CarRuler

GMC Sierra (2014–2018) dimensions

Generation K2XX

19′ 2″ (229.5″)583 cm long and 80.0″203 cm wide (Crew Cab · 5.8 ft bed). Comes in 4 body styles.

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

Very tight

10.5″27 cm to spare lengthwise

Uses the longest trim. Leave about 3 ft0.9 m to walk around the car.

Check your own garage

Fuel and efficiency

Powertrains
Flex-fuel, Gas, Hybrid
Combined MPG
17–20

Source: EPA fueleconomy.gov

Parking spaces

  • Standard (9 ft2.7 m × 18 ft5.5 m)Too long · −13.5″34 cm
  • Compact (8 ft2.4 m × 16 ft4.9 m)Too long · −37.5″95 cm
  • Parallel (8 ft2.4 m × 22 ft6.7 m)Tight fit · 34.5″88 cm

Typical US sizes; your city’s code may differ.

GMC Sierra Crew Cab · 5.8 ft bed

Length229.5″583 cm
Width80.0″203 cm
Height74.2″188 cm
Wheelbase143.5″364 cm
Ground clearance8.9″23 cm
Seats6
Curb weight5,300 lb2,404 kg(up to 5,440 lb2,468 kg)
Max towing9,400 lb4,264 kg(up to 12,500 lb5,670 kg)
Max payload1,840 lb835 kg(up to 1,940 lb880 kg)

Based on 32 trims, model years 2015–2018.

GMC Sierra Regular Cab

Length224.4″570 cm
Width80.0″203 cm
Height74.1″188 cm
Wheelbase133.0″338 cm
Ground clearance8.8″22 cm
Seats3
Curb weight4,975 lb2,257 kg
Max towing9,800 lb4,445 kg
Max payload1,980 lb898 kg

Based on 32 trims, model years 2015–2018.

GMC Sierra Crew Cab · 6.5 ft bed

Length239.0″607 cm
Width80.0″203 cm
Height73.8″187 cm
Wheelbase153.0″389 cm
Ground clearance8.9″23 cm
Seats6
Curb weight5,265 lb2,388 kg(up to 5,484 lb2,488 kg)
Max towing9,100 lb4,128 kg(up to 11,900 lb5,398 kg)
Max payload1,710 lb776 kg(up to 1,850 lb839 kg)

Based on 28 trims, model years 2015–2018.

GMC Sierra Double Cab

Length229.5″583 cm
Width80.0″203 cm
Height73.9″188 cm
Wheelbase143.5″364 cm
Ground clearance8.9″23 cm
Seats6
Curb weight5,232 lb2,373 kg(up to 5,357 lb2,430 kg)
Max towing9,200 lb4,173 kg(up to 12,500 lb5,670 kg)
Max payload1,890 lb857 kg

Based on 24 trims, model years 2015–2018.

Quick answers

How long is the Sierra?
19′ 2″ (229.5″)583 cm.
Will the Sierra fit in a standard 2-car garage?
Only just: a 20 ft deep garage leaves 10.5″27 cm, not enough to walk around it comfortably. Check your own garage.
Does it fit a standard parking space?
Not quite: it overhangs a 9 × 18 ft space by 13.5″34 cm.
Will it clear a 7 ft garage door?
Yes. At 74.2″188 cm tall it clears a 7 ft door by 9.8″25 cm (without a roof box).
How wide is it with mirrors?
About 89.0″226 cm: 80.0″203 cm body width plus an estimated 9.0″23 cm for the mirrors (manufacturers don't publish it).
How much does the Sierra cost?
The 2018 Sierra starts at $28,705 (MSRP, before destination and taxes). See all trims and prices below.
How far can the Sierra go on a full tank?
About 490 miles (26-gallon tank, 19 MPG combined). Highway driving goes further, city driving less.
How much can the Sierra tow?
Up to 12,500 lb when properly equipped (best version; most trims are rated lower). Check the rating for the exact trim and hitch in the table below.

2018 Sierra prices and engines

The 2018 Sierra starts at $28,705 (Base RWD) and goes up to $56,055 (Denali). Properly equipped, it tows up to 12,500 lb.

TrimBodyEngineHPDriveEconomyTowsMSRP
BaseRegular Cab4.3L V6285RWD20 MPG8,900 lb$28,705
BaseRegular Cab4.3L V6285RWD20 MPG9,800 lb$29,095
BaseRegular Cab4.3L V62854WD19 MPG8,600 lb$32,645
BaseDouble Cab4.3L V6285RWD20 MPG9,400 lb$32,730
BaseRegular Cab4.3L V62854WD19 MPG9,500 lb$32,945
SLERegular Cab4.3L V6285RWD20 MPG8,900 lb$35,405
BaseCrew Cab · 5.8 ft bed4.3L V6285RWD20 MPG9,400 lb$35,470
SLERegular Cab4.3L V6285RWD20 MPG9,800 lb$35,530
BaseDouble Cab4.3L V62854WD19 MPG9,200 lb$36,710
SLEDouble Cab4.3L V6285RWD20 MPG11,100 lb$38,010
BaseCrew Cab · 5.8 ft bed4.3L V62854WD19 MPG9,100 lb$38,620
SLERegular Cab4.3L V62854WD19 MPG8,600 lb$39,310
SLERegular Cab4.3L V62854WD19 MPG9,500 lb$39,610
BaseCrew Cab · 6.5 ft bed5.3L V83554WD18 MPG9,100 lb$40,015
SLECrew Cab · 5.8 ft bed4.3L V6285RWD20 MPG11,000 lb$40,475
SLEDouble Cab4.3L V62854WD19 MPG10,800 lb$41,855
SLTDouble Cab5.3L V8355RWD19 MPG12,500 lb$42,530
SLECrew Cab · 5.8 ft bed4.3L V62854WD19 MPG10,700 lb$44,445
SLTCrew Cab · 5.8 ft bed5.3L V8355RWD19 MPG12,500 lb$44,990
SLTDouble Cab5.3L V83554WD18 MPG11,800 lb$45,780
SLECrew Cab · 6.5 ft bed5.3L V83554WD18 MPG10,700 lb$45,840
SLTCrew Cab · 5.8 ft bed5.3L V83554WD18 MPG11,700 lb$48,140
SLTCrew Cab · 6.5 ft bed5.3L V83554WD18 MPG11,700 lb$48,440
DenaliCrew Cab · 5.8 ft bed5.3L V8355RWD18 MPG9,300 lb$52,605

Manufacturer's suggested retail prices for the 2018 model year, before destination fees, taxes and options. Showing the 24 cheapest of 26 configurations.

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