2007 Alpina B3 Coupe (E92) Dimensions, Size & Specs

The curb weight of the Alpina B3 Coupe (E92) is approximately 1535 kg (around 3385 lbs). Its maximum permissible weight is 2040 kg (roughly 4497 lbs). The curb weight refers to the weight of the vehicle without passengers or cargo but includes all standard equipment and necessary operating consumables such as fuel, while the maximum weight includes the vehicle fully loaded with passengers and cargo. This weight balance helps maintain the car's dynamic handling and performance.

The Alpina B3 Coupe (E92) offers a luggage capacity of 430 liters (approximately 15.2 cubic feet). This capacity is quite practical for a coupe, providing sufficient space for everyday items such as groceries, luggage for short trips, or sports equipment. While it might not match the capacity of larger sedans or SUVs, its trunk size aligns well with coupe standards and strikes a good balance between sportiness and usability.

Yes, the Alpina B3 Coupe (E92) fits comfortably into a standard garage. With a length ranging between 4580 mm and 4668 mm (180.3 to 183.7 inches), a width of 1782 mm (70.2 inches), and a height between 1395 mm and 1405 mm (54.9 to 55.3 inches), the coupe is compact enough to fit within the typical garage dimensions, which often exceed 6 meters (about 20 feet) in length and around 2.4 meters (around 8 feet) in width. Its relatively low height also ensures it clears standard garage doors without issue.

At 1782 mm (70.2 inches) wide, the Alpina B3 Coupe (E92) aligns well with the width standards of compact sports coupes in its segment. This width contributes to a stable on-road presence and improved handling dynamics, allowing for responsive cornering without making the car cumbersome in urban environments. Many rivals have similar widths, providing a blend of sporty agility and everyday drivability.

The Alpina B3 Coupe (E92) is equipped with rims measuring 9.5J x 19 inches and 8.5J x 19 inches, paired with tire sizes 245/40 R18ZR, 265/35 R19, and 245/35 R19. The large 19-inch wheels and wide tires enhance grip and road contact, improving handling, cornering stability, and overall driving dynamics. The tire profiles balance performance with ride comfort, making the car suitable for spirited driving as well as daily use.

The Alpina B3 Coupe (E92) shows a height range from 1395 mm to 1405 mm (approximately 54.9 to 55.3 inches). The variance in height can arise from factors such as suspension setup, optional equipment like different wheel and tire packages, or small modifications in production specifications. This slight difference does not drastically affect the vehicle's aesthetics or performance but may slightly influence aerodynamics or ride comfort.

Compared to the predecessor BMW E46-based Alpina B3, the E92 B3 coupe is generally larger and heavier, reflecting the evolution in automotive safety, technology, and comfort standards. With lengths extending up to 4668 mm (183.7 inches) and curb weights around 1535 kg (3385 lbs), it is more robust but also offers more refined performance capabilities. This growth in dimension and weight aligns with broader trends in the industry, enhancing occupant protection and ride quality while maintaining agility.

The Alpina B3 Coupe (E92) competes with sports coupes like the Audi S4, Mercedes-Benz C-Class Coupe, and even rivals from other performance tuners. Its size—roughly 4580-4668 mm in length and 1782 mm in width—is comparable to these competitors, offering a compact yet athletic profile. Weighing around 1535 kg, it strikes a balance between lightness and stability. In performance, Alpina's enhancements focus on refined power delivery and exclusivity, distinguishing it in the niche of high-performance coupes where size directly supports agility and road presence.

With a trunk capacity of 430 liters (15.2 cubic feet), the Alpina B3 Coupe (E92) offers a practical amount of luggage space for a sports coupe. This capacity comfortably accommodates medium-sized suitcases, golf bags, or several shopping bags, making it suitable for weekend getaways or daily errands. While it may not match larger sedans or SUVs in cargo volume, this level of capacity strikes a good balance between sporty design and practical usability for drivers who need some cargo versatility without sacrificing style or performance.