The Vauxhall Vectra B 2.5i GSi represents a performance-oriented iteration of the second-generation Vectra, produced between 1997 and 1998. As a mid-size family car, the Vectra B aimed to blend practicality with a more engaging driving experience, particularly in GSi trim. While the Vectra nameplate was primarily a European offering, it was a significant model for Vauxhall (and its sister brand Opel) in the UK and mainland Europe, competing with vehicles like the Ford Mondeo, Peugeot 406, and Volkswagen Passat. The 2.5i GSi variant, with its larger engine and sporty aspirations, occupied a niche within that segment, appealing to drivers seeking a balance between comfort and performance.
Vauxhall Vectra B 2.5i GSi: A Performance Sedan
The Vectra B, launched in 1995, was a substantial step forward from its predecessor, the Vectra A. It featured a more refined chassis, improved interior space, and a wider range of engine options. The GSi trim level, historically associated with Vauxhall’s sporting models, was applied to the Vectra B to denote a higher level of performance and equipment. The 2.5i GSi, powered by a 2.5-liter V6 engine, was the flagship of the range, offering a noticeable increase in power and torque compared to the four-cylinder variants. This model aimed to provide a more dynamic driving experience without sacrificing the everyday usability expected of a family sedan.
Engine & Performance
The heart of the Vectra B 2.5i GSi is its 2498 cc (152.44 cu. in.) V6 engine, designated the X25XEI. This naturally aspirated engine produces 194 horsepower (Hp) at 6300 rpm and 240 Newton-meters (177.01 lb.-ft.) of torque. This output translates to a power-to-litre ratio of 77.7 Hp/l, a respectable figure for a naturally aspirated engine of this era. The engine’s configuration – a 60-degree V6 with 4 valves per cylinder – contributes to its smooth operation and relatively high revving capability. Power is delivered to the front wheels via a 5-speed manual transmission, providing drivers with direct control over the engine’s output. The front-engine, transverse layout is typical for front-wheel-drive vehicles of this class, optimizing space utilization and handling characteristics. While not a sports car by any measure, the 2.5i GSi offered brisk acceleration and a comfortable cruising speed, making it a capable all-rounder.
Design & Features
The Vauxhall Vectra B 2.5i GSi is a four-door sedan with a practical and understated design. While not overtly sporty in appearance, the GSi trim included subtle styling cues to differentiate it from the standard models, such as unique alloy wheels, a rear spoiler, and revised front and rear bumpers. The interior was designed with practicality and comfort in mind, offering seating for five passengers. The trunk (boot) space, with a maximum capacity of 550 liters (19.42 cu. ft.), was ample for family use. Features focused on comfort and convenience, typical for the late 1990s. Safety features, while not as comprehensive as those found in modern vehicles, included ventilated disc brakes on the front wheels and disc brakes on the rear, providing adequate stopping power. The vehicle’s dimensions – a length of 4495 mm (176.97 in.), a width of 1707 mm (67.2 in.), and a height of 1425 mm (56.1 in.) – positioned it squarely within the mid-size sedan segment. The wheelbase of 2637 mm (103.82 in.) contributed to a stable and comfortable ride.
Technical Specifications
| Brand | Vauxhall |
| Model | Vectra |
| Generation | Vectra B |
| Type (Engine) | 2.5i GSi (194 Hp) |
| Start of production | 1997 |
| End of production | 1998 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel Type | Petrol (Gasoline) |
| Power | 194 Hp @ 6300 rpm |
| Power per litre | 77.7 Hp/l |
| Torque | 240 Nm / 177.01 lb.-ft. |
| Engine layout | Front, Transverse |
| Engine Model/Code | X25XEI |
| Engine displacement | 2498 cm3 / 152.44 cu. in. |
| Number of cylinders | 6 |
| Engine configuration | V-engine |
| Number of valves per cylinder | 4 |
| Engine aspiration | Naturally aspirated engine |
| Engine oil capacity | 4.5 l / 4.76 US qt | 3.96 UK qt |
| Coolant | 7.7 l / 8.14 US qt | 6.78 UK qt |
| Trunk (boot) space – maximum | 550 l / 19.42 cu. ft. |
| Fuel tank capacity | 60 l / 15.85 US gal | 13.2 UK gal |
| Length | 4495 mm / 176.97 in. |
| Width | 1707 mm / 67.2 in. |
| Width including mirrors | 1841 mm / 72.48 in. |
| Height | 1425 mm / 56.1 in. |
| Wheelbase | 2637 mm / 103.82 in. |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the front wheels of the vehicle. |
| Drive wheel | Front wheel drive |
| Number of gears and type of gearbox | 5 gears, manual transmission |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
The Vauxhall Vectra B 2.5i GSi, while not a high-volume seller, represents a compelling option for those seeking a comfortable, practical, and reasonably sporty mid-size sedan from the late 1990s. Its V6 engine provides a noticeable performance boost over the base models, while its spacious interior and ample trunk space make it a suitable family vehicle. Though superseded by more modern designs, the Vectra B 2.5i GSi remains a testament to Vauxhall’s commitment to offering a diverse range of vehicles to suit various needs and preferences.

