Specifications Comparison: 2008 Ford F-150 vs 2024 GMC Sierra 1500

Headroom

Trim	Eng.	Drive train	1st Row Headroom (in)	2nd Row Headroom (in)
Regular Cab FX2	4.6L V8	RWD	40.9
Regular Cab FX4	5.4L V8	4WD	40.9
Regular Cab STX	4.2L V6	RWD	40.9
Regular Cab STX	4.6L V8	4WD	40.9
Regular Cab XL	4.2L V6	RWD	40.9
Regular Cab XL	4.6L V8	4WD	40.9
Regular Cab XLT	4.2L V6	RWD	40.9
Regular Cab XLT	4.6L V8	4WD	40.9
Supercab FX2	4.6L V8	RWD	40.9	39.6
Supercab FX4	5.4L V8	4WD	40.9	39.6
Supercab Lariat	5.4L V8	RWD	40.9	39.6
Supercab Lariat	5.4L V8	4WD	40.9	39.6
Supercab STX	4.6L V8	RWD	40.9	39.6
Supercab STX	4.6L V8	4WD	40.9	39.6
Supercab XL	4.6L V8	RWD	40.9	39.6
Supercab XL	4.6L V8	4WD	40.9	39.6
Supercab XLT	4.6L V8	RWD	40.9	39.6
Supercab XLT	4.6L V8	4WD	40.9	39.6
SuperCrew FX2	4.6L V8	RWD	40.1	39.6
SuperCrew FX4	5.4L V8	4WD	40.1	39.6
SuperCrew HarleyDavidson	5.4L V8	RWD	40.1	39.6
SuperCrew HarleyDavidson	5.4L V8	AWD	40.1	39.6
SuperCrew King Ranch	5.4L V8	RWD	40.1	39.6
SuperCrew King Ranch	5.4L V8	4WD	40.1	39.6
SuperCrew Lariat	5.4L V8	RWD	40.1	39.6
SuperCrew Lariat	5.4L V8	4WD	40.1	39.6
SuperCrew Limited	5.4L V8	RWD	40.1	39.6
SuperCrew Limited	5.4L V8	AWD	40.1	39.6
SuperCrew XL	4.6L V8	RWD	40.1	39.6
SuperCrew XL	4.6L V8	4WD	40.1	39.6
SuperCrew XLT	4.6L V8	RWD	40.1	39.6
SuperCrew XLT	4.6L V8	4WD	40.1	39.6

Trim	Eng.	Drive train	1st Row Headroom (in)	2nd Row Headroom (in)
Denali Crew Cab 147"	5.3L V8	RWD	43.03	40.12
Denali Crew Cab 147"	5.3L V8	4WD	43.03	40.12
Denali Crew Cab 157"	5.3L V8	4WD	43.03	40.12
Elevation Crew Cab 147"		RWD	43.03	40.12
Elevation Double Cab 147"		RWD	43.03	39.88
Elevation Crew Cab 147" w/3SB		4WD	43.03	40.12
Elevation Crew Cab 147" w/3VL		4WD	43.03	40.12
Elevation Crew Cab 157"		4WD	43.03	40.12
Elevation Double Cab 147" w/3SB		4WD	43.03	39.88
Elevation Double Cab 147" w/3VL		4WD	43.03	39.88
Pro Crew Cab 147"		RWD	43.03	40.12
Pro Double Cab 147"		RWD	43.03	39.88
Pro Reg Cab 126"		RWD	43.11
Pro Reg Cab 140"		RWD	43.11
Pro Crew Cab 147"		4WD	43.03	40.12
Pro Crew Cab 157"		4WD	43.03	40.12
Pro Double Cab 147"		4WD	43.03	39.88
Pro Reg Cab 126"		4WD	43.11
Pro Reg Cab 140"		4WD	43.11
SLE Crew Cab 147"		RWD	43.03	40.12
SLE Double Cab 147"		RWD	43.03	39.88
SLE Crew Cab 147"		4WD	43.03	40.12
SLE Crew Cab 157"		4WD	43.03	40.12
SLE Double Cab 147"		4WD	43.03	39.88
SLT Crew Cab 147"	5.3L V8	RWD	43.03	40.12
SLT Crew Cab 147"	5.3L V8	4WD	43.03	40.12
SLT Crew Cab 157"	5.3L V8	4WD	43.03	40.12
AT4 Crew Cab 147"	3.0L I6	4WD	43.03	40.12
AT4 Crew Cab 157"	3.0L I6	4WD	43.03	40.12
AT4X Crew Cab 147"	3.0L I6	4WD	43.03	40.12
Denali Ultimate Crew Cab 147"	6.2L V8	4WD	43.03	40.12

Trim	Eng.	Drive train	1st Row Headroom (cm)	2nd Row Headroom (cm)
Regular Cab FX2	4.6L V8	RWD	103.9
Regular Cab FX4	5.4L V8	4WD	103.9
Regular Cab STX	4.2L V6	RWD	103.9
Regular Cab STX	4.6L V8	4WD	103.9
Regular Cab XL	4.2L V6	RWD	103.9
Regular Cab XL	4.6L V8	4WD	103.9
Regular Cab XLT	4.2L V6	RWD	103.9
Regular Cab XLT	4.6L V8	4WD	103.9
Supercab FX2	4.6L V8	RWD	103.9	100.6
Supercab FX4	5.4L V8	4WD	103.9	100.6
Supercab Lariat	5.4L V8	RWD	103.9	100.6
Supercab Lariat	5.4L V8	4WD	103.9	100.6
Supercab STX	4.6L V8	RWD	103.9	100.6
Supercab STX	4.6L V8	4WD	103.9	100.6
Supercab XL	4.6L V8	RWD	103.9	100.6
Supercab XL	4.6L V8	4WD	103.9	100.6
Supercab XLT	4.6L V8	RWD	103.9	100.6
Supercab XLT	4.6L V8	4WD	103.9	100.6
SuperCrew FX2	4.6L V8	RWD	101.9	100.6
SuperCrew FX4	5.4L V8	4WD	101.9	100.6
SuperCrew HarleyDavidson	5.4L V8	RWD	101.9	100.6
SuperCrew HarleyDavidson	5.4L V8	AWD	101.9	100.6
SuperCrew King Ranch	5.4L V8	RWD	101.9	100.6
SuperCrew King Ranch	5.4L V8	4WD	101.9	100.6
SuperCrew Lariat	5.4L V8	RWD	101.9	100.6
SuperCrew Lariat	5.4L V8	4WD	101.9	100.6
SuperCrew Limited	5.4L V8	RWD	101.9	100.6
SuperCrew Limited	5.4L V8	AWD	101.9	100.6
SuperCrew XL	4.6L V8	RWD	101.9	100.6
SuperCrew XL	4.6L V8	4WD	101.9	100.6
SuperCrew XLT	4.6L V8	RWD	101.9	100.6
SuperCrew XLT	4.6L V8	4WD	101.9	100.6

Trim	Eng.	Drive train	1st Row Headroom (cm)	2nd Row Headroom (cm)
Denali Crew Cab 147"	5.3L V8	RWD	109	102
Denali Crew Cab 147"	5.3L V8	4WD	109	102
Denali Crew Cab 157"	5.3L V8	4WD	109	102
Elevation Crew Cab 147"		RWD	109	102
Elevation Double Cab 147"		RWD	109	101
Elevation Crew Cab 147" w/3SB		4WD	109	102
Elevation Crew Cab 147" w/3VL		4WD	109	102
Elevation Crew Cab 157"		4WD	109	102
Elevation Double Cab 147" w/3SB		4WD	109	101
Elevation Double Cab 147" w/3VL		4WD	109	101
Pro Crew Cab 147"		RWD	109	102
Pro Double Cab 147"		RWD	109	101
Pro Reg Cab 126"		RWD	109
Pro Reg Cab 140"		RWD	109
Pro Crew Cab 147"		4WD	109	102
Pro Crew Cab 157"		4WD	109	102
Pro Double Cab 147"		4WD	109	101
Pro Reg Cab 126"		4WD	109
Pro Reg Cab 140"		4WD	109
SLE Crew Cab 147"		RWD	109	102
SLE Double Cab 147"		RWD	109	101
SLE Crew Cab 147"		4WD	109	102
SLE Crew Cab 157"		4WD	109	102
SLE Double Cab 147"		4WD	109	101
SLT Crew Cab 147"	5.3L V8	RWD	109	102
SLT Crew Cab 147"	5.3L V8	4WD	109	102
SLT Crew Cab 157"	5.3L V8	4WD	109	102
AT4 Crew Cab 147"	3.0L I6	4WD	109	102
AT4 Crew Cab 157"	3.0L I6	4WD	109	102
AT4X Crew Cab 147"	3.0L I6	4WD	109	102
Denali Ultimate Crew Cab 147"	6.2L V8	4WD	109	102