BMW Z4 Dimensions & Size

How much cargo space and room does a 2026 BMW Z4 really have?

The 2026 BMW Z4 measures 170.9 in long, 73.2 in wide, 51.6 in tall, on a 97.2 in wheelbase, with a curb weight of about 3,296 lbs.

Looking for weight? See the BMW Z4 curb weight page — this page covers length, width, height and wheelbase.

Latest model year (2026):

The BMW Z4 measures 170.9 in long, 73.2 in wide and 51.6 in tall, on a 97.2 in wheelbase, weighing about 3,296 lbs.

VerifiedNHTSA Canadian Vehicle Specifications · Verified September 18, 2026

Overview MPG Engine Specs Fuel Cost Transmission Drivetrain Vehicle Class Maintenance Dimensions Curb Weight

BMW Z4 Dimensions — All Years

Year	Body / Variant	Length	Width	Height	Wheelbase	Curb Weight
2026Config 1 of 2	Z4 sDRIVE30i 2DR CONVERTIBLE	170.9 in	73.2 in	51.6 in	97.2 in	3,296 lbs
2026Config 2 of 2	Z4 M40i 2DR CONVERTIBLE	170.9 in	73.2 in	51.6 in	97.2 in	3,463 lbs
2025Config 1 of 2	Z4 sDRIVE30i 2DR CONVERTIBLE	170.9 in	73.2 in	51.6 in	97.2 in	3,296 lbs
2025Config 2 of 2	Z4 M40i 2DR CONVERTIBLE	170.9 in	73.2 in	51.6 in	97.2 in	3,463 lbs
2024Config 1 of 2	Z4 sDRIVE30i 2DR CONVERTIBLE	170.9 in	73.2 in	51.6 in	97.2 in	3,296 lbs
2024Config 2 of 2	Z4 M40i 2DR CONVERTIBLE	170.9 in	73.2 in	51.6 in	97.2 in	3,463 lbs
2023Config 1 of 2	Z4 sDRIVE30i 2DR CONVERTIBLE	170.9 in	73.2 in	51.6 in	97.2 in	3,296 lbs
2023Config 2 of 2	Z4 M40i 2DR CONVERTIBLE	170.9 in	73.2 in	51.6 in	97.2 in	3,463 lbs
2022Config 1 of 2	Z4 sDRIVE30i 2DR CONVERTIBLE	170.9 in	73.2 in	51.6 in	97.2 in	3,296 lbs
2022Config 2 of 2	Z4 M40i 2DR CONVERTIBLE	170.9 in	73.2 in	51.6 in	97.2 in	3,463 lbs
2021Config 1 of 2	Z4 sDRIVE30i 2DR CONVERTIBLE	170.9 in	73.2 in	51.6 in	97.2 in	3,296 lbs
2021Config 2 of 2	Z4 M40i 2DR CONVERTIBLE	170.9 in	73.2 in	51.6 in	97.2 in	3,463 lbs
2020Config 1 of 2	Z4 sDRIVE30i 2DR CONVERTIBLE	170.9 in	73.2 in	51.6 in	97.2 in	3,296 lbs
2020Config 2 of 2	Z4 M40i 2DR CONVERTIBLE	170.9 in	73.2 in	51.6 in	97.2 in	3,463 lbs
2019	Z4 2DR CONVERTIBLE	170.9 in	73.2 in	51.6 in	97.2 in	3,444 lbs
2017Config 1 of 2	Z4 sDRIVE35i/35is 2DR CONV RWD	166.9 in	70.5 in	50.8 in	98.4 in	3,494 lbs
2017Config 2 of 2	Z4 sDRIVE28i 2DR CONV RWD	166.9 in	70.5 in	50.8 in	98.4 in	3,263 lbs
2016Config 1 of 2	Z4 sDRIVE35i/35is 2DR CONV RWD	166.9 in	70.5 in	50.8 in	98.4 in	3,494 lbs
2016Config 2 of 2	Z4 sDRIVE28i 2DR CONV RWD	166.9 in	70.5 in	50.8 in	98.4 in	3,263 lbs
2015Config 1 of 2	Z4 sDRIVE35i/35is 2DR CONV RWD	166.9 in	70.5 in	50.8 in	98.4 in	3,494 lbs
2015Config 2 of 2	Z4 sDRIVE28i 2DR CONV RWD	166.9 in	70.5 in	50.8 in	98.4 in	3,263 lbs

Dimensions sourced from the NHTSA Canadian Vehicle Specifications database. Figures are measured per body style and can vary slightly by trim, wheel package, and suspension.

BMW Z4 data analysis

How BMW Z4 overall length varies

Across 21 configurations recorded for the 2015 through 2026 BMW Z4, overall length runs from 167 inches to 171 inches. The strongest figure belongs to the 2019 BMW Z4 (Z4 2DR CONVERTIBLE) at 171 inches, and the weakest to the 2017 car (Z4 sDRIVE35i/35is 2DR CONV RWD) at 167 inches — a spread of 2%. The narrow spread means any year of the BMW Z4 in this table behaves much like the others, so you can shop on price, condition and mileage rather than chasing a particular model year.

What changed for 2026

Average overall length for the 2026 BMW Z4 is 171 inches, against 171 inches for the 2025 car — it held flat. A carry-over year like this usually means no powertrain or structural change, so an older example is the cheaper way into the same specification.

How to read this BMW Z4 data

This page lists every 2015 through 2026 BMW Z4 record we hold for this measurement — 21 rows in total, one per configuration and model year rather than a single headline figure. Figures are published as the source agency records them: we do not round, average or interpolate missing years, and a year that is absent from the table is a year with no published measurement rather than a zero. Where a manufacturer offered several drivetrains or body styles in the same year, each appears on its own row, because those variants rarely share the same numbers.

Configurations behind these BMW Z4 numbers

The 2015 through 2026 BMW Z4 entries here cover the variants Z4 sDRIVE30i 2DR CONVERTIBLE, Z4 M40i 2DR CONVERTIBLE, Z4 2DR CONVERTIBLE, Z4 sDRIVE35i/35is 2DR CONV RWD and Z4 sDRIVE28i 2DR CONV RWD. 2026 is the busiest model year in the record with 2 separate measured configurations, which is why a single quoted overall length figure for that year is rarely the one that matches the car in front of you. Match the row to the exact drivetrain, body style and engine on the window sticker or VIN before relying on the number, and use the comparison links below to see how those same configurations line up against rival models.

Where these BMW Z4 figures come from

Every value on this page is loaded from federal open data — EPA fuel economy submissions, NHTSA vehicle and crash-test records, and manufacturer specification filings — rather than dealer listings or copied editorial content. The BMW Z4 record refreshes as the agencies publish, which typically means new model-year rows appear in the autumn and crash-test results follow through the model year as vehicles are tested. Because certification data is filed per configuration, treat any single headline number for this vehicle with caution: the figure that applies to a specific car depends on its engine, drivetrain, body style and model year, all of which are listed separately above. If a number here disagrees with a brochure, the brochure is usually quoting the best available configuration rather than the one being sold.

Will the BMW Z4 fit your garage and parking space?

Measured against a standard single garage door (8 ft wide, 7 ft tall, 20 ft deep stall) and a standard US surface parking space (9 ft x 18 ft). Measure your own opening before buying — older garages are frequently narrower.

Garage door width

Fits

73.2 in wide (body only, mirrors folded) — about 22.8 in of total clearance, so roughly 11 in per side.

Garage door height

Clears

51.6 in tall — 32.4 in of headroom before roof rails, antennas, or a roof box are added.

Parking space

Fits a standard stall

170.9 in long leaves 45.1 in to spare in an 18 ft space, and 34.8 in of side clearance in a 9 ft one.

Size drift: the 2026 BMW Z4 is 4 in longer than the 2015 car in our records. If you are replacing an older example with a newer one, check the garage clearance again rather than assuming the outgoing car's footprint carries over.

Its wheelbase (97.2 in) accounts for about 57% of overall length. A higher share generally means shorter overhangs — better approach and departure clearance on driveways and ramps, and more cabin space for the same parking footprint.

Want to see it against another vehicle at the same scale? Open the car size comparison tool or check the BMW Z4 curb weight to pair footprint with mass.

Frequently Asked Questions About Z4 Dimensions

How long is the BMW Z4?

The BMW Z4 is 170.866 inches long, 73.2283 inches wide and 51.5748 inches tall. That is roughly 14.2 feet — compare it with your garage depth before buying.

Will the BMW Z4 fit in a standard garage?

A standard single-car garage is about 20 feet (240 in) deep and 10 feet (120 in) wide. At 170.866 in long and 73.2283 in wide, the BMW Z4 fits with 69 in of room to spare front-to-back. Remember to allow for mirrors and door swing.

How much does the BMW Z4 weigh?

Curb weight for the BMW Z4 is about 3,296 lbs. Curb weight excludes passengers and cargo, so add roughly 150 lbs per occupant when calculating payload.