2026 Vauxhall Astra Mk VIII (facelift 2026) Dimensions, Size & Specs

With its mirrors opened, the Vauxhall Astra Mk VIII measures 2062 mm (81.1 inches) in width, which is wider than the typical width with mirrors folded at 1859 mm (73.2 inches). This wider dimension requires extra caution during parking and maneuvering in narrow spaces such as tight city streets or compact parking lots. Drivers should account for this increased width, especially when entering garages or parallel parking, to avoid potential mirror damage or spatial constraints.

The Vauxhall Astra Mk VIII offers a practical luggage capacity with 310 to 422 liters (approximately 10.9 to 14.9 cubic feet) available behind the rear seats. When the rear seats are folded down, the cargo space significantly increases to between 1236 and 1339 liters (43.6 to 47.3 cubic feet). This flexible capacity makes the Astra Mk VIII highly versatile for carrying everyday shopping, luggage, or larger bulky items, making it an excellent choice for families or individuals requiring adaptability in cargo space.

The curb weight of the Vauxhall Astra Mk VIII ranges from 1296 kg to 1658 kg (approximately 2858 to 3655 lbs), depending on the specific trim and equipment fitted. This weight spectrum balances between fuel efficiency and solid road presence. Lighter variants can offer improved acceleration and handling, while heavier models typically come with enhanced features or safety equipment, potentially influencing ride comfort and stability. Overall, the curb weight provides a well-rounded driving experience, aligning with the hatchback’s sporty yet practical character.

The Vauxhall Astra Mk VIII has a maximum weight capacity (Gross Vehicle Weight Rating - GVWR) ranging between 1880 kg and 2180 kg (about 4146 to 4806 lbs). This rating includes the vehicle's own weight plus passengers, cargo, and any additional equipment. It ensures that the Astra can carry multiple passengers and a substantial amount of gear without compromising safety or performance. Adhering to this limit is crucial for maintaining braking efficiency, stability, and vehicle longevity, especially during longer trips or when fully loaded.

Yes, the Vauxhall Astra Mk VIII generally fits into a standard residential garage. With a length of 4374 mm (172.2 inches) and width of 1859 mm (73.2 inches) with mirrors folded, it comfortably fits within typical garage sizes which usually measure around 2400 mm (94.5 inches) or wider for width and at least 4800 mm (189 inches) for length. However, with mirrors opened (2062 mm or 81.1 inches), clearance may be tighter, so it’s recommended to fold the mirrors or check garage dimensions for best fit and ease of access.

The Vauxhall Astra Mk VIII has a height of 1441 mm (56.7 inches), which helps provide comfortable headroom for both front and rear passengers. This height offers enough cabin space for average-sized adults, contributing to a less cramped and more pleasant driving and riding experience. The modest height also optimizes the vehicle's aerodynamics, enhancing fuel efficiency and reducing wind noise during highway driving, all while maintaining a sporty hatchback profile.

The Vauxhall Astra Mk VIII is equipped with rim sizes available in 7.5J x 18, 7.5J x 17, and 8J x 18 options, providing a balance between style, comfort, and handling performance. Tire sizes include 215/45 R18, 225/45 R17, and 225/40 R18. These specifications allow for efficient road grip and a comfortable ride. The tire dimensions and rim choices also influence the car’s aesthetics and performance, offering buyers flexibility based on their priority for sportiness or economy.

Compared to the Astra Mk VII, the Mk VIII facelift 2026 model sees some refinements in exterior dimensions and interior space optimization. While the overall length of 4374 mm (172.2 inches) is similar or slightly increased, the Mk VIII often features improved width and height ratios contributing to better cabin room and luggage capacity. These dimensional tweaks enhance passenger comfort and cargo flexibility over its predecessor, while modern styling and aerodynamic upgrades reflect evolved design priorities. Specific numeric comparisons depend on exact Mk VII variants, but overall, the Mk VIII supports a more practical and contemporary hatchback experience.

Dimensionally, the Vauxhall Astra Mk VIII aligns closely with other popular compact hatchbacks such as the Ford Focus, Volkswagen Golf, and Peugeot 308. With a length of 4374 mm (172.2 inches), width of 1859 mm (73.2 inches) folded, and height of 1441 mm (56.7 inches), it is competitively sized to offer a spacious interior and cargo volume while maintaining ease of urban maneuverability. Its luggage capacity up to 422 liters (14.9 cubic feet) behind the rear seats is also on par with, or slightly better than, many rivals, making the Astra a strong choice for buyers seeking a blend of comfort, practicality, and compactness in the hatchback segment.