Sport RWD
What the Sport adds over the Luxury
| Spec | Luxury | Sport |
|---|---|---|
| Front brake type | Four-wheel-disc with ABS; Duralife brake rotors and low-drag brake calipers | Four-wheel-disc with ABS; Duralife brake rotors and low-drag brake calipers; Brembo 4-piston fixed front calipers |
| Curb weight (maximum) | 3422 lbs | 3468 lbs |
| Curb weight (minimum) | 3422 lbs | 3468 lbs |
| Tire size | 225/45R17 | 235/40R18 |
| Wheel diameter | 17 in | 18 in |
Standard here, not on the base trim: 2.7L Dual-Volute Turbocharged I-4 engine (310 hp / 350 lb-ft), Brembo 4-piston fixed front calipers, Climate Package (now standard on Premium Luxury and Sport), Driver Assist Package (Adaptive Cruise Control, Enhanced Automatic Emergency Braking and Reverse Automatic Braking), Driver Awareness Plus Package (Following Distance Indicator, Lane Keep Assist with Lane Departure Warning, Lane Change Alert with Side Blind Zone Alert, Rear Cross Traffic Alert and IntelliBeam automatic high beams), Following Distance Indicator, Heated Front Seats, Heated Steering Wheel, Lane Change Alert with Side Blind Zone Alert, Lane Keep Assist with Lane Departure Warning, Lane Keep Assist with Lane Departure Warning, Rear Cross Traffic Alert, Ten-speed automatic transmission with Electronic Precision Shift (with 2.7L Turbo), Ventilated driver and front passenger seat cushions and seatbacks
Specifications
Source: manufacturer press kitBrakes
| Front brake diameter | 300 mm |
| Front brake type | Four-wheel-disc with ABS; Duralife brake rotors and low-drag brake calipers; Brembo 4-piston fixed front 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) | 22 mpg |
| MPG (highway) | 32 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 |
| Turning radius (curb-to-curb) | 37.1 ft |
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 | 235/40R18 |
Transmission
| Final drive ratio | 2.9 |
| Transmission speeds | 8 |
| Transmission type | automatic |
Weights
| Curb weight (maximum) | 3468 lbs |
| Curb weight (minimum) | 3468 lbs |
Wheels
| Wheel diameter | 18 in |
| Wheel material | forged alloy |
Standard & optional equipment
Source: manufacturer press kitSafety21 std · 1 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)
- Driver Assist Package (Adaptive Cruise Control, Enhanced Automatic Emergency Braking and Reverse Automatic Braking)
- Driver Awareness Plus Package (Following Distance Indicator, Lane Keep Assist with Lane Departure Warning, Lane Change Alert with Side Blind Zone Alert, Rear Cross Traffic Alert and IntelliBeam automatic high beams)
- Following Distance Indicator
- Four-wheel-disc with ABS
- HD Rear Vision Camera
- IntelliBeam automatic high beams
- Knee airbag for driver and front passenger
- Lane Change Alert with Side Blind Zone Alert
- Rear Cross Traffic Alert
- Rear Park Assist
- Rear Seat Reminder
- Safety Alert Seat
- Teen Driver
- Super Cruise driver assistance feature optional
- Tire Pressure Monitor System; tire pressure monitor includes tire fill alert
Infotainment1 std · 1 opt
- Vehicle Diagnostics
- Head-up display optional
Climate1 std · 0 opt
- Climate Package (now standard on Premium Luxury and Sport)
Seating2 std · 0 opt
- Heated Front Seats
- Ventilated driver and front passenger seat cushions and seatbacks
Interior1 std · 1 opt
- Heated Steering Wheel
- 12-inch diagonal color configurable driver information cluster optional
Powertrain2 std · 0 opt
- 2.7L Dual-Volute Turbocharged I-4 engine (310 hp / 350 lb-ft)
- Ten-speed automatic transmission with Electronic Precision Shift (with 2.7L Turbo)
Chassis2 std · 0 opt
- Brembo 4-piston fixed front calipers
- Magnetic Ride Control 4.0 (RWD only)
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.
How to compare cover →Affiliate disclosure: some links on this page are affiliate links. If you request a quote or buy through them we may earn a commission at no extra cost to you. Nothing on this page changes because of it.
Common questions about the Sport
Source: EPA, NHTSA and manufacturer press kitsWhat does the 2026 Cadillac CT4 Sport add over the Luxury?
Against the Luxury, 14 features become standard that the Luxury does not and 5 published specifications differ. Both lists are on this page, taken from the manufacturer's own press material.