2008 Audi A4 (B8 8K) Dimensions, Size & Specs

The curb weight of the Audi A4 B8 ranges from 1410 kg to 1690 kg (3109 to 3724 pounds) depending on the engine, trim, and optional equipment. Its maximum allowable weight, which includes passengers and cargo, varies between 1960 kg and 2240 kg (4321 to 4938 pounds). This weight distribution offers a stable driving experience while accommodating a reasonable payload for a compact executive sedan.

The standard luggage capacity of the Audi A4 B8 sedan stands at 480 liters (16.9 cubic feet), making it practical for daily use, groceries, or moderate travel loads. When the rear seats are folded down, the available cargo space expands significantly to 962 liters (33.9 cubic feet), allowing for the transportation of larger items such as sports equipment, camping gear, or bulky shopping. This versatile space makes the A4 B8 a flexible vehicle for various needs.

Yes, the Audi A4 B8 fits comfortably into a standard garage. With a length of 4703 mm (185.2 inches) and a width of 1826 mm (71.9 inches) excluding mirrors—or 2006 mm (78.9 inches) including mirrors—it is designed to fit in typical single-car garages, which generally measure about 2.4 to 3 meters (7.9 to 9.8 feet) wide and 5 to 6 meters (16.4 to 19.7 feet) deep. However, care should be taken when considering mirror clearance due to its width with mirrors extended.

Compared to its predecessor, the B7 generation Audi A4, the B8 model introduced in 2008 is longer and wider, contributing to increased interior space and a more commanding road presence. The B8 is approximately 127 mm (5 inches) longer and has a wider track, improving passenger comfort and driving dynamics. The height is slightly lower or comparable depending on specific trims, which aids in aerodynamics and styling. Overall, the B8 offers a more modern and spacious package than the B7.

The Audi A4 B8 holds its own well when compared to direct competitors like the BMW 3 Series E90 and Mercedes-Benz C-Class W204 of the same era. In length, the A4 B8 at 4703 mm (185.2 inches) is comparable or slightly longer than these rivals, providing similar or better rear passenger legroom and trunk capacity. The A4’s width with mirrors folded fits comfortably within standard garage dimensions, similar to the others. The B8’s 480 liters (16.9 cubic feet) luggage capacity is competitive, offering a practical trunk volume on par or slightly better than its peers. Overall, the A4 B8 balances sporty dimensions with everyday usability effectively.

The Audi A4 B8 supports multiple rim sizes including 7.5J x 16, 7.5J x 17, 7J x 16, 8J x 18, 8J x 17, and 8.5J x 19. Tires sized 225/55 R16, 225/50 R17, 205/60 R16, 245/40 R18, 245/45 R17, and 255/35 R19 are commonly paired with these rims. Larger rims and wider, lower-profile tires improve handling and visual appeal but may marginally increase the car's overall width at the tire contact patches. This can also affect ride comfort, with larger wheels typically leading to a firmer ride.

The roof load capacity of the Audi A4 B8 ranges between 75 kg to 90 kg (165 to 198 pounds), depending on specific model configurations. This means that the vehicle can safely support roof-mounted cargo such as roof boxes, bike racks, or skis within this weight limit. Exceeding this recommended roof load could compromise vehicle stability, handling, and safety. The roof load capacity makes the A4 B8 a practical option for outdoor enthusiasts who require additional storage space.

The height of the Audi A4 B8 varies between 1427 mm and 1436 mm (56.2 to 56.5 inches). These small variations depend primarily on different suspension setups, trims, and wheel/tire combinations. For example, sportier trims with lowered suspensions tend to sit slightly lower, whereas models with standard or comfort setups might have a marginally higher ride height. Additionally, the type of tires and rims fitted can cause subtle changes to overall height.

The Audi A4 B8 offers a well-balanced interior space with substantial passenger comfort and versatile cargo capacity. Its widened dimensions compared to its predecessor boost rear legroom and shoulder space, making it comfortable for four adults over long journeys. The generous luggage space of 480 liters (16.9 cubic feet), expandable to 962 liters (33.9 cubic feet) with rear seats folded, adds practical flexibility for carrying bulky items. With thoughtful cabin ergonomics and quality materials, the A4 B8 strikes a good balance between luxury and everyday usability.