Models:

Chevy Express: full-frame G-Series eight-, 12-, 15-passenger and cargo van (8-, 12-passenger w/ H-Series), RH sliding or swing-out 60/40 doors or optional LH swing-out 60/40 doors,

(G-Series available as RV & commercial cutaway)

Body style / driveline:

cargo and passenger van (RH sliding or swing-out 60/40 doors or optional LH swing-out 60/40 doors on cargo van , front-engine, rear-wheel drive

Construction:

full frame

EPA vehicle class:

full-size van

Manufacturing location:

Wentzville, Mo.

Key competitors:

Ford Econoline, Ford E-Series, Dodge/Freightliner Sprinter

4.3L V-6 (LU3)

4.8L V-8 (LY2)

5.3L V-8 (LMF)

6.0L V-8 (LY6)

Duramax 6.6L V-8 turbo-diesel (LLY)

Type:

4.3L V-6

4.8L V-8

5.3L V-8

6.0L V-8

6.6L V-8

Displacement (cu in / cc):

262 / 4293

294 / 4807

327 / 5328

366 / 5967

403 / 6599

Bore & stroke (in / mm):

4.00 x 3.48 / 101.6 x 88

3.78 x 3.27 / 96 x 83

3.78 x 3.62 / 96 x 92

4 x 3.62 / 101.6 x 92

4.06 x 3.90 / 103 x 99

Block material:

cast iron

cast iron

cast iron

cast iron

cast iron

Cylinder head material:

cast iron

cast aluminum

cast aluminum

cast aluminum

cast aluminum

Valvetrain:

OHV, two valves per cylinder

OHV, two valves per cylinder

OHV, two valves per cylinder

OHV, two valves per cylinder

OHV, four 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

fast-heating glow plugs

Fuel delivery:

sequential fuel injection

sequential fuel injection

sequential fuel injection

sequential fuel injection

direct injection diesel with high-pressure common rail

Compression ratio:

9.2:1

9.5:1

9.5:1

9.4:1

16.8:1

Horsepower (hp / kW @ rpm):

195 / 145 @ 4600

279 / 208 @ 5600

301 / 224 @ 5200

323 / 241 @ 4400

250 / 186 @ 3200

Torque (lb-ft / Nm @ rpm):

260 / 353 @ 2800

294 / 396 @ 4000

325 / 439 @ 4000

373 / 504 @ 4000

460 / 624 @ 1600

Recommended unleaded fuel:

87 octane

87 octane

87 octane or E85

87 octane

diesel

Maximum engine speed (rpm):

5600

5600

5600

5600

3450 (fuel shut-off)

Emissions controls:

3-way catalytic converter, exhaust gas recirculation, positive crankcase ventilation, evaporative collection system

3-way catalytic converter, exhaust gas recirculation, positive crankcase ventilation, evaporative collection system

3-way catalytic converter, exhaust gas recirculation, positive crankcase ventilation, evaporative collection system

3-way catalytic converter, exhaust gas recirculation, positive crankcase ventilation, evaporative collection system

catalytic converter, exhaust gas recirculation

Estimated fuel economy
(mpg city / hwy / combined):

Cargo:

14 / 18 / 16

N/A

14 / 17 / 15

N / A

N/A

Passenger:

N/A

N/A

13 / 17 / 15

N / A

N/A

Hydra-Matic 4L60

Hydra-Matic 4L80

Hydra-Matic 4L85  

Type:

four-speed electronic automatic with overdrive and torque converter

four-speed heavy-duty electronic automatic with overdrive and torque converter

four-speed heavy-duty electronic automatic with overdrive and torque converter (Duramax 6.6L)

Gear ratios (:1):

First:

3.06

2.48

2.48

Second:

1.63

1.48

1.48

Third:

1:00

1:00

1.00

Fourth:

0.70

0.75

0.75

Reverse:

2.29

2.08

2.07

Final drive ratio:

3.42:1 std with 4.3L, 5.3L on 1500 Series

3.73:1 opt with 5.3L on 1500 Series and std with 5.3L on 2500 Series; std with 4.8L on 2500 Series and some 6.0L models

3.42:1 std with 4.3L, 5.3L on 1500 Series

3.73:1 opt with 5.3L on 1500 Series and std with 5.3L on 2500 Series; std with 4.8L on 2500 Series and some 6.0L models

3.73:1

G1500

H1500

G2500

G3500

(135-, 155-in WB)

(135-, 155-in WB)

Front:

independent short/long arm ( SLA) coil springs, 33-mm stabilizer bar

Independent short/long arm ( SLA) torsion bars, 33-mm stabilizer bar

independent short/long arm ( SLA) coil springs, 35-mm stabilizer bar

independent short/long arm ( SLA) coil springs, 35-mm stabilizer bar

Rear:

two-stage, semi-elliptic multi-leaf springs and semifloating rear axle

two-stage, semi-elliptic multi-leaf springs and semifloating rear axle

two-stage, semi-elliptic multi-leaf springs and semifloating rear axle (depending on the GVW)

two-stage, semi-elliptic multi-leaf springs and semifloating rear axle

Steering type (all models):

power, rack and pinion

power, rack and pinion

integral power

integral power

Steering ratio:

17.2:1

17.2:1

17.2:1

17.2:1

Steering wheel turns, lock-to-lock:

3

3

3

3

Turning circle, curb-to-curb (ft / m):

135-in WB:

43.4 / 13.2

43.4 / 13.2

49.2 / 15

49.2 / 15

155-in WB:

–

–

54.5 / 16.6

54.5 / 16.6

Type:

Hydroboost four-wheel disc, four-wheel ABS with Dynamic Rear Proportioning

Hydroboost four-wheel disc, four-wheel ABS with Dynamic Rear Proportioning

Hydroboost four-wheel disc, four-wheel ABS with Dynamic Rear Proportioning

Hydroboost four-wheel disc, four-wheel ABS with Dynamic Rear Proportioning

7300 lb GVW

8,600 lb GVW

9,600 lb GVW

10000-14200 lb GVW

Rotor diameter x thick (in / mm):

Front:

12 x 1.14 /

305 x 29

12.8 x 1.5

325 x 38

12.8 x 1.5 /

325 x 38

12.8 x 1.5

325 x 38

Rear:

13 x 1.18 / 330 x 30

13 x 1.14 / 330 x 29

13 x 1.14 / 330 x 29

13.5 x 1.6

345 x 40

Total swept area (sq in / sq cm):

Front:

214 / 1378

246 / 1584

245 / 1584

245 / 1584

Rear:

237 / 1526

237 / 1526

237 / 1526

TBD

G1500

G2500

G3500

(135-, 155-in WB)

(135-, 155-in WB)

Wheel size & type:

17-inch steel

16-inch steel

16-inch steel

Tires:

P245/70R17 all-season steel-belted radials

LT245/75R16E* all-season steel-belted radials

LT245/75R16E all-season steel-belted radials

G1500 Regular

G2500 Regular

G3500 Regular

G3500 Extended

Wheelbase (in / mm):

135 / 3429

135 / 3429

135 / 3429

155 / 3937

Overall length (in / mm):

224 / 5691

224 / 5691

224 / 5691

244 / 6199

Overall width (in / mm):

79.4 / 2018

79.4 / 2018

79.4 / 2018

79.4 / 2018

Overall height (in / mm):

81.6 / 2072

81.6 / 2072

81.6 / 2072

82 / 2084

Track (in / mm):

Front:

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

Min. ground clearance (in / mm):

Front:

8 / 202

8.2 / 207

8.2 / 207

8.1 / 207

Rear:

7.4 / 188

7.1 / 180

7.1 / 180

7.7 / 195

Ground to top of rear load floor (in / mm):

Passenger:

25.5 / 648

N/A

27.8 / 707

27.8 / 707

Cargo:

22.8 / 580

25.1 / 637

27.8 / 707

27.8 / 707

Step-in height (in / mm):

Passenger, front door:

17.3 / 439

19 / 483

19.6 / 498

19.6 / 498

Passenger, side door:

15.5 / 394

N/A

19.5 / 495

19.6 / 498

Cargo, front door:

16.9 / 428

18.8 / 478

20.5 / 521

20.6 / 523

Cargo, side door:

15.5 / 394

18 / 457

19.5 / 495

19.6 / 498

Curb weight (lb / kg):

Cargo:

4845 / 2198

5017 / 2276

5427 / 2462

5625 / 2552

Passenger:

5258 / 2385

N/A

6015 / 2728

6333 / 2873

G1500 Regular

G2500 Regular

G3500 Regular

G3500 Extended

Seating capacity (std / opt):

Passenger van:

8

N/A

12 / 8

12 / 15

Cargo van:

2 / 1

2 / 1

2 / 1

2 / 1

Headroom (in / mm):

Front:

40.2 / 1022

40.2 / 1022

40.2 / 1022

40.2 / 1022

Middle (first row):

38.5 / 979

N/A

38.5 / 979

38.5 / 979

Middle (second row):

38.1 / 968

N/A

38.1 / 968

38.1 / 968

Rear (12-pass):

—

N/A

37.7 / 957

37.7 / 957

Rear (15-pass):

—

—

—

37.7 / 957

Legroom (in / mm):

Front:

41.3 / 1048

41.3 / 1048

41.3 / 1048

41.3 / 1048

Middle (first row):

34.8 / 883

N/A

34.8 / 883

34.8 / 883

Middle (second row):

37.6 / 954

N/A

37.6 / 954

37.6 / 954

Rear (12-pass):

—

N/A

39.8 / 1010

39.8 / 1010

Rear (15-pass):

—

—

—

36.4 / 925

Shoulder room (in / mm):

Front:

68.8 / 1748

68.8 / 1748

68.8 / 1748

68.8 / 1748

Middle (first row):

68.9 / 1750

N/A

68.9 / 1750

68.9 / 1750

Middle (second row):

63.5 / 1612

N/A

63.5 / 1612

63.5 / 1612

Rear (12-pass):

—

N/A

68.3 / 1734

68.3 / 1734

Rear (15-pass):

—

—

—

62.7 / 1593

Hip room (in / mm):

Front:

65.5 / 1664

65.5 / 1664

65.5 / 1664

65.5 / 1664

Middle (first row):

66 / 1675

N/A

66 / 1675

66 / 1675

Middle (second row):

64.4 / 1635

N/A

64.4 / 1635

64.4 / 1635

Rear (12-pass):

—

N/A.

59.6 / 1515

59.6 / 1515

Rear (15-pass):

—

—

—

63.2 / 1605

Cargo volume (cu ft / liters):

Behind front seat:

204 / 5776

204 / 5776

204 / 5776

237.3 / 6719

Width between wheelhousings (in / mm):

Cargo:

50.5 / 1282

50.5 / 1282

50.5 / 1282

50.5 / 1282

Passenger:

50.5 / 1282

N/A

50.5 / 1282

50.5 / 1282

Load floor length (in / mm):

Behind 1st row seat, Cargo:

127.8 / 3246

127.8 / 3246

127.8 / 3246

127.8 / 3246

Behind 1st row seat, Passenger:

126.3 / 3208

N/A

126.3 / 3208

146.3 / 3716

Behind 2nd row, Passenger:

89.4 / 2272

N/A

89.4 / 2272

109.4 / 2778

Behind 3rd row, Passenger:

57. 4 / 1457

N/A

57.4 / 1457

77.5 / 1969

Behind 4th row, Passenger:

—

—

—

45.6 / 1159

Behind 5th row, Passenger:

—

—

—

12 / 306

Interior height (in / mm):

Cargo:

51.9 / 1318

51.9 / 1318

51.9 / 1318

51.9 / 1318

Passenger:

51.9 / 1318

N/A

51.9 / 1318

51.9 / 1318

G1500 Regular

G2500 Regular

G3500 Regular

G3500 Extended

GVWR (lb / kg):

Passenger van (standard):

7300 / 3311

N/A

9600 / 4354

9600 / 4354

Cargo van (standard):

7300 / 3311

8600 / 3901

9600 / 4354

9600 / 4354

Payload, base (lb / kg):

Cargo van:

2373 / 1076

3204 / 1453

4151 / 1883

3944 / 1789

Passenger van:

1703 / 772

2534 / 1149

3488 / 1592

3164 / 1435

Trailer towing maximum (lb / kg):

Passenger:

6300 / 2857

7800 / 3538

7700 / 3492

7400 / 3356

Cargo:

6500 / 2948

10000 / 4538

10000 / 4538

10000 / 4538

Fuel tank (gal / L):

31 / 117

31 / 117

31 / 117

31 / 117

Maximum tongue weight:

trailer tongue weight should be 10-15 percent of the total loaded trailer weight, up to 1,000 pounds (450 kg). Weight-carrying hitch limit on a 4,000-lb (1,814 kg) trailer is 400 pound (181-kg) tongue weight. Weight-distributing hitch and sway control required for greater than 4,000-pound (1,814-kg) trailer weight.

4.3L V-6 (LU3)

4.8L V-8 (LY2)

6.0L V-8 (LY6)

Duramax 6.6L
V-8 turbo-diesel (LLY)

Engine oil (qt / L):

4.5 / 4.2

6 / 5.6

6 / 5.6

10.4 / 9. 8

Cooling system (qt / L):

Standard:

12.6 / 11.9

13.4 / 12.7

14.4 / 13.6

19.9 / 18.9*