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 E-Series, Dodge/Freightliner Sprinter

4.3L V-6 (LU3)

4.8L V-8 (L20)

5.3L V-8 (LMF)

6.0L V-8 (L96)

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

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

280 / 208 @ 5200

310 / 224 @ 5200

323 / 241 @ 4600

250 / 186 @ 3200

Torque
(lb-ft / Nm @ rpm):

260 / 353 @ 2800

296 / 396 @ 4600

334 / 439 @ 4500

373 / 504 @ 4400

460 / 624 @ 1600

Recommended unleaded fuel:

regular unleaded

regular unleaded or E85 (passenger or cargo only)

regular unleaded or E85

regular unleaded or E85 (passenger or cargo only)

Diesel (B20 available for fleet and government)

Maximum engine speed (rpm):

5600

5600

5600

5600

3450

Emissions controls:
Note: Full-body vans have three-way converters; Cutaways have dual converters

three-way catalytic converter, exhaust gas recirculation, PCV, evaporative collection system

three-way catalytic converter, exhaust gas recirculation, PCV, evaporative collection system

three-way catalytic converter, exhaust gas recirculation, PCV, evaporative collection system

three-way catalytic converter, exhaust gas recirculation, PCV, evaporative collection system

catalytic converter, exhaust gas recirculation

EPA-estimated fuel economy
(mpg city / hwy)

Cargo:

15/20

N/A

13 / 17

N/A

N/A

Passenger:

N/A

N/A

13 / 17

N/A

N/A

Hydra-Matic 4L60

Hydra-Matic 6L90  

Type:

four-speed electronic automatic with overdrive and torque converter

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

Gear ratios (:1)

First:

3.06

4.03

Second:

1.63

2.36

Third:

1:00

1.53

Fourth:

0.67

1.15

Fifth:

--

0.85

Sixth:

--

0.67

Reverse:

2.29

3.06

Final drive ratio (:1):

3.42 std. with 4.3L, 5.3L; 3.73 opt. with 5.3L

3.42 std., 3.73 opt. (4.8L and 6.0L); 3.54 (6.6L)

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 / 2007

79 / 2007

79.4 / 2017

79.2 / 2012

Overall height (in / mm):

81.6 / 2072

81.6 / 2072

83.1 / 2110

82.7 / 2100

Track (in / mm):

Front:

67.8 / 1721

67.8 / 1721

67.9 / 1725

68.0 / 1727

Rear:

67.8 / 1721

67.8 / 1721

67.8 / 1722

67.7 / 1719

Min. ground clearance
(in / mm):

Front:

8 / 202

8.2 / 207

11.0 / 279

8.8 / 223

Rear:

7.4 / 188

7.1 / 180

7.1 / 180

7.7 / 195

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

Passenger:

29.1 / 738

29.1 / 738

27.8 / 705

30.1 / 764

Cargo:

28.4/ 721

25.1 / 637

27.8 / 705

27.8 / 707

Step-in height (in / mm):

Passenger, front door:

18.1 / 459

19.0 / 483

21.5 / 547

26.8 / 681

Passenger, side door:

21.1 / 536

21.1 / 536

20.3 / 515

29.1 / 739

Cargo, front door:

18.1 / 459

18.8 / 478

20.5 / 521

20.6 / 523

Cargo, side door:

21.1 / 536

18.0 / 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:

39.8 / 1013

39.8 / 1013

39.8 / 1013

39.8 / 1013

Middle (first row):

38.4 / 976

N/A

38.4 / 976

38.4 / 976

Middle (second row):

38.5 / 978

38.7 / 984

38.5 / 978

38.5 / 978

Rear (12-pass):

N/A

37.7 / 957

37.7 / 957

Rear (15-pass):

37.7 / 957

Legroom (in / mm)

Front:

40.4 / 1026

40.4 / 1026

40.4/ 1026

40.4 / 1026

Middle (first row):

34.2 / 865

N/A

34.2/ 865

34.2 / 865

Middle (second row):

37.2 / 946

N/A

37.2 / 946

37.2 / 946

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):

68.6 / 1744

65.9 / 1675

68.6 / 1744

68.6 / 1744

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):

66.0 / 1675

N/A

66.0 / 1675

66.0 / 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:

50.8 / 1290

50.5 / 1282

50.4 / 1280

50.8 / 1290

Passenger:

50.0 / 1271

N/A

50.5 / 1282

50.5 / 1282

Load floor length
(in / mm)

Behind 1st row seat, Cargo:

127.6 / 3240

127.8 / 3246

121.6 / 3089

142.6 / 3622

Behind 1st row seat, Passenger:

126.3 / 3208

126.3 / 3208

126.3 / 3208

142.6 / 3622

Behind 2nd row, Passenger:

107.7 / 2735

107.7 / 2735

87.8 / 2231

109.4 / 2778

Behind 3rd row, Passenger:

75.7 / 1922

75.7 / 1922

55.8 / 1418

77.4 / 1966

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

GVWR
(lb / kg)

Passenger van (std):

7300 / 3311

8600 / 3901

9600 / 4354

9600 / 4354

Cargo van (std):

7300 / 3311

8600 / 3901

9600 / 4354

9600 / 4354

Payload, base
(lb / kg)

Cargo van:

2359 / 1070

3204 / 1453

4151 / 1883

3944 / 1789

Passenger van:

1689 / 766

2482 / 1126

3436 / 1559

3112 / 1412

Trailer towing max. (lb / kg)

Passenger:

6200 / 2812

9600 / 4355

9900 / 4491

9900 / 4491

Cargo:

6700 / 3039

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

4.8L V-8

6.0L V-8

Duramax 6.6L

Engine oil
(qt / L):

4.5 / 4.2

6 / 5.6

6 / 5.6

10.4 / 9. 8

Cooling system
(qt / L):

12.6 / 11.9

13.4 / 12.7

14.4 / 13.6

19.9 / 18.9*