Specifications Comparison: 2018 GMC Sierra 1500 vs 2024 Toyota Tundra

Headroom

2018 GMC Sierra 1500

Headroom (Imp.)

Trim	Eng.	Drive train	1st Row Headroom (in)	2nd Row Headroom (in)
1500 Crew Cab	4.3L V6	RWD	42.8	40.5
1500 Crew Cab	4.3L V6	4WD	42.8	40.5
1500 Crew Cab Denali	5.3L V8	RWD	42.8	40.5
1500 Crew Cab Denali	5.3L V8	4WD	42.8	40.5
1500 Crew Cab SLE	4.3L V6	RWD	42.8	40.5
1500 Crew Cab SLE	4.3L V6	4WD	42.8	40.5
1500 Crew Cab SLT	5.3L V8	RWD	42.8	40.5
1500 Crew Cab SLT	5.3L V8	4WD	42.8	40.5
1500 Crew Cab SLT eAssist	5.3L V8	RWD	42.8	40.5
1500 Crew Cab SLT eAssist	5.3L V8	4WD	42.8	40.5
1500 Extended Cab	4.3L V6	RWD	42.8	38.7
1500 Extended Cab	4.3L V6	4WD	42.8	38.7
1500 Extended Cab SLE	4.3L V6	RWD	42.8	38.7
1500 Extended Cab SLE	4.3L V6	4WD	42.8	38.7
1500 Extended Cab SLT	5.3L V8	RWD	42.8	38.7
1500 Extended Cab SLT	5.3L V8	4WD	42.8	38.7
1500 Regular Cab	4.3L V6	RWD	42.4
1500 Regular Cab	4.3L V6	4WD	42.4
1500 Regular Cab SLE	4.3L V6	RWD	42.4
1500 Regular Cab SLE	4.3L V6	4WD	42.4

2024 Toyota Tundra

Headroom (Imp.)

Trim	Eng.	Drive train	1st Row Headroom (in)	2nd Row Headroom (in)
1794 Edition CrewMax 5.5' Bed	3.4L V6	RWD	39.3	36.9
1794 Edition CrewMax 6.5' Bed	3.4L V6	RWD	39.3	36.9
1794 Edition CrewMax 5.5' Bed	Electric 3.4L V6	RWD	39.3	36.9
1794 Edition CrewMax 6.5' Bed	Electric 3.4L V6	RWD	39.3	36.9
Limited CrewMax 5.5' Bed	3.4L V6	RWD	41	38.5
Limited CrewMax 6.5' Bed	3.4L V6	RWD	41	38.5
Limited Double Cab 6.5' Bed	3.4L V6	RWD	41	38.5
Limited CrewMax 5.5' Bed	Electric 3.4L V6	RWD	41	38.5
Limited CrewMax 6.5' Bed	Electric 3.4L V6	RWD	41	38.5
Platinum CrewMax 5.5' Bed	3.4L V6	RWD	39.3	36.9
Platinum CrewMax 6.5' Bed	3.4L V6	RWD	39.3	36.9
Platinum CrewMax 5.5' Bed	Electric 3.4L V6	RWD	39.3	36.9
Platinum CrewMax 6.5' Bed	Electric 3.4L V6	RWD	39.3	36.9
SR CrewMax 5.5' Bed	3.4L V6	RWD	41	38.5
SR Double Cab 6.5' Bed	3.4L V6	RWD	41	38.9
SR Double Cab 8.1' Bed	3.4L V6	RWD	41	38.9
SR5 CrewMax 5.5' Bed	3.4L V6	RWD	41	38.5
SR5 CrewMax 6.5' Bed	3.4L V6	RWD	41	38.5
SR5 Double Cab 6.5' Bed	3.4L V6	RWD	41	38.9
SR5 Double Cab 8.1' Bed	3.4L V6	RWD	41	38.9
1794 Edition CrewMax 5.5' Bed	3.4L V6	4WD	39.3	36.9
1794 Edition CrewMax 6.5' Bed	3.4L V6	4WD	39.3	36.9
1794 Edition CrewMax 5.5' Bed	Electric 3.4L V6	4WD	39.3	36.9
1794 Edition CrewMax 6.5' Bed	Electric 3.4L V6	4WD	39.3	36.9
Limited CrewMax 5.5' Bed	3.4L V6	4WD	41	38.5
Limited CrewMax 6.5' Bed	3.4L V6	4WD	41	38.5
Limited Double Cab 6.5' Bed	3.4L V6	4WD	41	38.5
Limited CrewMax 5.5' Bed	Electric 3.4L V6	4WD	41	38.5
Limited CrewMax 6.5' Bed	Electric 3.4L V6	4WD	41	38.5
Platinum CrewMax 5.5' Bed	3.4L V6	4WD	39.3	36.9
Platinum CrewMax 6.5' Bed	3.4L V6	4WD	39.3	36.9
Platinum CrewMax 5.5' Bed	Electric 3.4L V6	4WD	39.3	36.9
Platinum CrewMax 6.5' Bed	Electric 3.4L V6	4WD	39.3	36.9
SR CrewMax 5.5' Bed	3.4L V6	4WD	41	38.5
SR Double Cab 6.5' Bed	3.4L V6	4WD	41	38.9
SR Double Cab 8.1' Bed	3.4L V6	4WD	41	38.9
SR5 CrewMax 5.5' Bed	3.4L V6	4WD	41	38.5
SR5 CrewMax 6.5' Bed	3.4L V6	4WD	41	38.5
SR5 Double Cab 6.5' Bed	3.4L V6	4WD	41	38.9
SR5 Double Cab 8.1' Bed	3.4L V6	4WD	41	38.9

2018 GMC Sierra 1500

Headroom (Metric)

Trim	Eng.	Drive train	1st Row Headroom (cm)	2nd Row Headroom (cm)
1500 Crew Cab	4.3L V6	RWD	108.7	102.9
1500 Crew Cab	4.3L V6	4WD	108.7	102.9
1500 Crew Cab Denali	5.3L V8	RWD	108.7	102.9
1500 Crew Cab Denali	5.3L V8	4WD	108.7	102.9
1500 Crew Cab SLE	4.3L V6	RWD	108.7	102.9
1500 Crew Cab SLE	4.3L V6	4WD	108.7	102.9
1500 Crew Cab SLT	5.3L V8	RWD	108.7	102.9
1500 Crew Cab SLT	5.3L V8	4WD	108.7	102.9
1500 Crew Cab SLT eAssist	5.3L V8	RWD	108.7	102.9
1500 Crew Cab SLT eAssist	5.3L V8	4WD	108.7	102.9
1500 Extended Cab	4.3L V6	RWD	108.7	98.3
1500 Extended Cab	4.3L V6	4WD	108.7	98.3
1500 Extended Cab SLE	4.3L V6	RWD	108.7	98.3
1500 Extended Cab SLE	4.3L V6	4WD	108.7	98.3
1500 Extended Cab SLT	5.3L V8	RWD	108.7	98.3
1500 Extended Cab SLT	5.3L V8	4WD	108.7	98.3
1500 Regular Cab	4.3L V6	RWD	107.7
1500 Regular Cab	4.3L V6	4WD	107.7
1500 Regular Cab SLE	4.3L V6	RWD	107.7
1500 Regular Cab SLE	4.3L V6	4WD	107.7

2018 GMC Sierra 1500

Headroom (Metric)

Trim	Eng.	Drive train	1st Row Headroom (cm)	2nd Row Headroom (cm)
1794 Edition CrewMax 5.5' Bed	3.4L V6	RWD	100	94
1794 Edition CrewMax 6.5' Bed	3.4L V6	RWD	100	94
1794 Edition CrewMax 5.5' Bed	Electric 3.4L V6	RWD	100	94
1794 Edition CrewMax 6.5' Bed	Electric 3.4L V6	RWD	100	94
Limited CrewMax 5.5' Bed	3.4L V6	RWD	104	98
Limited CrewMax 6.5' Bed	3.4L V6	RWD	104	98
Limited Double Cab 6.5' Bed	3.4L V6	RWD	104	98
Limited CrewMax 5.5' Bed	Electric 3.4L V6	RWD	104	98
Limited CrewMax 6.5' Bed	Electric 3.4L V6	RWD	104	98
Platinum CrewMax 5.5' Bed	3.4L V6	RWD	100	94
Platinum CrewMax 6.5' Bed	3.4L V6	RWD	100	94
Platinum CrewMax 5.5' Bed	Electric 3.4L V6	RWD	100	94
Platinum CrewMax 6.5' Bed	Electric 3.4L V6	RWD	100	94
SR CrewMax 5.5' Bed	3.4L V6	RWD	104	98
SR Double Cab 6.5' Bed	3.4L V6	RWD	104	99
SR Double Cab 8.1' Bed	3.4L V6	RWD	104	99
SR5 CrewMax 5.5' Bed	3.4L V6	RWD	104	98
SR5 CrewMax 6.5' Bed	3.4L V6	RWD	104	98
SR5 Double Cab 6.5' Bed	3.4L V6	RWD	104	99
SR5 Double Cab 8.1' Bed	3.4L V6	RWD	104	99
1794 Edition CrewMax 5.5' Bed	3.4L V6	4WD	100	94
1794 Edition CrewMax 6.5' Bed	3.4L V6	4WD	100	94
1794 Edition CrewMax 5.5' Bed	Electric 3.4L V6	4WD	100	94
1794 Edition CrewMax 6.5' Bed	Electric 3.4L V6	4WD	100	94
Limited CrewMax 5.5' Bed	3.4L V6	4WD	104	98
Limited CrewMax 6.5' Bed	3.4L V6	4WD	104	98
Limited Double Cab 6.5' Bed	3.4L V6	4WD	104	98
Limited CrewMax 5.5' Bed	Electric 3.4L V6	4WD	104	98
Limited CrewMax 6.5' Bed	Electric 3.4L V6	4WD	104	98
Platinum CrewMax 5.5' Bed	3.4L V6	4WD	100	94
Platinum CrewMax 6.5' Bed	3.4L V6	4WD	100	94
Platinum CrewMax 5.5' Bed	Electric 3.4L V6	4WD	100	94
Platinum CrewMax 6.5' Bed	Electric 3.4L V6	4WD	100	94
SR CrewMax 5.5' Bed	3.4L V6	4WD	104	98
SR Double Cab 6.5' Bed	3.4L V6	4WD	104	99
SR Double Cab 8.1' Bed	3.4L V6	4WD	104	99
SR5 CrewMax 5.5' Bed	3.4L V6	4WD	104	98
SR5 CrewMax 6.5' Bed	3.4L V6	4WD	104	98
SR5 Double Cab 6.5' Bed	3.4L V6	4WD	104	99
SR5 Double Cab 8.1' Bed	3.4L V6	4WD	104	99