Specifications Comparison: 2023 Chevrolet Silverado 1500 vs 2003 Chevrolet Silverado 1500

Gas Tank Size

Trim	Eng.	Drive train	Fuel Tank Size (Gal)	Fuel Tank Size (L)
Custom Crew Cab 147"	2.7L	RWD	24.0	90.8
Custom Double Cab 147"	2.7L	RWD	24.0	90.8
Custom Crew Cab 147"	2.7L	4WD	24.0	90.8
Custom Crew Cab 157"	2.7L	4WD	24.0	90.8
Custom Double Cab 147"	2.7L	4WD	24.0	90.8
High Country Crew Cab 147"	5.3L V8	RWD	24.0	90.8
High Country Crew Cab 147"	5.3L V8	4WD	24.0	90.8
High Country Crew Cab 157"	5.3L V8	4WD	24.0	90.8
LT Crew Cab 147"	2.7L	RWD	24.0	90.8
LT Crew Cab 157"	2.7L	RWD	24.0	90.8
LT Double Cab 147"	2.7L	RWD	24.0	90.8
LT Crew Cab 147" w/ 1LT	2.7L	4WD	24.0	90.8
LT Crew Cab 147" w/ 2FL	2.7L	4WD	24.0	90.8
LT Crew Cab 157"	2.7L	4WD	24.0	90.8
LT Double Cab 147" w/ 1LT	2.7L	4WD	24.0	90.8
LT Double Cab 147" w/ 2FL	2.7L	4WD	24.0	90.8
LTZ Crew Cab 147"	5.3L V8	RWD	24.0	90.8
LTZ Crew Cab 147"	5.3L V8	4WD	24.0	90.8
LTZ Crew Cab 157"	5.3L V8	4WD	24.0	90.8
RST Crew Cab 147"	5.3L V8	RWD	24.0	90.8
RST Crew Cab 147"	5.3L V8	4WD	24.0	90.8
RST Crew Cab 157"	5.3L V8	4WD	24.0	90.8
RST Double Cab 147"	2.7L	4WD	24.0	90.8
Work Crew Cab 147"	2.7L	RWD	24.0	90.8
Work Crew Cab 157"	2.7L	RWD	24.0	90.8
Work Double Cab 147"	2.7L	RWD	24.0	90.8
Work Reg Cab 126"	2.7L	RWD	24.0	90.8
Work Reg Cab 140"	2.7L	RWD	28.0	106.0
Work Crew Cab 147"	2.7L	4WD	24.0	90.8
Work Crew Cab 157"	2.7L	4WD	24.0	90.8
Work Double Cab 147"	2.7L	4WD	24.0	90.8
Work Reg Cab 126"	2.7L	4WD	24.0	90.8
Work Reg Cab 140"	2.7L	4WD	28.0	106.0
Custom Trail Boss Crew Cab 147"	2.7L	4WD	24.0	90.8
Custom Trail Boss Crew Cab 157"	2.7L	4WD	24.0	90.8
LT Trail Boss Crew Cab 147"	2.7L	4WD	24.0	90.8
LT Trail Boss Crew Cab 157"	2.7L	4WD	24.0	90.8
ZR2 Crew Cab 147"	6.2L V8	4WD	24.0	90.8

Trim	Eng.	Drive train	Fuel Tank Size (Gal)	Fuel Tank Size (L)
Extended Cab	V6	RWD	26.0	98.4
Extended Cab	V8	4WD	26.0	98.4
Extended Cab LS	V6	RWD	26.0	98.4
Extended Cab LS	V8	4WD	26.0	98.4
Extended Cab LT	V8	RWD	26.0	98.4
Extended Cab LT	V8	4WD	26.0	98.4
Regular Cab	V6	RWD	34.0	128.7
Regular Cab	V6	4WD	26.0	98.4
Regular Cab LS	V6	RWD	26.0	98.4
Regular Cab LS	V6	4WD	26.0	98.4
HD Crew Cab LS	V8	RWD	26.0	98.4
HD Crew Cab LS	V8	4WD	26.0	98.4
HD Crew Cab LT	V8	RWD	26.0	98.4
HD Crew Cab LT	V8	4WD	26.0	98.4

Trim	Eng.	Drive train	City (Miles)	Highway (Miles)	Combined (Miles)
Custom Crew Cab 147"	2.7L	RWD	456	528	492
Custom Double Cab 147"	2.7L	RWD	456	528	492
Custom Crew Cab 147"	2.7L	4WD	432	504	468
Custom Crew Cab 157"	2.7L	4WD	432	504	468
Custom Double Cab 147"	2.7L	4WD	432	504	468
High Country Crew Cab 147"	5.3L V8	RWD	408	504	456
High Country Crew Cab 147"	5.3L V8	4WD	384	480	432
High Country Crew Cab 157"	5.3L V8	4WD	384	480	432
LT Crew Cab 147"	2.7L	RWD	456	528	492
LT Crew Cab 157"	2.7L	RWD	456	528	492
LT Double Cab 147"	2.7L	RWD	456	528	492
LT Crew Cab 147" w/ 1LT	2.7L	4WD	432	504	468
LT Crew Cab 147" w/ 2FL	2.7L	4WD	432	504	468
LT Crew Cab 157"	2.7L	4WD	432	504	468
LT Double Cab 147" w/ 1LT	2.7L	4WD	432	504	468
LT Double Cab 147" w/ 2FL	2.7L	4WD	432	504	468
LTZ Crew Cab 147"	5.3L V8	RWD	408	504	456
LTZ Crew Cab 147"	5.3L V8	4WD	384	480	432
LTZ Crew Cab 157"	5.3L V8	4WD	384	480	432
RST Crew Cab 147"	5.3L V8	RWD	408	504	456
RST Crew Cab 147"	5.3L V8	4WD	384	480	432
RST Crew Cab 157"	5.3L V8	4WD	384	480	432
RST Double Cab 147"	2.7L	4WD	432	504	468
Work Crew Cab 147"	2.7L	RWD	456	528	492
Work Crew Cab 157"	2.7L	RWD	456	528	492
Work Double Cab 147"	2.7L	RWD	456	528	492
Work Reg Cab 126"	2.7L	RWD	456	528	492
Work Reg Cab 140"	2.7L	RWD	532	616	574
Work Crew Cab 147"	2.7L	4WD	432	504	468
Work Crew Cab 157"	2.7L	4WD	432	504	468
Work Double Cab 147"	2.7L	4WD	432	504	468
Work Reg Cab 126"	2.7L	4WD	432	504	468
Work Reg Cab 140"	2.7L	4WD	504	588	546
Custom Trail Boss Crew Cab 147"	2.7L	4WD	408	432	420
Custom Trail Boss Crew Cab 157"	2.7L	4WD	408	432	420
LT Trail Boss Crew Cab 147"	2.7L	4WD	408	432	420
LT Trail Boss Crew Cab 157"	2.7L	4WD	408	432	420
ZR2 Crew Cab 147"	6.2L V8	4WD	336	408	372

Trim	Eng.	Drive train	City (Miles)	Highway (Miles)	Combined (Miles)
Extended Cab	V6	RWD	390	520	455
Extended Cab	V8	4WD	260	312	286
Extended Cab LS	V6	RWD	286	312	299
Extended Cab LS	V8	4WD	260	312	286
Extended Cab LT	V8	RWD	286	312	299
Extended Cab LT	V8	4WD	260	312	286
Regular Cab	V6	RWD	510	408	459
Regular Cab	V6	4WD	260	312	286
Regular Cab LS	V6	RWD	390	312	351
Regular Cab LS	V6	4WD	260	312	286

Trim	Eng.	Drive train	City (KM)	Highway (KM)	Combined (KM)
Custom Crew Cab 147"	2.7L	RWD	734	850	792
Custom Double Cab 147"	2.7L	RWD	734	850	792
Custom Crew Cab 147"	2.7L	4WD	695	811	753
Custom Crew Cab 157"	2.7L	4WD	695	811	753
Custom Double Cab 147"	2.7L	4WD	695	811	753
High Country Crew Cab 147"	5.3L V8	RWD	657	811	734
High Country Crew Cab 147"	5.3L V8	4WD	618	772	695
High Country Crew Cab 157"	5.3L V8	4WD	618	772	695
LT Crew Cab 147"	2.7L	RWD	734	850	792
LT Crew Cab 157"	2.7L	RWD	734	850	792
LT Double Cab 147"	2.7L	RWD	734	850	792
LT Crew Cab 147" w/ 1LT	2.7L	4WD	695	811	753
LT Crew Cab 147" w/ 2FL	2.7L	4WD	695	811	753
LT Crew Cab 157"	2.7L	4WD	695	811	753
LT Double Cab 147" w/ 1LT	2.7L	4WD	695	811	753
LT Double Cab 147" w/ 2FL	2.7L	4WD	695	811	753
LTZ Crew Cab 147"	5.3L V8	RWD	657	811	734
LTZ Crew Cab 147"	5.3L V8	4WD	618	772	695
LTZ Crew Cab 157"	5.3L V8	4WD	618	772	695
RST Crew Cab 147"	5.3L V8	RWD	657	811	734
RST Crew Cab 147"	5.3L V8	4WD	618	772	695
RST Crew Cab 157"	5.3L V8	4WD	618	772	695
RST Double Cab 147"	2.7L	4WD	695	811	753
Work Crew Cab 147"	2.7L	RWD	734	850	792
Work Crew Cab 157"	2.7L	RWD	734	850	792
Work Double Cab 147"	2.7L	RWD	734	850	792
Work Reg Cab 126"	2.7L	RWD	734	850	792
Work Reg Cab 140"	2.7L	RWD	856	991	924
Work Crew Cab 147"	2.7L	4WD	695	811	753
Work Crew Cab 157"	2.7L	4WD	695	811	753
Work Double Cab 147"	2.7L	4WD	695	811	753
Work Reg Cab 126"	2.7L	4WD	695	811	753
Work Reg Cab 140"	2.7L	4WD	811	946	879
Custom Trail Boss Crew Cab 147"	2.7L	4WD	657	695	676
Custom Trail Boss Crew Cab 157"	2.7L	4WD	657	695	676
LT Trail Boss Crew Cab 147"	2.7L	4WD	657	695	676
LT Trail Boss Crew Cab 157"	2.7L	4WD	657	695	676
ZR2 Crew Cab 147"	6.2L V8	4WD	541	657	599

Trim	Eng.	Drive train	City (KM)	Highway (KM)	Combined (KM)
Extended Cab	V6	RWD	628	837	732
Extended Cab	V8	4WD	418	502	460
Extended Cab LS	V6	RWD	460	502	481
Extended Cab LS	V8	4WD	418	502	460
Extended Cab LT	V8	RWD	460	502	481
Extended Cab LT	V8	4WD	418	502	460
Regular Cab	V6	RWD	821	657	739
Regular Cab	V6	4WD	418	502	460
Regular Cab LS	V6	RWD	628	502	565
Regular Cab LS	V6	4WD	418	502	460