Standard here, not on the base trim: All-wheel drive (AWD available), Lane Keep Assist with Lane Departure Warning, Lane Keep Assist with Lane Departure Warning
Specifications
Source: manufacturer press kit
Brakes
Front brake diameter
300 mm
Front brake type
Four-wheel-disc with ABS; Duralife brake rotors and low-drag brake calipers
Rear brake diameter
315 mm
Rear brake type
Four-wheel-disc with ABS; Duralife brake rotors and low-drag brake calipers
Cargo
Cargo volume behind 2nd row
10.7 cu-ft
Dimensions Exterior
Overall height
56 in
Overall length
187.2 in
Overall width
71.4 in
Wheelbase
109.3 in
Engine Basics
Aspiration
twin turbo
Cylinder count
4
Fuel injection system
gdi mpi
Engine type (full description)
2.0L Twin-Scroll Turbocharged I-4 DOHC with Active Fuel Management, direct injection and automatic stop/start
Valve configuration
Dual overhead camshafts, four valves per cylinder with tripower system
Engine Output
Horsepower
237 hp
Torque
258 lb-ft
Fuel Economy
MPG (city)
21 mpg
MPG (highway)
31 mpg
Fuel System
Minimum recommended octane
91
Fuel tank capacity
17.4 gal
Headroom
Front headroom
38.3 in
Third-row headroom
36.5 in
Legroom
Front legroom
42.4 in
Third-row legroom
33.4 in
Shoulder Room
Front shoulder room
55.2 in
Third-row shoulder room
53.9 in
Steering
Steering type
Rack-mounted electric, power-assisted with variable assist
Suspension
Front suspension type
MacPherson-type with dual lower ball joints, ZF MVS passive dampers and direct-acting stabilizer bar
Rear suspension type
Five-link independent; coil springs with ZF MVS passive dampers and stabilizer bar
Tires
Tire size
225/45R17
Transmission
Final drive ratio
2.9
Transmission speeds
8
Transmission type
automatic
Weights
Curb weight (maximum)
3578 lbs
Curb weight (minimum)
3578 lbs
Wheels
Wheel diameter
17 in
Wheel material
forged alloy
Standard & optional equipment
Source: manufacturer press kit
Safety16 std · 0 opt
Front Pedestrian Braking
Forward Collision Alert
Dual-stage frontal airbags
Head-curtain airbags for all outboard seating positions with rollover protection
Lane Keep Assist with Lane Departure Warning
Seat-mounted side-impact airbags for driver and front passenger
Cadillac SMART System (Automatic Emergency Braking, Forward Collision Alert, Front Pedestrian Braking, Safety Alert Seat, Rear Park Assist, HD Rear Vision Camera, Vehicle Diagnostics, Teen Driver and Rear Seat Reminder)
Four-wheel-disc with ABS
HD Rear Vision Camera
IntelliBeam automatic high beams
Knee airbag for driver and front passenger
Rear Park Assist
Rear Seat Reminder
Safety Alert Seat
Teen Driver
Tire Pressure Monitor System; tire pressure monitor includes tire fill alert
Infotainment1 std · 0 opt
Vehicle Diagnostics
Climate0 std · 1 opt
Cold Weather Package (Heated Front Seats and Heated Steering Wheel)optional
Seating0 std · 1 opt
Heated Front Seatsoptional
Interior0 std · 1 opt
Heated Steering Wheeloptional
Powertrain3 std · 0 opt
All-wheel drive (AWD available)
2.0L Twin-Scroll Turbocharged I-4 engine (237 hp / 258 lb-ft)
Eight-speed automatic transmission with mechanical shift (with 2.0L Turbo)
Ranked by what shoppers ask about first; standard equipment before options.
Transcribed from the manufacturer's official press kit for the 2026 CT4. Confirm with the window sticker for a specific unit.
The cheapest ownership win
Insurers price the 2026 CT4 very differently, and the gap between the best and worst quote on the same car and driver is usually larger than any option you are weighing on this page.
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Common questions about the Luxury
Source: EPA, NHTSA and manufacturer press kits
What does the 2026 Cadillac CT4 Luxury add over the Luxury?
Against the Luxury, 3 features become standard that the Luxury does not and 4 published specifications differ. Both lists are on this page, taken from the manufacturer's own press material.