430i xDrive Coupe
Gas · BMW B46B20O1 · AWD
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VEHICLE GUIDE
2021 BMW 4-Series
A 4-seat CONVERTIBLE and COUPE with gas, hybrid, and MHEV choices and RWD and AWD availability.
2021 BMW 4-Series is a 4-seat CONVERTIBLE and COUPE with gas, hybrid, and MHEV choices. 2021 BMW 4-Series offers RWD and AWD; the exact drivetrain can change efficiency or capability, so the version matters.
6TRIMS
Gas + Hybrid + MhevPOWERTRAINS
4SEATS
$45,600LOWEST PUBLISHED MSRP
2021 model-year guide6TRIMS
Gas + Hybrid + MhevPOWERTRAINS
4SEATS
$45,600LOWEST PUBLISHED MSRP
AUTOUNITE VEHICLE GUIDE
Know the 2021 BMW 4-Series. Know what matters before you shop.
2021 BMW 4-Series is a 4-seat CONVERTIBLE and COUPE with gas, hybrid, and MHEV choices.
2021 BMW 4-Series offers RWD and AWD; the exact drivetrain can change efficiency or capability, so the version matters.
60-SECOND AUTOUNITE BRIEF
The 2021 BMW 4-Series, explained before the spec sheet.
AutoUnite starts with the choices that can change the decision, then keeps the deeper facts ready when you want to verify them.
Ask AutoUnite about this vehicleWhat it is
2021 BMW 4-Series is a 4-seat CONVERTIBLE and COUPE with gas, hybrid, and MHEV choices.
The lineup decision
2021 BMW 4-Series has 6 named trims in the lineup shown here: 430i xDrive Coupe, 430i, M440i xDrive Coupe, M440i xDrive, M440i, and 430i Coupe.
Power and efficiency
Powertrain choices shown for 2021 BMW 4-Series include Gas, Hybrid, and Mhev.
Living with it
Equipment documented for this model year includes 8-speed steptronic transmission, Adaptive m suspension, Ambient interior lighting, Auto-dimming rearview mirror, Automatic climate control, Automatic high beams, Backu...
POWER & EFFICIENCY
Understand how the vehicle changes underneath.
Powertrain choices shown for 2021 BMW 4-Series include Gas, Hybrid, and Mhev.
Gas / Hybrid / MhevRWD / AWDUp to 27 combined mpgUp to 255 hp
SPACE & EVERYDAY LIFE
See what the numbers mean in daily use.
Equipment documented for this model year includes 8-speed steptronic transmission, Adaptive m suspension, Ambient interior lighting, Auto-dimming rearview mirror, Automatic climate control, Automatic high beams, Backu...
4 seats
CHOOSE YOUR VERSION
Find the version that changes the decision.
2021 BMW 4-Series has 6 named trims in the lineup shown here: 430i xDrive Coupe, 430i, M440i xDrive Coupe, M440i xDrive, M440i, and 430i Coupe.
6 documented trimsFrom $45,600
Vehicle factskept tied to the applicable model year and versionCurrent marketkept separate from permanent vehicle knowledgeAsk AutoUniteexplains supported facts in shopper language
Start with what matters
2021 BMW 4-Series is a 4-seat CONVERTIBLE and COUPE with gas, hybrid, and MHEV choices.
2021 BMW 4-Series offers RWD and AWD; the exact drivetrain can change efficiency or capability, so the version matters.
How the lineup breaks down
2021 BMW 4-Series has 6 named trims in the lineup shown here: 430i xDrive Coupe, 430i, M440i xDrive Coupe, M440i xDrive, M440i, and 430i Coupe.
The trim name matters because equipment, powertrain choices, capability and pricing can change as you move through the range.
430i
Gas · eng_unknown|fp_930da12ba08199ea · RWD
M440i xDrive Coupe
Mhev · B58B30O1 · AWD
M440i xDrive
Hybrid · eng_unknown|fp_48559e3b5c32309b · AWD
M440i
Hybrid · eng_unknown|fp_d39ae67b8de5ba3b · RWD
430i Coupe
Gas · B46B20O1 · RWD
Powertrains, efficiency and capability
Powertrain choices shown for 2021 BMW 4-Series include Gas, Hybrid, and Mhev.
Depending on the version, drivetrain choices shown include RWD and AWD.
eng_unknown|fp_930da12ba08199ea / B46B20O1
- Drive
- RWD / AWD
- Power
- Up to 255 hp
- Efficiency
- Up to 27 combined mpg
eng_unknown|fp_d39ae67b8de5ba3b / eng_unknown|fp_48559e3b5c32309b
- Drive
- RWD / AWD
- Efficiency
- Up to 26 combined mpg
B58B30O1
- Drive
- AWD
- Efficiency
- Up to 25 combined mpg
Interior, technology and everyday use
Equipment documented for this model year includes 8-speed steptronic transmission, Adaptive m suspension, Ambient interior lighting, Auto-dimming rearview mirror, Automatic climate control, Automatic high beams, Backup camera, and Blind spot monitoring. Some features can be standard on one trim, optional on another, or tied to a package.
Package names currently documented include Convenience package, Driving assistance professional package, Dynamic handling package, Executive package, M sport package, and Parking assistance package. Package availability does not prove that a package is installed on a particular vehicle.
Equipment worth knowing
- 8-speed steptronic transmission
- Adaptive m suspension
- Ambient interior lighting
- Auto-dimming rearview mirror
- Automatic climate control
- Automatic high beams
Packages in the catalog
- Convenience package
- Driving assistance professional package
- Dynamic handling package
- Executive package
Safety evidence in context
The Guide does not have enough applicable reliability evidence to support a pattern. That does not mean the model is problem-free; it means the available information is not strong enough for that conclusion.
Safety evidence stays separated by what it actually measures.
Crash-test observations, recalls, manufacturer communications and driver-assistance equipment are different evidence types. AutoUnite does not collapse them into an artificial score.
Ask AutoUnite which safety facts apply to the version you're considering.
What ownership looks like
Detailed warranty or maintenance guidance is not complete enough here for a useful summary. Check the exact vehicle's documentation before assuming remaining coverage.
What changed for this model year
The year-over-year record is not complete enough to say exactly what changed. A missing change record is not treated as proof that the vehicle carried over unchanged.
Choose the next step that answers your remaining question
Use 360 when you want to see the vehicle, Compare when you are choosing between versions, Cars Near Me when you are ready for real listings, and Calculator when the decision becomes financial.