2026 Sedan comparison
3 Series vs S3
Side-by-side MSRP, fuel economy, specs, and features for the 2026 BMW 3 Series and Audi S3.
Open side-by-side compare
Payments, incentives, and trim picks in the full compare tool.
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.
Continue
Next steps
Dig into a full profile, run payments in the compare tool, or talk to us.