2023 Alpina D3 Sedan (G20, facelift 2022) Dimensions, Size & Specs

The curb weight of the Alpina D3 Sedan is 1950 kg (4299 lbs), which includes all standard equipment and necessary operating fluids. This substantial weight reflects the car’s solid construction and luxury features. The maximum weight capacity, accounting for passengers and cargo, reaches up to 2340 kg (5159 lbs). This robust capacity enables the car to carry occupants and belongings comfortably without compromising performance or handling.

The Alpina D3 Sedan provides a generous luggage capacity of 480 liters (approximately 16.9 cubic feet). This spacious trunk allows for ample storage of suitcases, groceries, or sports equipment, making it highly practical for daily use and longer trips. The well-designed cargo area with a wide opening enhances loading convenience, ensuring the luggage space complements the car’s luxury and usability.

The Alpina D3 Sedan is equipped with overlapping rim sizes of 9.5J x 19 inches for the front wheels and 8.5J x 19 inches for the rear wheels. The corresponding tire sizes are 265/35 R19 for the front and 255/35 R19 for the rear. These staggered sizes enhance the sedan’s sporty handling characteristics, grip, and overall dynamic stability while maintaining a comfortable ride and stylish appearance.

With a width of 1827 mm (71.9 inches) excluding mirrors and a height of 1440 mm (56.7 inches), the Alpina D3 Sedan fits comfortably within the dimensions of most standard residential garages, which typically measure around 2.4 to 2.7 meters (7.9 to 8.9 feet) in width and at least 2.1 meters (6.9 feet) in height. The primary consideration is the mirror width when opened, which is 2068 mm (81.4 inches), so care should be taken when maneuvering to avoid damage. Overall, it is suitable for standard garage storage with usual caution on sides and mirror clearance.

Compared to its predecessor, the facelifted Alpina D3 Sedan (G20, facelift 2022) maintains very similar exterior dimensions, staying true to the G20 platform. While largely retaining the length and width with minor design refinements, the facelift typically involves subtle aerodynamic and styling updates rather than drastic size changes. The luggage capacity remains consistent, focusing on balancing sportiness and everyday practicality. In weight terms, enhancements in equipment can slightly affect mass, but the curb weight remains in the same range, ensuring familiar driving dynamics with modernized comforts.

Within the sport-luxury sedan segment, the Alpina D3 Sedan's dimensions are competitive. Its length of 4723 mm (185.9 inches) situates it within the mid-large sedan class, similar to rivals like the Audi S4, Mercedes-AMG C43, and some BMW M3 variants. The width and height are also balanced to provide ample interior space and road presence without compromising agility. Its generous luggage capacity of 480 liters (16.9 cubic feet) often compares favorably within the segment, making it a practical yet performance-focused choice in its category.

While specific interior dimensions are not listed here, the Alpina D3 Sedan (G20, facelift 2022) offers a spacious and refined cabin environment typical of luxury sedans in its class. The balance between exterior size and interior space ensures comfortable seating for five adults, with sufficient legroom and headroom. The sedan layout prioritizes passenger comfort with high-quality materials, advanced infotainment, and ergonomic design. Rear passengers benefit from adequate space, and the overall interior efficiently uses the available dimensions to maximize comfort and usability.

The curb weight of 1950 kg (4299 lbs) for the Alpina D3 Sedan reflects its solid build, luxury equipment, and performance enhancements. This weight contributes to a planted and stable ride, enhancing handling precision and road-holding capabilities. While higher weight can usually reduce fuel efficiency, Alpina engineering balances this with efficient powertrains and aerodynamics to optimize both performance and economy. The car offers dynamic driving experiences typical of premium sedans while integrating technology to moderate fuel consumption for daily driving.

The 2022 facelift of the Alpina D3 Sedan (G20) introduced a range of design refinements to modernize its appearance and enhance aerodynamic efficiency. These updates typically include refreshed front and rear bumpers, revised grilles, updated lighting elements like LED headlights and taillights, and subtle changes in exterior trim that emphasize the Alpina brand's sporty yet sophisticated character. Inside, advancements can include updated infotainment systems, improved materials, and revised interior lighting, enhancing the overall driving experience while maintaining the sedan’s distinctive identity.