GMC Sierra EV vs Rivian R1T: Size Comparison

The GMC Sierra EV is 16.3″41 cm longer, 1.8″5 cm wider and 0.5″1 cm taller than the Rivian R1T (233.4″593 cm vs 217.1″551 cm long). (Sierra EV 2025–present vs R1T 2022–present)

GMC Sierra EV (2025–present)
Rivian R1T (2022–present)

Sierra EV · 233.4″593 cm78.7″200 cm Rivian R1T (2022–present)

R1T · 217.1″551 cm78.2″199 cmSierra EV +16.3″41 cm longer

To scale by length, front bumpers aligned. Numbers are exact; images are approximate.

+16.3″41 cm

longer

Length · Sierra EV

+0.5″1 cm

taller

Height · Sierra EV

+10.2″26 cm

longer

Wheelbase · Sierra EV

Dimensions	Sierra EV	R1T	Difference
Length	233.4″593 cm	217.1″551 cm	R1T 16.3″41 cm shorter
Width	83.8″213 cm	82.0″208 cm	R1T 1.8″5 cm narrower
Height	78.7″200 cm	78.2″199 cm	R1T 0.5″1 cm lower
Wheelbase	146.0″371 cm	135.8″345 cm	R1T 10.2″26 cm shorter
Ground clearance	10.0″25 cm	8.7″22 cm	R1T 1.3″3 cm less
Cargo space	11.0 cu ft311 L	22.8 cu ft646 L	R1T 11.8 cu ft334 L more
Starting price	$62,400$62,400	$79,990$79,990	R1T $17,590$17,590 more expensive
Horsepower (max)	760 hp760 hp	1,025 hp1,025 hp	R1T 265 hp265 hp more

Do they fit in a garage?

In a standard 2-car garage (20 ft6.1 m deep)

GMC Sierra EV

Very tight

6.6″17 cm to spare

In a standard 2-car garage (20 ft6.1 m deep)

Rivian R1T

Tight fit

22.9″58 cm to spare

Quick answers

Which is easier to park, the Sierra EV or the R1T?: The R1T: it's 16.3″41 cm shorter and 1.8″5 cm narrower.
Do both fit in a standard 2-car garage?: In a 20 ft deep garage, the Sierra EV fits, but tightly and the R1T fits, but tightly. Check your own garage.
Which has more cargo space?: The R1T: 22.8 cu ft646 L vs 11.0 cu ft311 L behind the rear seats.

GMC Sierra EV vs Rivian R1T: Size Comparison

Do they fit in a garage?

Quick answers

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