2003 Opel Signum Dimensions, Size & Specs

The Opel Signum from 2003 to 2005 exhibits a curb weight ranging between 1480 kg (3,262 lbs) and 1670 kg (3,681 lbs), depending on specific configurations and trim levels. The maximum permissible weight, also known as gross vehicle weight, lies between 1995 kg (4,400 lbs) and 2185 kg (4,817 lbs). This weight spectrum indicates a substantial yet balanced build, combining structural solidity with efficient driving dynamics—typical for a vehicle aimed at combining comfort and practicality.

The luggage capacity of the Opel Signum (2003-2005) is versatile and spacious, designed to suit varied storage needs. With the rear seats in their upright position, the available boot volume is 365 liters (approximately 12.9 cubic feet), which is respectable for a hatchback and suitable for everyday errands or moderate luggage. When the rear seats are folded down, the luggage space increases dramatically to 1410 liters (49.8 cubic feet), providing ample room for transporting bulkier items, making the Signum highly adaptable for travel or larger cargo requirements.

The Opel Signum produced between 2003 and 2005 comes fitted with a choice of tire sizes and corresponding rim dimensions to enhance ride comfort and handling. The tire sizes include 215/55 R16 and 215/50 R17, paired respectively with rims sized 6.5J x 16, 6.5J x 16, and 7J x 17. These specifications not only contribute to the car’s performance and safety but also offer some customization options depending on driving preference or aesthetic desire.

The Opel Signum (2003-2005), with its length of 4636 mm (182.6 inches) and width of 1798 mm (70.8 inches) excluding mirrors, typically fits comfortably within most standard residential garages. The opened mirror width of 2036 mm (80.1 inches) requires consideration to ensure the garage door and space can accommodate it without issues. Most garages sized approximately 2.4 meters (7.9 feet) wide and 5 meters (16.4 feet) deep will suffice. However, owners should confirm their garage dimensions, especially the door width, to ensure smooth entry and parking.

The Opel Signum was essentially derived from the Opel Vectra C platform but focused more on executive comfort and flexible interior layouts. Compared to the Opel Vectra B predecessor, the Signum is longer and slightly wider, with a length of 4636 mm (182.6 inches) versus the Vectra B’s approximately 4559 mm (179.4 inches). This increase in size translated into a more spacious cabin and enhanced luggage capacity, particularly due to its innovative rear seating arrangement. Overall, the Signum offered a blend of hatchback practicality with near-sedan roominess, marking a clear dimensional evolution from its predecessor.

When compared to similar mid-size hatchbacks from the early 2000s, such as the Ford Mondeo hatchback or Volkswagen Passat Variant, the Opel Signum stands out due to its unique executive-style interior and flexible rear seating system. Dimensionally, it is competitive with a length of 4636 mm (182.6 inches) and width of 1798 mm (70.8 inches), which places it in the larger segment of hatchbacks. Its luggage capacity with seats folded (1410 liters/49.8 cubic feet) also compares favorably, offering versatility that rivals often could not match without sacrificing passenger comfort.

The Opel Signum (2003-2005) allows a roof load of up to 100 kg (220 lbs). This capacity is adequate for most roof-mounted accessories such as luggage boxes, roof racks, or bicycle carriers. When considering roof loads, it’s essential to distribute the weight evenly and secure any items properly to avoid impacting vehicle handling and fuel efficiency. This roof load capacity makes the Signum suitable for users needing extra cargo capabilities, such as during family vacations or outdoor activities.

The Opel Signum from 2003-2005 has a height range between 1460 mm and 1466 mm (57.5 to 57.7 inches), depending on the specific model and suspension settings. This relatively low height enhances the car's aerodynamic profile, contributing to improved fuel efficiency and reduced wind noise at speed. Despite its modest height, the interior headroom is thoughtfully designed to provide ample space for occupants, balancing sleek external dimensions with cabin comfort, which is important for driver and passenger experience during long journeys.

The Opel Signum's curb weight ranges from 1480 kg to 1670 kg (3,262 lbs to 3,681 lbs), reflecting its sturdy construction and comprehensive features. This moderate weight supports a stable and comfortable ride, reducing harshness from road irregularities. However, heavier vehicles typically experience slightly reduced fuel efficiency compared to lighter counterparts. Opel balanced these aspects by offering efficient engines and aerodynamic design to mitigate fuel consumption impacts, making the Signum a practical option for drivers seeking comfort without significantly compromising economy.