2009 Audi A4 Avant (B8 8K) Dimensions, Size & Specs

The curb weight of the 2009 Audi A4 Avant (B8 8K) ranges between 1470 kg to 1735 kg (3241 to 3826 lbs) depending on the model variant and equipment. Its maximum permissible weight (gross vehicle weight rating) spans from 2040 kg to 2305 kg (4497 to 5084 lbs). This means depending on fueling, passengers, and cargo load, the vehicle is capable of carrying roughly 570 to 770 kg (1257 to 1697 lbs) beyond its empty weight safely.

The Audi A4 Avant (B8 8K) station wagon offers a practical luggage capacity of 490 liters (17.3 cubic feet) with the rear seats up. Once you fold the rear seats down, the cargo space significantly expands, ranging between 1403 and 1430 liters (49.5 to 50.5 cubic feet). This generous storage makes it ideal for families, travel, and transporting bulky items, combining versatility with a comfortable cabin.

Standard single-car garage sizes typically measure around 2400 to 2700 mm (94.5 to 106 inches) in width and 4800 to 5400 mm (189 to 212 inches) in length. With its length of 4703 mm (185.2 inches) and width of 1826 mm (71.9 inches) excluding mirrors—or 2006 mm (79 inches) including mirrors—the Audi A4 Avant (B8 8K) comfortably fits inside a standard garage. However, when parking, care should be taken due to the car’s width with mirrors extended, especially in narrower garages.

Compared to its predecessor, the Audi A4 Avant (B7, produced until 2008), the B8 8K generation saw a slight increase in dimensions. The B8 Avant is longer at 4703 mm (185.2 inches) compared to the B7’s approximate 4626 mm (182 inches) length. Its width is also slightly wider at 1826 mm (71.9 inches) versus the B7's around 1773 mm (69.8 inches). These increased dimensions contributed to more interior and cargo space, enhanced stability, and improved road presence, upgrading the car's comfort and practicality without a major size jump that could affect maneuverability.

The Audi A4 Avant (B8 8K) competes in the mid-size premium station wagon segment against models like the BMW 3 Series Touring and Mercedes-Benz C-Class Estate. Dimensionally, the A4 Avant’s length of 4703 mm (185.2 inches) and width of 1826 mm (71.9 inches) position it as slightly larger or on par with these rivals. Its cargo capacity—490 liters (17.3 cubic feet) expandable to over 1400 liters (49.5 cubic feet)—is competitive, offering excellent versatility. Owners often cite Audi’s refined interior and balanced chassis as distinct advantages in this segment, combining practical size with premium features.

The Audi A4 Avant (B8 8K) offers a variety of rim sizes to suit performance and styling preferences. Standard rim sizes range from 7.5J x 16 inches up to 8.5J x 19 inches. Corresponding tire sizes include 225/55 R16, 225/50 R17, 225/65 R16, 225/50 R16, 245/45 R17, 245/40 R18, and 255/35 R19. This range caters to both comfort-oriented setups with 16-inch wheels and sportier variants fitted with larger 18- or 19-inch rims and lower-profile tires.

The roof load limit for the Audi A4 Avant (B8 8K) is 90 kg (198 lbs). This capacity allows the secure attachment of roof racks, bike carriers, or roof boxes, enabling users to transport bulky sports equipment, camping gear, or additional luggage beyond the interior cargo space. It is essential to ensure the load is distributed evenly and firmly secured to maintain vehicle stability and safety during driving.

The slight dimensional growth of the Audi A4 Avant (B8 8K) over earlier models translates into perceptible benefits in interior space and driving dynamics. The increased length and width contribute to improved legroom and shoulder room for passengers, enhancing comfort during long trips. The vehicle's chassis and suspension were also developed to complement these size changes, offering more composed and agile handling. The balance between size and driver engagement typifies Audi’s approach to combining everyday usability with a sporty driving experience.

The Audi A4 Avant (B8 8K) is an excellent choice for families and frequent travelers due to its well-thought-out size and versatile station wagon design. Its overall length of 4703 mm (185.2 inches) and width of 1826 mm (71.9 inches) provides a spacious cabin and sufficient road presence while still being manageable in urban environments. The 490-liter (17.3 cubic feet) luggage space, expandable to over 1400 liters (49.5 cubic feet) with rear seats folded, allows ample room for suitcases, sports gear, and daily groceries. Furthermore, the 90 kg (198 lbs) roof load capacity helps carry extra equipment such as roof boxes or bike racks. All these size-related features make the B8 Avant a highly practical vehicle suited for active lifestyles.