Automotive Engineering - February 2022 - 11

CES 2022
TECHNOLOGY REPORT
Boss package " taps into our strong
foundation of capable, factory-lifted
trucks, " Barra said. Super Cruise, GM's
SAE Level 2 ADAS package with trailercontrol
will deploy as standard on RSTFirst
Edition models, as will a hefty 24inch
wheel/tire combination. WT models
ride on 18-in. wheels. A towing package
rated at up to 20,000 lb (9,071 kg)
is being readied for WT models after
initial launch.
Lindsay Brooke
Silverado EV's flexible Midgate cab helps
mitigate hauling longer cargo.
Propulsion: Silverado EV shares its
200-kWh Ultium lithium-ion battery
pack with the GMC Hummer EV, according
to chief engineer Nicole Kraatz.
Packaging of the drive units and DC
inverter (one traction motor for each
axle on AWD variants) is unique to the
Chevy pickup for a more compact layout
than on the Hummer.
Output: RST models will deliver SAErated
664 hp (495 kW) and more than
780 lb-ft (1,057 Nm) in what GM calls
'Wide Open Watts Mode' enabled by
unique control software. Kraatz said simulations
show RST models to be capable
of 0-60 mph acceleration in less than 4.5
seconds. WT models will generate 510
hp (380 kW) and 615 lb-ft (833 Nm).
Charging: Standard DC fast charging
using 800-V public chargers will deliver
up to 350 kW, adding about 100 miles
(161 km) of range in 10 minutes, GM
claims. Both Silverado EV models can
produce up to 10.2 kW of off-board
power, distributed across 10 outlets
(two of them each provide 240V) on
the vehicle.
Towing: Estimated up to 10,000 lb.
(4,336 kg) of maximum trailering with
up to 1,300 lb (590 kg) of payload on
RST, and 8,000 lb. (3,629 kg) and 1,200
lb. (544 kg) payload on WT. The
ground-to-tailgate load height on the
RST 4WD Silverado EV at our preview
measured 35.5 in. (901 mm).
At the truck's Jan. 5 reveal during CES,
GM CEO Mary Barra added that there
will be a Trail Boss trim available for the
Silverado EV. The raised-suspension Trail
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Automotive Engineering - February 2022

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