The Vauxhall Vectra C 1.8i 16V ECOTEC (122 Hp) is a front-wheel-drive, four-door sedan that was produced between 2002 and 2005. Part of the Vectra C generation (launched in 2002), this model represented Vauxhall’s offering in the large family car segment, competing with vehicles like the Ford Mondeo and Peugeot 406 in the United Kingdom and broader European markets. While not directly sold in the United States, understanding the Vectra C provides insight into the engineering and design trends of European family cars during the early 2000s. The “ECOTEC” designation signified Vauxhall’s commitment to fuel efficiency and reduced emissions, a growing concern at the time.
Vauxhall Vectra C: An Overview
The Vectra C was a significant departure from its predecessor, the Vectra B, offering a more refined driving experience, improved interior space, and a more modern aesthetic. The 1.8i 16V ECOTEC variant was a popular choice, balancing performance with affordability and fuel economy. It served as a practical and comfortable vehicle for families and commuters alike. The Vectra C aimed to provide a more premium feel than some of its competitors, with a focus on build quality and interior appointments.
Engine & Performance
The heart of the Vectra C 1.8i 16V ECOTEC is a 1.8-liter (1796 cm3 or 109.6 cu. in.) inline four-cylinder gasoline engine. This engine, designated Z18XE, produces 122 horsepower (Hp) at 6000 rpm and 167 Newton-meters (123.17 lb.-ft.) of torque at 3800 rpm. The engine utilizes multi-port fuel injection and a double overhead camshaft (DOHC) valvetrain with four valves per cylinder. This configuration contributes to a reasonable power output and a power-to-liter ratio of 67.9 Hp/l. Acceleration from 0 to 100 km/h (0-62 mph) takes 10.5 seconds, while 0 to 60 mph is achieved in approximately 10 seconds. The vehicle has a maximum speed of 204 km/h (126.76 mph). The engine’s naturally aspirated design and relatively modest power output prioritize fuel efficiency over outright performance. The five-speed manual transmission allows for driver engagement and contributes to the vehicle’s overall efficiency.
Design & Features
The Vauxhall Vectra C is a traditional four-door sedan with a relatively conservative design. Its exterior styling was intended to appeal to a broad audience, prioritizing practicality and understated elegance over radical aesthetics. The vehicle offers seating for five passengers and a generous trunk space ranging from 500 liters (17.66 cu. ft.) with the rear seats up to 1050 liters (37.08 cu. ft.) with the rear seats folded down.
Safety features for the time included Anti-lock Braking System (ABS). The Vectra C’s suspension system consists of an independent McPherson strut setup at the front and an independent multi-link suspension at the rear, providing a comfortable ride and reasonable handling characteristics. The drag coefficient of 0.28 contributes to improved aerodynamic efficiency, aiding in fuel economy and reducing wind noise. Interior features focused on comfort and practicality, with a focus on providing a functional and user-friendly environment for both driver and passengers.
Technical Specifications
| Brand | Vauxhall |
| Model | Vectra |
| Generation | Vectra C |
| Type (Engine) | 1.8i 16V ECOTEC (122 Hp) |
| Start of production | 2002 |
| End of production | 2005 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 10.7 l/100 km (22 US mpg, 26.4 UK mpg, 9.3 km/l) |
| Fuel consumption (extra urban) | 5.8 l/100 km (40.6 US mpg, 48.7 UK mpg, 17.2 km/l) |
| Fuel consumption (combined) | 7.6 l/100 km (30.9 US mpg, 37.2 UK mpg, 13.2 km/l) |
| CO2 emissions | 182 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 10.5 sec |
| Acceleration 0 – 62 mph | 10.5 sec |
| Acceleration 0 – 60 mph | 10 sec |
| Maximum speed | 204 km/h (126.76 mph) |
| Emission standard | Euro 4 |
| Weight-to-power ratio | 10.7 kg/Hp, 93.8 Hp/tonne |
| Weight-to-torque ratio | 7.8 kg/Nm, 128.5 Nm/tonne |
| Power | 122 Hp @ 6000 rpm |
| Power per litre | 67.9 Hp/l |
| Torque | 167 Nm @ 3800 rpm (123.17 lb.-ft. @ 3800 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | Z18XE |
| Engine displacement | 1796 cm3 (109.6 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 80.5 mm (3.17 in.) |
| Piston Stroke | 88.2 mm (3.47 in.) |
| Compression ratio | 10.5:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | DOHC |
| Engine oil capacity | 4.25 l (4.49 US qt | 3.74 UK qt) |
| Coolant | 5.5 l (5.81 US qt | 4.84 UK qt) |
| Kerb Weight | 1300 kg (2866.01 lbs.) |
| Trunk (boot) space – minimum | 500 l (17.66 cu. ft.) |
| Trunk (boot) space – maximum | 1050 l (37.08 cu. ft.) |
| Length | 4611 mm (181.54 in.) |
| Width | 1798 mm (70.79 in.) |
| Width including mirrors | 2036 mm (80.16 in.) |
| Height | 1460 mm (57.48 in.) |
| Wheelbase | 2700 mm (106.3 in.) |
| Drag coefficient (Cd) | 0.28 |
| 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 suspension | Independent, type McPherson with coil spring and anti-roll bar |
| Rear suspension | Independent multi-link suspension |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
The Vauxhall Vectra C 1.8i 16V ECOTEC, while not a performance icon, represented a solid and reliable choice for buyers in the early 2000s. Its blend of practicality, comfort, and reasonable fuel economy made it a popular vehicle in its segment.


