Specifications Comparison: 2014 GMC Sierra 1500 vs 2007 GMC Sierra 1500

Seating Capacity

Trim	Engine	Seating Capacity
1500 Crew Cab	4.3L V6	6
1500 Crew Cab	4.3L V6	6
1500 Crew Cab Denali	5.3L V8	6
1500 Crew Cab Denali	5.3L V8	6
1500 Crew Cab SLE	4.3L V6	6
1500 Crew Cab SLE	4.3L V6	6
1500 Crew Cab SLT	5.3L V8	6
1500 Crew Cab SLT	5.3L V8	6
1500 Extended Cab	4.3L V6	6
1500 Extended Cab	4.3L V6	6
1500 Extended Cab SLE	4.3L V6	6
1500 Extended Cab SLE	4.3L V6	6
1500 Extended Cab SLT	5.3L V8	6
1500 Extended Cab SLT	5.3L V8	6
1500 Regular Cab	4.3L V6	3
1500 Regular Cab	4.3L V6	3
1500 Regular Cab SLE	4.3L V6	3
1500 Regular Cab SLE	4.3L V6	3

Trim	Engine	Seating Capacity
1500 Extended Cab SLE	4.8L V8	6
1500 Regular Cab SLE	4.3L V6	3
1500 Crew Cab SL	4.8L V8	6
1500 Crew Cab SL	4.8L V8	6
1500 Crew Cab SLE	4.8L V8	6
1500 Crew Cab SLE	4.8L V8	6
1500 Crew Cab SLT	5.3L V8	5
1500 Crew Cab SLT	5.3L V8	5
1500 Extended Cab SLE	4.3L V6	6
1500 Extended Cab SLT	5.3L V8	5
1500 Extended Cab SLT	5.3L V8	5
1500 Regular Cab SLE	4.3L V6	3
Classic 1500 Crew Cab SL	4.8L V8	6
Classic 1500 Crew Cab SL	4.8L V8	6
Classic 1500 Crew Cab SLE	5.3L V8	6
Classic 1500 Crew Cab SLE	5.3L V8	6
Classic 1500 Crew Cab SLT	5.3L V8	5
Classic 1500 Crew Cab SLT	5.3L V8	5
Classic 1500 Extended Cab SLT	5.3L V8	5
Classic 1500 Extended Cab SLT	5.3L V8	5
Classic 1500 Extended Cab SLE	5.3L V8	6
Classic 1500 Extended Cab SLE	5.3L V8	6
HD Classic 1500 Crew Cab SLE	6.0L V8	6
HD Classic 1500 Crew Cab SLE	6.0L V8	6
HD Classic 1500 Crew Cab SLT	6.0L V8	5
HD Classic 1500 Crew Cab SLT	6.0L V8	5
Crew Cab Denali	6.2L V8	5
Crew Cab Denali	6.2L V8	5
Crew Cab Denali	6.0L V8	5