The Opel Omega B 3.0i V6, produced between April 1994 and July 1999, represented the performance pinnacle of the Omega B generation (1994-2003). Positioned as the flagship trim level, it offered a substantial upgrade in power and refinement compared to the four-cylinder and 2.5 V6 models. Built on the GM E-platform (internally designated as the 1HX0/A3 platform, shared with models like the Saab 9000 and later the Opel Vectra C), the 3.0i V6 catered to drivers seeking a spacious, comfortable, and genuinely quick executive sedan. This variant distinguished itself with its larger displacement engine, rear-wheel drive configuration, and a focus on providing a more engaging driving experience than its more economical counterparts.
Powertrain & Engine Architecture
The heart of the Omega B 3.0i V6 is the X30XE engine, a 2.962-liter (180.75 cubic inches) naturally aspirated V6. This engine is a 60-degree V-engine, featuring an aluminum alloy cylinder head and iron block. It produces 211 horsepower at 6000 rpm and 270 Nm (199.14 lb-ft) of torque at 3400 rpm, resulting in a power-to-liter ratio of 71.2 hp/l. The X30XE utilizes multi-port fuel injection, delivering fuel directly into the intake ports just before the intake valves. The valvetrain employs a double overhead camshaft (DOHC) design with four valves per cylinder, optimizing airflow for improved performance.
While a five-speed manual transmission was standard, an optional four-speed automatic transmission was available. The automatic, a GM 4L30-E unit, was chosen for its robustness and smooth operation, though it did impact acceleration slightly compared to the manual. The engine’s longitudinal front-engine layout and rear-wheel drive configuration contribute to a balanced weight distribution, enhancing handling characteristics. Engine oil capacity is 5.75 liters (6.08 US quarts / 5.06 UK quarts), and the engine requires 9.7 liters (10.25 US quarts / 8.53 UK quarts) of coolant.
Engine Code Specifics
The X30XE engine code signifies a specific iteration of the GM High Feature V6 family. It’s known for its relatively simple design, contributing to its reliability. The engine’s design prioritizes smooth power delivery over outright peak power, making it well-suited for long-distance cruising. The X30XE is not a particularly high-strung engine, and its components are generally durable, though regular maintenance is crucial to prevent issues like oil leaks and timing chain wear.
Driving Characteristics
The Omega B 3.0i V6 delivers a refined and capable driving experience. Acceleration from 0 to 100 km/h (0-62 mph) takes approximately 8.5 seconds, while 0-60 mph is achieved in around 8.1 seconds. Top speed is electronically limited to 243 km/h (150.99 mph). The rear-wheel drive configuration provides a more engaging feel than front-wheel drive alternatives, offering better balance and steering response. The automatic transmission, while smooth, does result in some power loss compared to the manual version. Gear ratios are tuned for a balance between acceleration and fuel efficiency. The engine provides ample torque throughout the rev range, making overtaking maneuvers effortless. The Omega B’s suspension, tuned for comfort, absorbs bumps effectively, providing a smooth ride even on less-than-perfect road surfaces.
Equipment & Trim Levels
The 3.0i V6 trim was the most luxurious offering in the Omega B range. Standard equipment typically included leather upholstery, power-adjustable front seats, climate control, electric windows and mirrors, a premium sound system, and alloy wheels. Optional extras included a sunroof, navigation system, and upgraded audio components. Interior trim levels varied, with higher-spec models featuring wood veneer accents and more extensive leather coverage. The dashboard layout was generally consistent across the Omega B range, but the 3.0i V6 often featured additional instrumentation and a more refined finish. Safety features included ABS (Anti-lock Braking System) and driver and passenger airbags.
Chassis & Braking
The Omega B 3.0i V6 utilizes a coil spring suspension system at both the front and rear. The front suspension features independent coil springs and MacPherson struts, while the rear suspension employs a semi-independent coil spring setup. The braking system consists of ventilated discs at the front and solid discs at the rear, providing adequate stopping power for the vehicle’s weight and performance. The steering system is a hydraulic power steering setup with a worm-reduction unit, offering a good balance between assistance and feel. Standard tire size is 225/55 R16, mounted on 7J x 16 inch wheel rims.
Market Reception & Comparison
The Opel Omega B 3.0i V6 was generally well-received by automotive critics. It was praised for its spacious interior, comfortable ride, and strong performance. However, some critics noted the relatively high fuel consumption and the somewhat dated interior design compared to newer rivals. Compared to the 2.5 V6 and four-cylinder Omega B models, the 3.0i V6 offered a significant performance advantage, but at a higher price point. Fuel economy figures are 15.5 l/100 km (15.2 US mpg / 18.2 UK mpg / 6.5 km/l) in urban conditions and 8.1 l/100 km (29 US mpg / 34.9 UK mpg / 12.3 km/l) on the extra-urban cycle. Reliability was generally good, although the automatic transmission could be prone to issues if not properly maintained. The Omega B 3.0i V6 competed with other executive sedans such as the Ford Scorpio, BMW 5 Series, and Mercedes-Benz E-Class.
Technical Specifications
| Brand | Opel |
| Model | Omega |
| Generation | Omega B |
| Type (Engine) | 3.0i V6 (211 Hp) |
| Start of production | April, 1994 |
| End of production | July, 1999 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 15.5 l/100 km (15.2 US mpg / 18.2 UK mpg / 6.5 km/l) |
| Fuel consumption (extra urban) | 8.1 l/100 km (29 US mpg / 34.9 UK mpg / 12.3 km/l) |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 8.5 sec |
| Acceleration 0 – 62 mph | 8.5 sec |
| Acceleration 0 – 60 mph | 8.1 sec |
| Maximum speed | 243 km/h (150.99 mph) |
| Weight-to-power ratio | 7.6 kg/Hp, 131.5 Hp/tonne |
| Weight-to-torque ratio | 5.9 kg/Nm, 168.2 Nm/tonne |
| Power | 211 Hp @ 6000 rpm |
| Power per litre | 71.2 Hp/l |
| Torque | 270 Nm @ 3400 rpm (199.14 lb.-ft. @ 3400 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | X30XE |
| Engine displacement | 2962 cm3 (180.75 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | V-engine |
| Cylinder Bore | 86 mm (3.39 in.) |
| Piston Stroke | 85 mm (3.35 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 | 5.75 l (6.08 US qt | 5.06 UK qt) |
| Coolant | 9.7 l (10.25 US qt | 8.53 UK qt) |
| Kerb Weight | 1605 kg (3538.42 lbs.) |
| Max. weight | 2170 kg (4784.03 lbs.) |
| Max load | 565 kg (1245.61 lbs.) |
| Trunk (boot) space – minimum | 530 l (18.72 cu. ft.) |
| Trunk (boot) space – maximum | 830 l (29.31 cu. ft.) |
| Fuel tank capacity | 75 l (19.81 US gal | 16.5 UK gal) |
| Length | 4785 mm (188.39 in.) |
| Width | 1785 mm (70.28 in.) |
| Height | 1450 mm (57.09 in.) |
| Wheelbase | 2730 mm (107.48 in.) |
| Front track | 1515 mm (59.65 in.) |
| Rear (Back) track | 1530 mm (60.24 in.) |
| Ride height (ground clearance) | 140 mm (5.51 in.) |
| Drag coefficient (Cd) | 0.28 |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the rear wheels of the vehicle. |
| Drive wheel | Rear wheel drive |
| Number of gears and type of gearbox | 5 gears, manual transmission |
| Front suspension | Coil spring |
| Rear suspension | Coil spring |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Worm-reduction unit |
| Power steering | Hydraulic Steering |
| Tires size | 225/55 R16 |
| Wheel rims size | 7J x 16 |
Legacy
The Opel Omega B 3.0i V6, while discontinued in 1999, remains a sought-after classic among enthusiasts. The X30XE engine is known for its durability, and well-maintained examples can still provide reliable service. However, age-related issues such as oil leaks, corrosion, and wear on suspension components are common. In the used car market, the 3.0i V6 commands a premium over the lower-spec Omega B models. Its combination of performance, comfort, and spaciousness continues to appeal to those seeking a distinctive and capable executive sedan. The Omega B, in general, has gained a cult following, appreciated for its robust build quality and understated elegance.
