761 lb	23
2025	235.4″	81.5″	146.5″	5,761 lb	23
2024	235.4″	81.5″	146.5″	5,761 lb	23
2023	235.8″	81.5″	146.5″	5,631 lb	22
2022	235.8″	81.5″	146.5″	5,631 lb	22
2021	235.8″	81.5″	146.5″	5,631 lb	22
2020	235.8″	81.5″	146.5″	5,631 lb	22
2019	237″	83.5″	152″	6,036 lb	35
2018	233.5″	82.7″	149.2″	5,983 lb	39
2017	233.5″	82.7″	149.2″	5,983 lb	39
2016	233.5″	82.7″	149.2″	5,983 lb	39
2015	233.5″	82.7″	149.2″	5,983 lb	39
2014	231.5″	82.7″	147.6″	5,880 lb	31
2013	232.7″	82.7″	148.8″	6,021 lb	39
2012	232.7″	82.7″	148.8″	6,032 lb	39
2011	232.7″	82.7″	148.8″	6,032 lb	39
2010	232.3″	82.3″	148.4″	5,675 lb	33
2009	232.3″	82.3″	148.4″	5,675 lb	33
2008	231.9″	82.3″	148″	5,487 lb	32
2007	231.9″	81.9″	148″	5,393 lb	36
2006	231.9″	81.9″	148″	5,393 lb	36
2005	230.7″	82.3″	147.2″	5,357 lb	34
2004	230.7″	82.7″	147.2″	5,386 lb	33
2003	231.1″	82.7″	147.2″	5,399 lb	32
2002	226″	82.7″	144.5″	5,143 lb	31
2001	226″	80.7″	144.5″	5,258 lb	30
2000	225.2″	79.9″	144.5″	5,057 lb	37
1999	224″	80.3″	143.3″	5,318 lb	35
1998	222″	79.9″	142.1″	4,982 lb	27
1997	222″	79.9″	142.1″	4,954 lb	27
1996	222″	79.9″	142.1″	4,848 lb	27
1995	221.7″	79.9″	142.1″	4,713 lb	28
1994	220.1″	79.9″	140.6″	4,328 lb	30

ROWS 33·SOURCE Transport Canada vehicle specifications

Will a Sierra 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 Sierra — will it fit
Space	Typical size	This car	Verdict
Single garage	20 ft deep	19.6 ft	Too long — door will not close
Street parking space	18 ft	19.6 ft	Overhangs — expect a tight squeeze
Standard parking bay width	8.5 ft wide	6.8 ft	Room to open doors both sides

ROWS 3·SOURCE ForCar, computed from vehicle dimensions

Against cars of the same length

Compared with 75 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 Sierra against similar-sized cars
Measure	This car	Typical car of this length	Difference
Width	81.9″	79.9″	+2.0″
Wheelbase	147.2″	142.5″	+4.7″
Curb weight	6,076 lb	5,520 lb	556 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 Sierra overview

Recalls · Reliability · MPG · Safety

What a Sierra costs to fuel

Weight drives consumption

Frequently asked questions

How long is a GMC Sierra?

235.4″ (19′ 7″) in its current generation, 81.9″ wide and 79.9″ tall.

How much does a GMC Sierra weigh?

6,076 lb at the kerb, which is 44% more than the first generation we hold from 1994.

Will a Sierra fit in a garage?

At 19.6 feet it is too long for a standard 20-foot garage — the door will not close. A street parking space of 18 feet will be a squeeze.

Has the Sierra got bigger over the years?

Yes — 17.3″ longer and 1,870 lb heavier since 1994, across 8 generations. Weight grew 44%, 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.