2021 Bmw Z4
The 2021 Bmw Z4 is a other, rated at 28 MPG combined by the EPA. NHTSA lists 5 recalls for this model year.

- Combined MPG
- 28
- NHTSA safety
- Not rated
- Starting price
- $53,000
- Recalls
- 5
Watch: Z4 reviews
Full specifications
Identity
SRC · NHTSA vPIC| Make | Bmw |
|---|---|
| Model | Z4 |
| Model year | 2021 |
| Vehicle class | Other |
Engine & drivetrain
SRC · EPA FuelEconomy| Displacement | 2 L |
|---|---|
| Cylinders | 4 |
| Transmission | Automatic (S8) |
| Drivetrain | Rear-Wheel Drive |
| Fuel | Premium Gasoline |
Fuel economy
SRC · EPA FuelEconomy| City MPG | 25 |
|---|---|
| Highway MPG | 32 |
| Combined MPG | 28 |
| CO₂ tailpipe | 321 g/mi |
| EPA annual fuel cost | $2750 |
Available configurations
SRC · EPA FuelEconomy| Z4 M40i | 25 MPG combined |
|---|---|
| Z4 sDrive30i | 28 MPG combined |
Fuel economy
SRC · EPA FuelEconomy| City | 25 MPG |
|---|---|
| Highway | 32 MPG |
| Combined | 28 MPG |
Efficiency vs class average
About 23% more efficient than the Z4's class average.
- Amount financed
- $47,700
- Total interest
- $8,298
Partner offers · may earn us a commission
≈ $1,436/yr · 12,000 mi/yr · $3.35/gal
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Cost to own
Estimate monthly payments and 5-year fuel cost using the tools in the sidebar. Figures use EPA fuel economy and current U.S. energy prices from EIA.
Safety ratings & recalls
SRC · NHTSA vPICNHTSA has not published NCAP crash-test ratings for this model year yet.
Recalls (5)
- SEAT BELTS21V554000 · 2021-07-21
BMW of North America, LLC (BMW) is recalling certain 2021 2 Series (230i, 230i xDrive, M240i, M240i xDrive), 330e, 330e Xdrive, 4 Series Coupe (430i, 430i xDrive, M440i xDrive) M4 Coupe, M4 Competition Coupe, BMW 4 Series Convertible (430i, M440i), BMW X1 sDrive28i, xDrive28i, 2 Series Gran Coupe (228i, 228i xDrive, M235i xDrive), M2 Competition Coupe, 330i, 330i xDrive, M340i, M340i xDrive, M3, M3 Competition, 530i, 530i xDrive, 540i, 540i xDrive, MINI Hardtop 2 Door (Cooper, CooperS, JCW), X2 sDrive28i, X2 xDrive28i, X2 M35i, Z4 sDrive30i, Z4 M40i, MINI Hardtop 2 Door (Cooper SE), MINI Convertible (Cooper, Cooper S, JCW), MINI Clubman (Cooper S, Cooper S All4, JCW), MINI Countryman (Cooper, Cooper All4, Cooper S, Cooper S All4, JCW All4), Rolls Royce Ghost, MINI Countryman (Cooper S E All4), Rolls Royce Phantom, Rolls Royce Cullinan, and Toyota Supra vehicles. The passenger seat belt Automatic Locking Retractor (ALR) may deactivate early, before the webbing fully retracts. As such, these assemblies fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."
Remedy: Dealers will inspect the seat belt retractors (including the seat belts) and, if necessary, replace the retractors, free of charge. Owner notification letters were mailed on September 3, 2021. Owners may contact BMW customer service at 1-800-525-7417; 1-866-825-1525 (MINI); 1-877-877-3735 (Rolls Royce); and 1-888-270-9371 (Toyota).
- FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY20V700000 · 2020-11-12
BMW of North America, LLC (BMW) is recalling certain 2020-2021 Z4 and 2020-2021 Toyota Supra vehicles. The weld between the fuel tank halves may have been insufficiently welded, causing the weld to fail.
Remedy: BMW will notify owners, and dealers will replace the fuel tank, free of charge. The recall began December 18, 2020. Owners may contact BMW customer service at 1-800-525-7417 or Toyota customer service at 1-888-270-9371.
- ENGINE21V598000 · 2021-08-02
BMW of North America, LLC (BMW) is recalling certain 2020 M340i, M340i xDrive, 540i, 540i xDrive, X3 M40i, 2020-2021 X4 M40i, 745Le xDrive, 2019-2021 Z4 M40i, and 2020-2021 Toyota Supra vehicles. During engine start, the engine management software may cause loss of braking assist. Full mechanical braking (without assist) remains available.
Remedy: Dealers will update the engine management software, free of charge. Owner notification letters were mailed on September 17, 2021. Owners may contact BMW customer service at 1-800-525-7417.
- ELECTRICAL SYSTEM:STARTER ASSEMBLY:RELAY25V636000 · 2025-09-23
BMW of North America, LLC (BMW) is recalling certain 2019-2021 BMW 330i, 2019-2022 BMW Z4, 2020-2022 BMW 530i, X3, X4, Toyota Supra, 2021-2022 BMW 430i, 430i Convertible, and 2022 BMW 230i vehicles. The engine starter relay may corrode, causing the relay to overheat and short circuit.
Remedy: Owners are advised to park their vehicles outside and away from structures until the remedy is complete. Dealers will replace the engine starter, free of charge. Owner notification letters were mailed February 6, 2026. Owners may contact BMW customer service at 1-800-525-7417. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning November 14, 2025.
- ELECTRICAL SYSTEM:STARTER ASSEMBLY26V056000 · 2026-01-30
BMW of North America, LLC (BMW) is recalling certain 2021-2023 Toyota Supra, 2022-2023 2 Series Coupe, 2021-2024 5 Series (xDrive), 2021-2022 Z4, 2022-2024 4 Series (Gran Coupe), 2021-2024 4 Series (Convertible and xDrive Convertible), 2021-2023 4 Series (Coupe), 2021-2024 3 Series, 2021-2023 X4, 2021-2024 X3 vehicles. Please see the recall report for a complete list of all models. The engine starter may overheat and catch fire due to wear on an internal component.
Remedy: Dealers will replace the engine starter, free of charge. A letter informing owners of the safety risk was mailed on March 27, 2026. Owners will receive another letter once the remedy is available. Owners may contact BMW customer service at 1-800-525-7417 or Toyota's customer service at 1-800-331-4331. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning March 24, 2026.
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Frequently asked questions
What is the MPG of the 2021 Bmw Z4?
The 2021 Bmw Z4 is EPA-rated at 28 MPG combined (25 city / 32 highway).
Is the 2021 Bmw Z4 reliable?
NHTSA lists 5 recalls for the 2021 Bmw Z4. Recalls are repaired free of charge by the manufacturer — verify any open recalls by VIN before purchase.
How much does it cost to fuel the 2021 Bmw Z4?
At 12,000 miles per year, the 2021 Bmw Z4 costs roughly $1,436 per year to fuel, or about $7,179 over 5 years at current U.S. energy prices.
What type of vehicle is the 2021 Bmw Z4?
The 2021 Bmw Z4 is classified as a other. Common rivals in this class are worth comparing on price, MPG, and safety.
Sources: NHTSA vPIC · EPA FuelEconomy · NHTSA vPIC