2021 BMW 4 Series Gran Coupe (G26) Dimensions, Size & Specs

The BMW 4 Series Gran Coupe (G26) has a width of 1852 millimeters (72.9 inches) excluding the mirrors. When the side mirrors are opened, the width expands to 2073 millimeters (81.6 inches). This difference is important to note for navigating tight parking spaces or narrow streets. The car’s width contributes to its stable road presence and improves handling dynamics, providing drivers with confidence and comfort during various driving conditions.

The BMW 4 Series Gran Coupe (G26) stands at a height of 1442 millimeters (56.7 inches). This relatively low height compared to traditional sedans gives the car a sporty profile and helps reduce aerodynamic drag. The lower roofline contributes to a dynamic and aggressive stance, enhancing overall driving performance and road grip. However, the somewhat lower height may mean slightly reduced headroom compared to taller vehicles, though it remains comfortable for most occupants.

The curb weight of the BMW 4 Series Gran Coupe (G26) varies between 1620 and 1891 kilograms (3571 to 4169 pounds), depending on the specific engine, trim, and options selected. Its maximum authorized weight ranges from 2175 to 2400 kilograms (4796 to 5291 pounds). These weight specifications impact acceleration, fuel consumption, and handling dynamics. The relatively moderate curb weight despite its size reflects the use of lightweight materials and engineering focused on performance and efficiency.

With the rear seats in their upright position, the BMW 4 Series Gran Coupe (G26) offers a luggage capacity of 470 liters (16.6 cubic feet), which is quite generous for a coupe in this segment. When the rear seats are folded down, this capacity significantly increases to between 1290 and 1291 liters (45.5 cubic feet). This flexibility allows for accommodating larger luggage or bulky items, making the Gran Coupe not only sporty but also practical for everyday needs and longer trips.

Yes, the BMW 4 Series Gran Coupe (G26) generally fits into a standard garage. Standard residential garages usually measure around 2.4 to 3.0 meters (8 to 10 feet) in width and about 5.5 to 6.0 meters (18 to 20 feet) in length. Considering the Gran Coupe's width of 1.85 meters (72.9 inches) excluding mirrors and length up to 4.79 meters (188.5 inches), it fits comfortably inside typical garage spaces. However, care needs to be taken when accounting for the opened mirror width of 2.07 meters (81.6 inches), especially in narrower garages.

The BMW 4 Series Gran Coupe (G26) is slightly larger compared to its predecessor, the F36 generation. The G26 extends its length to about 4783-4787 mm, compared to the F36's approximate length of 4624 mm (182 inches). This increase provides more interior space and improved rear passenger comfort. Width and height are also slightly increased, enhancing both cabin roominess and exterior presence. The newer model benefits from updated design language and improved proportions, making it more modern and appealing without compromising agility.

The BMW 4 Series Gran Coupe (G26) competes with other premium compact executive coupes and sporty sedans, such as the Audi A5 Sportback and Mercedes-Benz C-Class Coupe. Dimensionally, the G26 is very competitive: its length (4783-4787 mm) is comparable to the Audi A5 Sportback's 4755 mm and slightly longer than the C-Class Coupe’s around 4689 mm length. The G26's luggage capacity and stylish profile offer a good balance of sportiness and practicality, making it a strong contender in a segment where subtle size differences impact usability and aesthetics.

The BMW 4 Series Gran Coupe (G26) offers a variety of rim sizes ranging from 17-inch to 20-inch options, including 7.5J x 17 inches, 8.5J x 18 inches, 7.5J x 18 inches, up to 9J x 20 inches. Tire sizes correspond accordingly and include 225/55 R17, 245/45 R18, 255/40 R19, and 255/35 R20, among others. These options allow drivers to customize their driving experience for comfort, sportiness, or aesthetics, with larger wheels typically improving handling responsiveness but possibly affecting ride comfort slightly.

The BMW 4 Series Gran Coupe (G26) has a ground clearance of 140 millimeters (5.5 inches), which is typical for sporty coupes, offering a good balance of road-holding stability and the ability to clear minor obstacles without difficulty. The roof load capacity is 75 kilograms (165 pounds), allowing attachment of roof racks and carrying luggage or sports equipment such as skis or bikes. While the ground clearance is moderate, it is recommended to be mindful of speed bumps and steep driveways. The roof load adds versatility without compromising safety if the limit is not exceeded.