2026 Sedan comparison
A3 vs CT4
Side-by-side MSRP, fuel economy, specs, and features for the 2026 Audi A3 and Cadillac CT4.
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Snapshot
At a glance
Price
MSRP by trim
Efficiency
Fuel economy
Hardware
Key specifications
Equipment
Features
Safety
NHTSA ratings
Deep dive
Where they differ
Cheapest-trim matrix showing only meaningful differences—specs, features, safety, and warranty.
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Next steps
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