The Opel Vectra A (facelift 1992) 2.5 V6 represents a significant evolution in Opel’s mid-size offerings. Introduced in March 1993 and continuing through July 1995, this variant of the Vectra A aimed to provide a more premium and performance-oriented option within the range. While the Vectra nameplate had existed previously, the ‘A’ generation marked a substantial redesign, moving away from the rear-wheel-drive layout of its predecessors to a more modern front-wheel-drive configuration. The 2.5 V6 model, with its 170 horsepower engine, was positioned as a flagship trim, offering a blend of comfort, space, and respectable performance for the European market.
Opel Vectra A (facelift 1992) 2.5 V6: An Overview
The Vectra A was Opel’s response to increasing competition in the D-segment – the class of family cars that included models like the Ford Mondeo, Volkswagen Passat, and Peugeot 405. Opel, as a key brand within the General Motors portfolio, sought to create a vehicle that was both technologically advanced and appealing to a broad customer base. The facelift in 1992 brought subtle styling revisions and improvements to the interior, enhancing the car’s overall refinement. The 2.5 V6 engine was a key differentiator, offering a smoother and more powerful driving experience than the more common four-cylinder options.
Engine & Performance
The heart of the Vectra A 2.5 V6 is its 2.5-liter, naturally aspirated V6 engine, designated the C25XE. This engine produces 170 horsepower at 6000 rpm and 227 Nm (167.43 lb-ft) of torque at 4200 rpm. The engine’s configuration – a 60-degree V-angle – contributes to its smooth operation and relatively compact size. Power is delivered to the front wheels through a five-speed manual transmission. This powertrain combination allows for a 0-100 km/h (0-62 mph) acceleration time of 7.8 seconds, and a 0-60 mph time of 7.4 seconds, making it a relatively quick vehicle for its time. The top speed is rated at 233 km/h (144.78 mph). The engine’s power-to-weight ratio of 7.3 kg/Hp and torque-to-weight ratio of 5.5 kg/Nm contribute to its responsive feel. Fuel economy figures are 8.8 l/100 km (26.7 US mpg) combined, 11.8 l/100 km (19.9 US mpg) urban, and 7.0 l/100 km (33.6 US mpg) extra-urban.
Design & Features
The Opel Vectra A is a four-door sedan with a traditional three-box design. The facelifted model features a more streamlined front end and revised taillights compared to the original launch version. The interior offers seating for five passengers and provides a reasonable level of comfort and practicality. While not overtly luxurious, the 2.5 V6 model typically included features such as power windows, central locking, and an upgraded audio system. Safety features for the era included an Anti-lock Braking System (ABS), which was becoming increasingly common on vehicles in this segment. The Vectra A’s trunk offers a useful 530 liters of space (18.72 cu. ft.) which can be expanded to 840 liters (29.66 cu. ft.) with the rear seats folded down. The car’s dimensions are 4432 mm (174.49 in.) in length, 1706 mm (67.17 in.) in width, and 1400 mm (55.12 in.) in height, with a wheelbase of 2600 mm (102.36 in.).
Technical Specifications
| Brand | Opel |
| Model | Vectra |
| Generation | Vectra A (facelift 1992) |
| Type (Engine) | 2.5 V6 (170 Hp) |
| Start of production | March, 1993 |
| End of production | July, 1995 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 11.8 l/100 km (19.9 US mpg) |
| Fuel consumption (extra urban) | 7 l/100 km (33.6 US mpg) |
| Fuel consumption (combined) | 8.8 l/100 km (26.7 US mpg) |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 7.8 sec |
| Acceleration 0 – 62 mph | 7.8 sec |
| Acceleration 0 – 60 mph | 7.4 sec |
| Maximum speed | 233 km/h (144.78 mph) |
| Weight-to-power ratio | 7.3 kg/Hp |
| Weight-to-torque ratio | 5.5 kg/Nm |
| Power | 170 Hp @ 6000 rpm |
| Torque | 227 Nm @ 4200 rpm (167.43 lb.-ft. @ 4200 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | C25XE |
| Engine displacement | 2489 cm3 (151.89 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | V-engine |
| Cylinder Bore | 81.6 mm (3.21 in.) |
| Piston Stroke | 79.6 mm (3.13 in.) |
| Compression ratio | 10.8:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | DOHC |
| Engine oil capacity | 4.5 l (4.76 US qt | 3.96 UK qt) |
| Coolant capacity | 7.5 l (7.93 US qt | 6.6 UK qt) |
| Kerb Weight | 1245 kg (2744.76 lbs.) |
| Max. weight | 1765 kg (3891.16 lbs.) |
| Max load | 520 kg (1146.4 lbs.) |
| Trunk (boot) space – minimum | 530 l (18.72 cu. ft.) |
| Trunk (boot) space – maximum | 840 l (29.66 cu. ft.) |
| Fuel tank capacity | 61 l (16.11 US gal | 13.42 UK gal) |
| Length | 4432 mm (174.49 in.) |
| Width | 1706 mm (67.17 in.) |
| Height | 1400 mm (55.12 in.) |
| Wheelbase | 2600 mm (102.36 in.) |
| Front track | 1437 mm (56.57 in.) |
| Rear track | 1432 mm (56.38 in.) |
| Drag coefficient (Cd) | 0.29 |
| Drivetrain Architecture | Front wheel drive |
| Number of gears | 5 gears, manual transmission |
| Front suspension | Wishbone |
| Rear suspension | Coil spring |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system), Hydraulic Steering |
| Tires size | 195/60 R15 |
| Wheel rims size | 15 |
The Opel Vectra A 2.5 V6, while not a high-volume seller compared to its four-cylinder counterparts, remains a desirable classic for enthusiasts. It represents a well-rounded package of performance, comfort, and practicality, embodying the advancements in automotive engineering of the early 1990s.
