The 2021 Suburban is offered in six trim levels: the LS, LT, RST, Z71, Premier and High Country. The Suburban comes standard with a 5.3-liter V8 (355 horsepower, 383 lb-ft) mated to a 10-speed automatic transmission. Four-wheel drive is available on all trim levels (standard on the Z71), with either a single- or two-speed transfer case. Two other engines are also available:
For the High Country trim only, Chevy swaps in a 6.2-liter V8 (420 hp, 460 lb-ft). There's also an optional turbocharged 3.0-liter inline six-cylinder diesel engine (277 hp, 460 lb-ft) that will be available in the fourth quarter of 2020. Chevy will offer it on every Suburban trim except the Z71.
LS
Starts you off with:
- LED headlights
- 18-inch wheels
- Eight-passenger seating (2-3-3); front-row bench seat is optional on LS only
- Apple CarPlay and Android Auto compatibility
- 10.2-inch infotainment touchscreen
- Forward collision mitigation (warns you of an impending collision and applies the brakes in certain scenarios)
LT
Adds to the LS with:
- Hands-free liftgate
- Wireless charging
- Nine-speaker Bose audio system
- Driver-seat memory settings and heated front seats
- Auto-dimming rearview mirror
RST
Includes these features:
- 22-inch wheels
- Unique front fascia and black exterior trim
- Special RST seats with contrasting stitching
Z71
Adds extra off-road capability with:
- Unique front fascia to improve ground clearance
- Two-speed transfer case (for low-range gearing)
- Hill descent control
- All-terrain tires
- Front skid plate and tow hooks
Premier
Steps up the standard equipment by including:
- Magnetically controlled shock absorbers (better ride and handling capabilities)
- Digital instrument panel
- 10-speaker Bose audio system
- Second-row bucket seats (drops capacity to seven passengers)
- Heated and ventilated front seats
- Lane keeping assist (steers the Suburban back into its lane if it begins to drift over the lane marker)
- Blind-spot monitor (alerts you if a vehicle in the next lane over is in your blind spot)
High Country
Adds more luxury with:
- 420-hp 6.2-liter V8
- Surround-view parking camera system
- Head-up display
- Rear pedestrian alert system
- Special grille with bronze accents
Many of the features on the higher trim levels are available as options on the lower trims. Other significant options, depending on the trim level, include:
- Max Trailering package
- Panoramic sunroof
- Rear entertainment system
- Traffic-adaptive cruise control (adjusts speed to maintain a constant distance between the Suburban and the car in front)
- Air suspension (can raise or lower the ride height of the vehicle)