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2003 Chevy Express- Review
2003 Chevrolet Express EXT - Review
2003 Chevy Express - Photos
2003 Chevrolet Reviews
2003 Chevy Express - Price Quote

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Chevy Express - Engine Specs
Chevy Express - Transmission Specs
Chevy Express - Chassis / Suspension
Chevy Express - Exterior Dimensions
Chevy Express - Interior Dimensions
Chevy Express - Capacities

Engines	Vortec 4300 4.3L V6 (LU3)	Vortec 4800 4.8L V8 (LR4)	Vortec 5300 5.3L V8 (LM7)	Vortec 6000 6.0L V8 (LQ4)
Type	4.3-liter V-6	4.8-liter V8	5.3-liter V8	6.0-liter V8
Displacement (cu in / cc)	262 / 4293	294 / 4807	327 / 5328	366 / 5998
Bore & stroke (in / mm)	4.00 x 3.48 / 101.6 x 88	3.78 x 3.62 / 96 x 83	3.78 x 3.27 / 96 x 92	4.00 x 3.62 / 101.6 x 92
Block material	cast iron	cast iron	cast iron	cast iron
Cylinder head material	cast iron	cast iron	cast iron	cast iron
Valvetrain	OHV, 2 valves per cylinder	OHV, 2 valves per cylinder	OHV, 2 valves per cylinder	OHV, 2 valves per cylinder
Ignition system	composite distributor, platinum-tip spark plugs, low-resistance spark plug wires	composite distributor, platinum-tip spark plugs, low-resistance spark plug wires	electronic spark control, composite distributor, platinum-tip spark plugs	coil near plug, platinum-tip spark plugs, low resistance spark plug wires
Fuel delivery	sequential fuel injection	sequential fuel injection	sequential fuel injection	modified sequential fuel injection
Compression ratio	9.2:1	9.5:1	9.5:1	9.4:1
Horsepower (hp / kw @ rpm)	200 / 149 @ 4400	270 / 201 @ 5200	285 / 213 @ 5200	300 / 224 @ 4400
Torque (lb-ft / Nm @ rpm)	250 / 339 @ 2800	285 / 386 @ 4,000	325 / 441 @ 4,000	360 / 488 @ 4,000
Recommended unleaded fuel	87 octane	87 octane	87 octane	87 octane
Maximum engine speed (rpm)	5600	5600	5600	5000
Emissions controls	three-way catalytic converter, exhaust gas recirculation, positive crankcase ventilation, evaporative collection system	three-way catalytic converter, exhaust gas recirculation, positive crankcase ventilation, evaporative collection system	three-way catalytic converter, exhaust gas recirculation, positive crankcase ventilation, evaporative collection system	three-way catalytic converter, exhaust gas recirculation, positive crankcase ventilation, evaporative collection system
Estimated fuel economy (mpg city / hwy / combined)
Cargo	15 / 18 / 16	15 / 19 / 17	14 / 17 / 15	Not available
Passenger	14 / 18 / 16	14 / 18 / 16	13 / 17 / 15	Not available

Transmissions	Hydra-Matic 4L60-E	Hydra-Matic 4L80-E
Type	4-speed electronic automatic with overdrive and torque converter	4-speed heavy-duty electronic automatic with overdrive and torque converter
Gear ratios (:1)
1st	3.06	2.48
2nd	1.63	1.48
3rd	1.00	1.00
4th	0.70	0.75
Reverse	2.29	2.08
Final drive ratio	3.42:1 std. with 4.3-liter, 5.3-liter on 1500 Series
	3.73:1 std. with 4.3-liter on 2500 Series; opt. with 5.3-liter on 1500 Series and std. with 5.3-liter on 2500 Series; std. with 4.8-liter on 2500 Series and some 6.0-liter models
	4.10:1 opt. with 4.8-liter on 2500 Series and std. on 3500 Series; std. or opt. with 6.0-liter, depending on the model

Chassis/Suspension	G1500	G2500 (135-, 155-in WB)	G3500 (135-, 155-in WB)
Front	independent short/long arm (SLA) coil springs, 33mm stabilizer bar	independent short/long arm (SLA) coil springs, 35mm stabilizer bar	independent short/long arm (SLA) coil springs, 35mm stabilizer bar
Rear	two-stage, semi-elliptic multileaf springs and semifloating rear axle	two-stage, semi-elliptic multileaf springs and semifloating rear axle (depending on the GVW)	two-stage, semi-elliptic multileaf springs and semifloating rear axle
Steering type (all models)	power, rack and pinion integral power integral power
Steering ratio	17.3:1	17.2:1	17.2:1
Steering wheel turns, lock-to-lock	3	3	3
Turning circle, curb-to-curb (ft / m)
135-in WB	48.6 / 14.8	48.6 / 14.8	48.6 / 14.8
155-in WB	-	54.5 / 16.6	54.5 / 16.6

Brakes	6,200-7,300 lb GVW	7,300 lb GVW	8,600 lb GVW	9,600 lb GVW	12,300 lb GVW
Type (all models)	HydroBoost 4-wheel-disc, 4-wheel ABS with Dynamic Rear Proportioning
Rotor diameter x thick (in / mm)
Front	12.01 x 1.14 / 305 x 29	12.01 x 1.14 / 305 x 29	12.80 x 1.50 / 325 x 38	12.80 x 1.50 / 325 x 38	12.80 x 1.50 / 325 x 38
Rear	13 x 1.14 / 330 x 29	13 x 1.14 / 330 x 29	13 x 1.14 / 330 x 29	13 x 1.14 / 330 x 29	12.80 x 1.20 / 325 x 30
Total Swept Area (sq in / sq cm)
Front	213.6 / 1378	213.6 / 1378	245.5 / 1584	245.5 / 158	245.5 / 1584
Rear	236.5 / 1526	236.5 / 1526	236.5 / 1526	236.5 / 1526	235.1 / 1517

Wheels/Tires	G1500	G2500 (135-, 155-in WB)	G3500 (135-, 155-in WB)
Wheel size & type	15-inch steel standard brushed chrome (standard) SLT	16-inch steel standard	16-inch steel standard
Tires	P235/75R15* all-season steel-belted radials	LT225/75R16E** all-season steel-belted radials	LT245/75R16E all-season steel-belted radials
Standard on all G1500, except cargo van with 6,100-lb GVWR, which has a standard P215/75R15 *Standard on all G2500, except cargo van with 7,300-lb GVWR, which has a standard LT225/75R16D

Exterior Dimensions	G1500 Regular	G2500 Regular	G2500 Extended	G3500 Regular	G3500 Extended
Wheelbase (in / mm)	135 / 3429	135 / 3429	155 / 3937	135 / 3429	155 / 3937
Overall length (in / mm)	224.1 / 5692	224.1 / 5692	155 / 3937	224.1 / 5692	155 / 3937
Overall width (in / mm)	79.4 / 2016	79.4 / 2016	79.4 / 2016	79.4 / 2016	155 / 3937
Overall height (in / mm)	81.6 / 2072	82 / 2082	82 / 2082	82 / 2082	82 / 2082
Track (in / mm)
Front	67.8 / 1721	67.8 / 1721	67.8 / 1721	67.8 / 1721	67.8 / 1721
Rear	67.8 / 1721	67.8 / 1721	67.8 / 1721	67.8 / 1721	67.8 / 1721
Min. ground clearance (in / mm)
Front	7.6 / 193	8.2 / 208	8.1 / 206	8.7 / 221	8.7 / 221
Rear	7.2 / 183	8 / 203	8 / 203	8.5 / 216	8.5 / 216
Ground to top of rear load floor (in / mm)
Passenger	25.5 / 648	27.2 / 690	27.2 / 690	27.8 / 707	27.8 / 707
Cargo	22.8 / 580	25.1 / 637	27.2 / 690	27.8 / 707	27.8 / 707
Step-in height (in / mm)
Passenger, front door	17.3 / 439	19 / 483	19 / 483	19.6 / 498	19.6 / 498
Passenger, side door	15.5 / 394	18 / 457	18 / 457	19.5 / 495	19.6 / 498
Cargo, front door	16.9 / 428	18.8 / 478	18.8 / 478	20.5 / 521	20.6 / 523
Cargo, side door	15.5 / 394	18 / 457	18 / 457	19.5 / 495	19.6 / 498
Curb weight (lbs / kg)
Cargo	4596 / 2085	4711 / 2137	4885 / 2216	5021 / 2396	19.6 / 498
Passenger	5015 / 2275	5645 / 2561	5985 / 2716	5021 / 2396	6122 / 2778

Interior Dimensions	G1500 Regular	G2500 Regular	G2500 Extended	G3500 Regular	G3500 Extended
Seating capacity (std / opt)
Passenger van	8	12 / 8	12	12 / 8	12 / 15
Cargo van	2 / 1	2 / 1	2 / 1	2 / 1	2 / 1
Headroom (in / mm):
Front	40.2 / 1021	40.6 / 1032	40.6 / 1032	40.6 / 1032	40.6 / 1032
Middle (first row)	38.5 / 978	39.1 / 992	39.1 / 992	39.1 / 992	39.1 / 992
Middle (second row)	39.2 / 996	39.2 / 996	39.2 / 996	39.2 / 996	39.2 / 996
Rear (12-pass)	-	38.9 / 988	38.9 / 988	38.9 / 988	38.9 / 988
Rear (15-pass)	-	-	38.2 / 971	-	38.2 / 971
Leg room (in / mm):
Front	41.2 / 1047	41.2 / 1047	41.2 / 1047	41.2 / 1047	41.2 / 1047
Middle (first row)	38.6 / 980	38.6 / 980	38.6 / 980	38.6 / 980	38.6 / 980
Middle (second row)	38.6 / 980	38.6 / 980	38.6 / 980	38.6 / 980	38.6 / 980
Rear (12-pass)	-	38.6 / 980	38.6 / 980	38.6 / 980	38.6 / 980
Rear (15-pass)	-	-	36.3 / 921	-	36.3 / 921
Shoulder room (in / mm):
Front	68.8 / 1748	68.8 / 1748	68.8 / 1748	68.8 / 1748	68.8 / 1748
Middle (first row)	68.8 / 1748	68.8 / 1748	68.8 / 1748	68.8 / 1748	68.8 / 1748
Middle (second row)	66.8 / 1697	66.8 / 1697	66.8 / 1697	66.8 / 1697	66.8 / 1697
Rear (12-pass)	-	57.2 / 1452	57.2 / 1452	57.2 / 1452	57.2 / 1452
Rear (15-pass)	-	-	61.2 / 1555	-	61.2 / 1555
Hip room (in / mm):
Front	63.9 / 1652	63.9 / 1652	63.9 / 1652	63.9 / 1652	63.9 / 1652
Middle (first row)	67.6 / 1716	67.6 / 1716	67.6 / 1716	67.6 / 1716	67.6 / 1716
Middle (second row)	56.1 / 1425	56.1 / 1425	55.6 / 1411	56.1 / 1425	55.6 / 1411
Rear (12-pass)	-	56.8 / 1443	56.8 / 1443	56.8 / 1443	56.8 / 1443
Rear (15-pass)	-	-	61 / 1550	-	61 / 1550
Cargo volume (cu ft / liters):
Behind front seat	267.3 / 7569	267.3 / 7569	316.8 / 8970	267.3 / 7569	316.8 / 8970
Width between wheelhousings (in / mm)
Cargo	50.8 / 1290	50.8 / 1290	50.8 / 1290	50.8 / 1290	50.8 / 1290
Passenger	50 / 1271	50 / 1271	50 / 1271	50 / 1271	50 / 1271
Load floor length (in / mm)
Behind 1st row seat, Cargo	127.6 / 3240	127.6 / 3240	147.6 / 3748	127.6 / 3240	147.6 / 3748
Behind 1st row seat, Passenger	126.3 / 3208	126.3 / 3208	146.3 / 3716	126.3 / 3208	146.3 / 3716
Behind 2nd row, Passenger	89.4 / 2272	89.4 / 2272	109.4 / 2778	89.4 / 2272	109.4 / 2778
Behind 3rd row, Passenger	57.4 / 1457	57.4 / 1457	77.5 / 1969	57.4 / 1457	77.5 / 1969
Behind 4th row, Passenger	-	-	45.6 / 1159	-	45.6 / 1159
Behind 5th row, Passenger	-	-	-	-
Interior height (in / mm):
Cargo	54.8 / 1392	54.8 / 1392	54.8 / 1392	54.8 / 1392	54.8 / 1392
Passenger	51.8 / 1316	51.8 / 1316	51.8 / 1316	51.8 / 1316	51.8 / 1316

Capacities	G1500 Regular	G2500 Regular	G2500 Extended	G3500 Regular	G3500 Extended
GVWR (lbs / kg):
Passenger van (standard)	7100 / 2767	8600 / 3311	8600 / 3311	9500 / 4309	9500 / 4309
Cargo van (standard)	6100 / 2767	7300 / 3311	7300 / 3311	9500 / 4309	9500 / 4309
Payload, base (lbs / kg):
Cargo van	1504 / 682	2589 / 1174	2415 / 1095	4218 / 1913	4038 / 1831
Passenger van	2085 / 946	2955 / 1340	2615 / 1186	3720 / 1687	3378 / 1532
Trailer towing maximum (lbs / kg):
Passenger	6600 / 2905	8000 / 3628	7300 / 3312	10000 / 4538	10000 / 4538
Cargo	6100 / 2767	8600 / 3901	8400 / 3810	10000 / 4538	10000 / 4538
Fuel tank (gals / liters)	31 / 117.3	31 / 117.3	31 / 117.3	31 / 117.3	31 / 117.3
Maximum tongue weight	Trailer tongue weight should be 10-15 percent of the total loaded trailer weight, up to 1,000 pounds. Weight-carrying hitch limit on 4,000-lb trailer is 400-pound tongue weight. Weight-distributing hitch and sway control required for over 4,000-pound trailer weight.

Although New-Cars.com checks with auto manufacturers and their representatives to confirm the accuracy of the data, it makes no guarantee or warranty, either expressed or implied with respect to the data presented here. All specifications, prices and equipment are subject to change without notice.

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