News United States

Models:

Chevrolet Express, full-frame G-Series 8-, 12- and 15-passenger van

Body style / driveline:

RH sliding or swing-out 60/40 doors; front-engine, rear-wheel drive

Construction:

full frame

EPA vehicle class:

full-size van

Manufacturing location:

Wentzville , Mo.

Key competitors:

Ford E-Series, Ram/Freightliner Sprinter

4.8L V-8 (L20)

5.3L V-8 (LMF)

Type:

4.8L V-8

5.3L V-8

Displacement (cu in / cc):

294 / 4807

327 / 5328

Bore & stroke (in / mm):

3.78 x 3.27 / 96 x 83

3.78 x 3.62 / 96 x 92

Block material:

cast iron

cast iron

Cylinder head material:

cast aluminum

cast aluminum

Valvetrain:

OHV, two valves per cylinder

OHV, two valves per cylinder

Ignition system:

platinum-tip spark plugs, low-resistance spark plug wires

electronic spark control, platinum-tip spark plugs

Fuel delivery:

sequential fuel injection

sequential fuel injection

Compression ratio:

8.8:1

9.6:1

Horsepower
(hp / kW @ rpm):

280 / 209 @ 5200

310 / 224 @ 5200

Torque
(lb-ft / Nm @ rpm):

295 / 398 @ 4600

334 / 435 @ 4500

Recommended fuel:

regular unleaded or E85

regular unleaded or E85

Maximum engine speed (rpm):

5600

5600

Emissions controls:

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

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

EPA-estimated fuel economy
(mpg city / hwy):

N/A

13 / 17

6.0L V-8 (L96)

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

Type:

6.0L V-8

6.6L V-8

Displacement (cu in / cc):

366 / 5967

403 / 6599

Bore & stroke (in / mm):

4 x 3.62 / 101.6 x 92

4.06 x 3.90 / 103 x 99

Block material:

cast iron

cast iron

Cylinder head material:

cast aluminum

cast aluminum

Valvetrain:

OHV, two valves per cylinder

OHV, four valves per cylinder

Ignition system:

coil near plug, platinum-tip spark plugs, low resistance spark plug wires

fast-heating glow plugs

Fuel delivery:

sequential fuel injection

direct injection diesel with high-pressure common rail

Compression ratio:

9.4:1

16.0:1

Horsepower
(hp / kW @ rpm):

324 / 241 @ 4700

260 / 194 @ 3100

Torque
(lb-ft / Nm @ rpm):

373 / 506 @ 4400

525 / 712 @ 1600

Recommended fuel:

regular unleaded or E85

diesel B20 capable

Maximum engine speed (rpm):

5600

3450

Emissions controls:

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

catalytic converter, exhaust gas recirculation; diesel particulate filter system (DPF), selective catalyst reduction (SCR)

EPA-estimated fuel economy
(mpg city / hwy):

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, 4.8L and 5.3L; 3.73 opt. with 5.3L

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

G1500

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) 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 (depending on the GVW)

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

Steering type (all models):

power, rack and pinion

integral power

integral power

Steering ratio:

17.2:1

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:

43.4 / 13.2

49.2 / 15

49.2 / 15

155-in WB:

–

54.5 / 16.6

54.5 / 16.6

Type:

G1500

G2500

G3500

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

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

Rear:

13 x 1.18 / 330 x 30

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

245 / 1584

245 / 1584

Rear:

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

LT245/75R16E* all-season

LT245/75R16E all-season

G1500 Regular

G2500 Regular

G3500 Regular

G3500 Extended

Wheelbase (in / mm):

135 / 3434

135 / 3434

135 / 3434

155 / 3940

Overall length (in / mm):

224 / 5696

224 / 5696

224 / 5698

244 / 6188

Overall width (in / mm):

79.2 / 2012

79.2 / 2012

79.2 / 2012

79.2 / 2012

Overall height (in / mm):

83.7 / 2126

81.5 / 2071

81.5/ 2071

82.8 / 2108

Track (in / mm):

Front:

68.1 / 1730

68.1 / 1730

68.1 / 1730

68.1 / 1730

Rear:

67.7 / 1719

67.7 / 1719

67.7 / 1719

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):

29.1 / 738

29.1 / 738

27.8 / 705

30.1 / 764

Step-in height (in / mm) - to step assist foot well:

Front door:

17.7 / 449

19.4 / 492

19.4 / 492

19.4 / 492

Side door:

18.3 / 465

19.8 / 502

19.8 / 502

19.8 / 502

G1500 Regular

G2500 Regular

G3500 Regular

G3500 Extended

Seating capacity (std / opt):

8

12 / 8

12 / 8

12 / 15

Headroom (in / mm)

Front row

39.8 / 1013

39.8 / 1013

39.8 / 1013

39.8 / 1013

Middle (first row):

38.4 / 976

38.4 / 976

38.4 / 976

38.4 / 976

Middle (second row):

38.5 / 978

38.5 / 978

38.5 / 978

38.5 / 978

Rear (12-pass):

—

37.6 / 973

37.6 / 973

37.6 / 973

Rear (15-pass):

—

—

—

37.6 / 954

Legroom (in / mm)

Front:

41.3 / 1050

41.3 / 1050

41.3 / 1050

41.3 / 1050

Middle (first row):

36.3 / 922

36.3 / 922

36.3 / 922

36.3 / 922

Middle (second row):

36.6 / 929

36.6 / 929

36.6 / 929

36.6 / 929

Rear (12-pass):

—

36.6 / 929

36.6 / 929

36.6 / 929

Rear (15-pass):

—

—

—

34.1 / 866

Shoulder room (in / mm)

Front:

68.8 / 1749

68.8 / 1749

68.8 / 1749

68.8 / 1749

Middle (first row):

68.6 / 1742

68.6 / 1742

68.6 / 1742

68.6 / 1742

Middle (second row):

65.8 / 1670

65.8 / 1670

65.8 / 1670

65.8 / 1670

Rear (12-pass):

—

69.1 / 1755

69.1 / 1755

69.1 / 1755

Rear (15-pass):

—

—

—

62.9 / 1597

Hip room (in / mm)

Front:

65.5 / 1663

65.5 / 1663

65.5 / 1663

65.5 / 1663

Middle (first row):

65.6 / 1667

65.6 / 1667

65.6 / 1667

65.6 / 1667

Middle (second row):

63.3 / 1607

63.3 / 1607

63.3 / 1607

63.3 / 1607

Rear (12-pass):

—

65.7 / 1668

65.7 / 1668

65.7 / 1668

Rear (15-pass):

—

—

—

62.87 / 1597

Cargo volume (with seats):

92.1 / 2608

92.1 / 2608

92.1 / 2608

127.2 / 2602

Cargo volume
(with seats removed):

216.2 / 6123

216.2 / 6123

216.2 / 6123

252.8 / 7159

Width between wheelhousings (in / mm):

50.4 / 1280

50.4 / 1280

50.4 / 1280

50.4 / 1280

Load floor length
(in / mm)

Behind 1st row seat:

126.2 / 3205

126.2 / 3205

126.2 / 3205

146.0 / 3710

Behind 2nd row:

89.13 / 2264

89.13 / 2264

89.13 / 2264

109.0 / 2769

Behind 3rd row:

57.16 / 1452

57.16 / 1452

57.16 / 1452

77.0 / 1957

Behind 4th row:

—

—

—

45.0 / 1143

Behind 5th row:

—

—

—

13.5 / 342

Interior height (in / mm):

51.8 / 1316

51.8 / 1316

51.8 / 1316

51.8 / 1316

G1500 (135-in. WB)

G2500 (135-in. WB)

G3500 (135-in. & 155-in. WB)

Based curb weight
(lb / kg):

5499 / 2494 (2WD)
5718 / 2593 (AWD)

5873/2663

6087 / 2761 (135-in.)
6406 / 2906 (155-in.)

Max. GVWR
(lb / kg):

7300 / 3311

8600 / 3901

9600 / 4354 (w/ 6.0L)

9600 / 4354
(135-in. w/ 6.6L)

9900 / 4491
(155-in. w/ 6.6L)

Max. payload
(lb / kg):

1779 / 806 (2WD)

1560 / 707 (AWD)

2705 /1226

3491 / 1583 (135-in.)

3172 / 1438 (155-in.)

Max. trailer towing
(lb / kg):

6200 / 2812 (2WD)

6000 / 2722 (AWD)

9800 / 4445

9700 / 4400
(135-in. w/ 6.0L)

10000 / 4536
(135-in. w/ 6.6L)

9300 / 4218
(155-in. w/ 6.6L)

9700 / 4400
(155-in. w/ 6.6L)

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*

Fuel tank (gal / L):

31 / 117

31 / 117

31 / 117

31 / 117