What the Sport Touring (ST) adds over the Preferred
Spec
Preferred
Sport Touring (ST)
Curb weight (maximum)
3940 lbs
3964 lbs
Curb weight (minimum)
3940 lbs
3964 lbs
Tire size
235/60R18
245/45R20
Wheel diameter
18 in
20 in
Standard here, not on the base trim: 20-in. aluminum wheels (std. ST and Avenir), 245/45R20 all-season tires
Specifications
Source: manufacturer press kit
Brakes
Front brake diameter
321 mm
Front brake type
ventilated disc
Rear brake diameter
315 mm
Rear brake type
solid disc
Cargo
Cargo volume behind 1st row
52.7 cu-ft
Cargo volume behind 2nd row
25.2 cu-ft
Connected Services
Connected services brand
OnStar
Connected services trial (standard tier)
96 months
Dimensions Exterior
Overall height
64.6 in
Overall length
182.7 in
Overall width
74.1 in
Wheelbase
109 in
Engine Basics
Aspiration
twin turbo
Cylinder count
4
Fuel injection system
gdi mpi
Engine type (full description)
2.0L DOHC I-4 VVT Turbocharged
Valve configuration
Dual-overhead camshafts, four-valves per cylinder, continuously variable valve timing
Engine Output
Horsepower
228 hp
Torque
258 lb-ft
Fuel Economy
MPG (city)
22 mpg
MPG (combined)
24 mpg
MPG (highway)
28 mpg
Fuel System
Fuel tank capacity
16.1 gal
Headroom
Front headroom
39.6 in
Second-row headroom
38.9 in
Legroom
Front legroom
40.4 in
Second-row legroom
39.3 in
Shoulder Room
Front shoulder room
56.7 in
Second-row shoulder room
55.9 in
Steering
Steering type
Electric power-assisted rack-and-pinion
Turning radius (curb-to-curb)
38 ft
Suspension
Front suspension type
MacPherson strut with direct acting stabilizer bar
Rear suspension type
Five-link independent with stabilizer bar
Tires
Tire size
245/45R20
Transmission
Final drive ratio
3.5
Transmission speeds
9
Transmission type
automatic
Weights
Curb weight (maximum)
3964 lbs
Curb weight (minimum)
3964 lbs
Wheels
Wheel diameter
20 in
Wheel material
aluminum
Standard & optional equipment
Source: manufacturer press kit
Safety10 std · 0 opt
Advanced Adaptive Cruise Control, Enhanced Automatic Emergency Braking, Intersection Automatic Emergency Braking, Reverse Automatic Braking and Side Bicyclist Alert now standard on all trim levels
Electric power-assisted rack-and-pinion steering with cross-wind and road-shake stabilization
Five-link independent rear suspension with stabilizer bar
MacPherson strut front suspension with direct acting stabilizer bar
Ranked by what shoppers ask about first; standard equipment before options.
Transcribed from the manufacturer's official press kit for the 2025 Envision. Confirm with the window sticker for a specific unit.
The cheapest ownership win
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Common questions about the Sport Touring (ST)
Source: EPA, NHTSA and manufacturer press kits
What does the 2025 Buick Envision Sport Touring (ST) add over the Preferred?
Against the Preferred, 2 features become standard that the Preferred does not and 4 published specifications differ. Both lists are on this page, taken from the manufacturer's own press material.