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2021 BMW

330i xDrive

Auto (S8), 4 cyl, 2.0 L, Turbo

BMW 330i: best and worst years
2021 BMW 330i xDrive (photo 1 of 2)

Closest available photo (2020 model year); you're viewing the 2021.

2020 photoElise240SXCC BY-SA 4.0Wikimedia Commons

Overview

Body
Compact CarsEPA, from EPA, last updated 6/11/2026
Drivetrain
All-Wheel DriveEPA, from EPA, last updated 6/11/2026
Transmission
Automatic (S8)EPA, from EPA, last updated 6/11/2026
Powertrain
GasEPA, from EPA, last updated 6/11/2026
Fuel
PremiumEPA, from EPA, last updated 6/11/2026

Engine & performance

HP
255
Power to weight
0.073 hp/lb
Axle ratio
2.81
Cyl
4EPA, from EPA, last updated 6/11/2026
Aspiration
TurbochargedEPA, from EPA, last updated 6/11/2026
Start-stop system
YesEPA, from EPA, last updated 6/11/2026

Efficiency

MPG Hwy
34 mpgEPA, from EPA, last updated 6/11/2026
MPG City
25 mpgEPA, from EPA, last updated 6/11/2026
MPG Comb
28 mpgEPA, from EPA, last updated 6/11/2026
Fuel $/yr
$2,750EPA, from EPA, last updated 6/11/2026
CO₂
313 g/miEPA, from EPA, last updated 6/11/2026
Eco Score
6/10EPA, from EPA, last updated 6/11/2026
Smog score
7/10
Elec. Range
0 miEPA, from EPA, last updated 6/11/2026
SmartWay certified
No

Dimensions & capacity

Length
185 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
Width
72 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
Height
57 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
Wheelbase
112 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
Curb Weight
3,494 lbNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
Pass. Vol
94 ft³EPA, from EPA, last updated 6/11/2026
Cargo Vol
13 ft³EPA, from EPA, last updated 6/11/2026

Safety NHTSA, model year

Overall crash rating
★★★★★
Rollover rating
★★★★★
Stability control (ESC)
Standard
Forward-collision warning
Standard
Lane-departure warning
Optional
Recalls
0
Owner complaints
0

Known issues manufacturer service bulletins, model year

143 service bulletins filed with NHTSA for this model year

  • May 6, 2026ENGINEB010324

    The EVAP systems purge (vent) valve limited warranty for defects in materials or workmanship has been extended to 15 years / 150,000 miles as determined from the original in-service date.

  • Mar 6, 2026STRUCTURE:BODYB010325

    The Radiator Grilles Lower Active Air Flap Assembly limited warranty for defects in materials and/or workmanship has been extended to 15 years / 150,000 miles as determined from the original first in-service / delivery date.

  • Aug 20, 2025STRUCTURE:BODYB410725

    While driving on a smooth and/or uneven road, a “cracking” sound is heard from the rear wheel arch area (highlighted in orange) on either the right or left side.

  • Jun 11, 2025AIR BAGSB720225

    The Supplemental Restraint Systems (SRS) Front Passenger’s Seat Occupancy Capacitive Interior Sensor (CIS) Mat for defects in materials and/or workmanship that causes a false seat occupancy alert to occur has been extended to 10 years / 120,000 miles as determined from the vehicle's original in-service / first delivery date.

  • May 14, 2025STRUCTURE:BODYB010825

    A vehicle listed above may arrive with a Check Control Message (CCM), and/or malfunction indicator lamp(MIL) illuminated. After carrying out the vehicle test, one or more of the stored faults indicate that the operation of the front bottomactive air flap is obstructed or blocked. Thoroughly inspect the front bottom air flap, when applicable, remove any contamination that is found caught inand between the bottom air flaps (aka “blinds”) and/or the housing.

  • Apr 29, 2025STRUCTURE:BODYB513019

    A groaning noise is present from the door frame of any door, most commonly when driving over rough roadsor during body flex. This situation may be worse in vehicles which are regularly waxed in th e area of the door jamb.

  • Dec 6, 2024ENGINEB110521

    The belt pulley on the mechanical coolant pump may fracture allowing the engine drive belt to come off thecoolant pump and alternator.

  • Mar 4, 2024ENGINE AND ENGINE COOLINGB120721

    Check Control message (CCM) indicates: (ID 213): Stop, exercising due care. Voltage supply The Service Engine Soon light is on with the following DME Fault Code: 21B209 - Starter alternator / belt for 48V system (OSA_RIEMEN_RISS): Belt betweenCombustion engine and starter generator torn And/or one or more of the following other issues are also occurring: Noise in the area of the belt drive. Odor from the engine compartment. Smoke formation in the area of the belt drive. Drive belt damage

  • and 135 more

Source: NHTSA manufacturer communications (technical service bulletins).

Warranty manufacturer terms, by make

Basic
4 yr / 50k mi
Powertrain
4 yr / 50k mi
Roadside assistance
4 yr
Maintenance
3 yr / 36k mi
EV battery
8 yr / 100k mi

Information is gathered on a best-effort basis from public sources, may be incomplete or out of date, and is not purchasing or financial advice. Verify with the manufacturer or dealer before buying.