| Overview |
| 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. |
| Engines |
| |
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: |
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 |
| Note: Full-body vans have three-way
converters; Cutaways have dual converters |
| 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 |
| Transmissions |
| |
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) |
| Chassis/Suspension |
| |
G1500 |
H1500 |
G2500 (135-, 155-in WB) |
G3500 (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 |
| Brakes |
| 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 |
| Wheels/Tires |
| |
G1500 |
G2500 (135-, 155-in WB) |
G3500 (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 |
| *Standard on all G2500, except cargo
van with 7,300-lb GVWR, which has a standard LT245/75R16E |