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BMW 430i Gran Coupe vs Cadillac CT4

Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.

Vehicles

BMW logo

2027 BMW 430i Gran Coupe

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Cadillac logo

2026 Cadillac CT4

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Overview

SpecBMW 430i Gran Coupe430iCadillac CT4Luxury
Selected trim430iLuxury
Body styleSedanSedan
Drivetrainrear wheel driverear wheel drive
Fuel typepremium unleaded (required)premium unleaded (recommended)
Transmission8-speed shiftable automatic8-speed shiftable automatic
Engine typemild hybridgas
Model year20272026

Pricing & market

SpecBMW 430i Gran Coupe430iCadillac CT4Luxury
MSRP$51,200$35,600 (best)
Lowest listing price—$21,900 (best)
Median listing price—$26,892 (best)
Highest listing price—$42,900 (best)
For sale now010 (best)

Fuel economy & range

SpecBMW 430i Gran Coupe430iCadillac CT4Luxury
Combined MPG30 MPG (best)26 MPG
City MPG27 MPG (best)22 MPG
Highway MPG35 MPG (best)32 MPG
Fuel tank15.6 gal17 gal (best)

Performance

SpecBMW 430i Gran Coupe430iCadillac CT4Luxury
Horsepower255 hp (best)237 hp
Torque295 lb-ft (best)258 lb-ft
Engine size2 L2 L
CylindersI4I4

Size & capability

SpecBMW 430i Gran Coupe430iCadillac CT4Luxury
Seating5 seats5 seats
Doors44
Cargo volume45.6 cu ft (best)10.7 cu ft
Curb weight3,898 lbs3,422 lbs (best)
Ground clearance5.5 in (best)—
Wheelbase112.4 in (best)109 in
Length188.5 in (best)187.2 in
Width72.9 in (best)71.4 in
Height56.8 in (best)56 in

Safety & recalls

SpecBMW 430i Gran Coupe430iCadillac CT4Luxury
NHTSA overall—Not Rated
Frontal crash (driver)—Not Rated
Frontal crash (passenger)—Not Rated
Side crash (driver)—Not Rated
Side crash (passenger)—Not Rated
Side pole—Not Rated
Rollover—Not Rated
Open recalls (YMM scope)None reportedNone reported

Highlighted values indicate the better figure for that spec when a clear winner exists. Specs reflect the selected trim for each vehicle. Drag a vehicle header to reorder columns. MSRP and specifications are manufacturer data; listing prices and inventory come from live dealer listings. Safety ratings are from NHTSA.

Trim overview

All available trims with MSRP. The trim selected above is highlighted; comparison specs use that selection.

TrimBMW 430i Gran CoupeCadillac CT4
1

430i

$51,200 MSRP(Currently comparing)

Luxury

$35,600 MSRP(Currently comparing)

2—

Premium Luxury

$39,900 MSRP

3—

Sport

$43,800 MSRP

4—

V

$50,000 MSRP

5—

V Blackwing

$62,700 MSRP

Live inventory

BMW 430i Gran Coupe vs Cadillac CT4 FAQ

Which is better: 2027 BMW 430i Gran Coupe or 2026 Cadillac CT4?
It depends on priorities. OpenDealer compares 2027 BMW 430i Gran Coupe vs 2026 Cadillac CT4 on MSRP, fuel economy, horsepower, seating, towing, NHTSA safety ratings, and live market prices so you can weigh the tradeoffs.
Which costs less: 2027 BMW 430i Gran Coupe or 2026 Cadillac CT4?
Based on starting MSRP, the 2026 Cadillac CT4 starts lower at $35,600. Live Cadillac CT4 listings start at $21,900.
Which has better startingMsrp: 2027 BMW 430i Gran Coupe or 2026 Cadillac CT4?
The 2026 Cadillac CT4 leads on startingMsrp in this comparison (35,600).
Which has better combinedMpg: 2027 BMW 430i Gran Coupe or 2026 Cadillac CT4?
The 2027 BMW 430i Gran Coupe leads on combinedMpg in this comparison (30).
Which has better horsepower: 2027 BMW 430i Gran Coupe or 2026 Cadillac CT4?
The 2026 Cadillac CT4 leads on horsepower in this comparison (472).
How do the NHTSA safety ratings compare for 2027 BMW 430i Gran Coupe vs 2026 Cadillac CT4?
NHTSA overall crash-test ratings in this comparison: Cadillac CT4 (Not Rated/5 NHTSA overall).