2009 BMW Z4 (E89) Dimensions, Size & Specs

The curb weight of the BMW Z4 (E89) ranges from 1430 kg to 1600 kg (3151 to 3527 lbs), depending on the specific variant and equipment level. Its maximum weight varies from 1725 kg to 1855 kg (3804 to 4088 lbs). These weights position the Z4 as a lightweight sports car focused on agility and performance, balancing strength with portability for dynamic driving experiences.

The BMW Z4 (E89) offers a luggage capacity of 180 liters (approximately 6.4 cubic feet) with the rear seats in place, suitable for light travel or small bags. When the rear seats are folded down, the capacity increases to 310 liters (around 10.9 cubic feet), significantly enhancing its practicality for carrying larger items while maintaining the roadster’s sporty form.

The BMW Z4 (E89) was equipped with a variety of rim sizes including 8J x 17, 8.5J x 17, 8.5J x 18, and 8J x 18 inches depending on the trim and model year. Tire sizes matched accordingly, ranging from 225/45 R17 and 255/40 R17 to 255/35 R18, 225/40 R18, 225/45 R17 W, 225/40 R18 W, and 255/35 R18 W. These combinations were chosen to optimize handling, ride comfort, and sporty aesthetics.

The BMW Z4 (E89) features a ride height of 130 mm (approximately 5.1 inches), which underscores its low-slung, aerodynamic profile. This low ground clearance enhances handling and stability at high speeds, but drivers should be cautious over speed bumps or uneven terrain to avoid underbody contact, which can occasionally limit usability in certain urban or rural settings.

Yes, the BMW Z4 (E89) fits comfortably in a standard residential garage. Its compact length of around 4.24 meters (about 13 feet 11 inches) and width of 1.79 meters (about 5 feet 10 inches) are well within typical garage dimensions, which are usually about 6 meters (20 feet) long and 2.7 meters (9 feet) wide. Its low height also ensures clearance in garages with average ceiling heights.

Compared to its predecessor, the BMW Z4 (E85), the E89 generation features a slightly more compact and refined design. While the E85 measured around 4.12 meters in length, the E89 is somewhat longer at approximately 4.24 meters. Width and height are fairly similar, but the E89 offers a more rigid structure with a retractable hardtop instead of a soft top, subtly increasing curb weight. Overall, the E89 provides better space utilization, a more luxurious and modern feel, and slightly improved dimensions for comfort without compromising its sporty characteristics.

The BMW Z4 (E89) compares favorably with similar roadsters like the Porsche Boxster and Audi TT. While the Z4 has a length of about 4.24 meters and a width of 1.79 meters, the Porsche Boxster is slightly shorter but similarly wide, and the Audi TT often measures smaller overall. The Z4 stands out with its retractable hardtop roof, which provides year-round usability, combined with a relatively spacious trunk for a sports car (180-310 liters). Its ride height and curb weight balance sporty performance with everyday practicality better than some competitors that focus more heavily on track-oriented specs.

The curb weight of the BMW Z4 (E89) varies from 1430 kg to 1600 kg (3151 to 3527 lbs), influenced by different engine options, drivetrain choices, and added equipment. Lighter base models generally offer more nimble handling and quicker acceleration, while heavier versions tend to include more luxury or performance features that may slightly dampen agility but improve comfort and driving dynamics overall. This balance allows users to choose between a sportier or more refined driving experience.

The BMW Z4 (E89) benefits from its compact yet well-proportioned dimensions, including a length just over 4.2 meters and a width of 1.79 meters. This contributes to excellent agility, precise cornering, and a responsive driving feel typical of BMW roadsters. The low height and ride height of 130 mm lower the car's center of gravity, enhancing stability during spirited driving. Despite being a luxury roadster, it maintains a nimble footprint suitable for both city driving and winding roads, ensuring an engaging and balanced driving experience.