The Opel Omega A 3.0, produced between 1987 and 1988, represented the flagship of Opel’s lineup during its initial run. This variant, equipped with the 30NE 3.0-liter inline-six engine producing 177 horsepower, was positioned as a premium offering within the Omega A range. It aimed to provide a blend of performance, comfort, and spaciousness, competing with vehicles like the Ford Granada and BMW 5 Series in the European market. The Omega A, built on Opel’s then-new ‘Vauxhall/Opel Omega’ platform, was a significant departure from the Rekord model it replaced, offering a more modern and sophisticated driving experience.
Technical Specifications
| Brand | Opel |
| Model | Omega |
| Generation | Omega A |
| Type (Engine) | 3.0 3000 (177 Hp) |
| Start of production | 1987 |
| End of production | 1988 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 15.6 l/100 km (15.1 US mpg, 18.1 UK mpg, 6.4 km/l) |
| Fuel consumption (extra urban) | 7.9 l/100 km (29.8 US mpg, 35.8 UK mpg, 12.7 km/l) |
| Fuel consumption (combined) | 9.6 l/100 km (24.5 US mpg, 29.4 UK mpg, 10.4 km/l) |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 8.8 sec |
| Acceleration 0 – 62 mph | 8.8 sec |
| Acceleration 0 – 60 mph | 8.4 sec |
| Maximum speed | 227 km/h (141.05 mph) |
| Weight-to-power ratio | 8.1 kg/Hp, 123.3 Hp/tonne |
| Weight-to-torque ratio | 6 kg/Nm, 167.2 Nm/tonne |
| Power | 177 Hp @ 5800 rpm |
| Power per litre | 59.6 Hp/l |
| Torque | 240 Nm @ 4200 rpm (177.01 lb.-ft. @ 4200 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | 30NE |
| Engine displacement | 2969 cm3 (181.18 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | Inline |
| Cylinder Bore | 95 mm (3.74 in.) |
| Piston Stroke | 69.8 mm (2.75 in.) |
| Compression ratio | 9.2:1 |
| Number of valves per cylinder | 2 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Engine oil capacity | 5.5 l (5.81 US qt | 4.84 UK qt) |
| Coolant capacity | 10.2 l (10.78 US qt | 8.97 UK qt) |
| Kerb Weight | 1435 kg (3163.63 lbs.) |
| Max. weight | 1955 kg (4310.04 lbs.) |
| Max load | 520 kg (1146.4 lbs.) |
| Trunk (boot) space – minimum | 520 l (18.36 cu. ft.) |
| Trunk (boot) space – maximum | 870 l (30.72 cu. ft.) |
| Fuel tank capacity | 75 l (19.81 US gal | 16.5 UK gal) |
| Length | 4740 mm (186.61 in.) |
| Width | 1760 mm (69.29 in.) |
| Height | 1445 mm (56.89 in.) |
| Wheelbase | 2730 mm (107.48 in.) |
| Front track | 1445 mm (56.89 in.) |
| Rear (Back) track | 1460 mm (57.48 in.) |
| Drivetrain Architecture | Rear wheel drive |
| Drive wheel | Rear wheel drive |
| Number of gears and type of gearbox | 5 gears, manual transmission |
| Front suspension | Spring Strut |
| Rear suspension | Wishbone |
| Front brakes | Disc |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Power steering | Hydraulic Steering |
| Tires size | 195/65 R15 |
| Wheel rims size | 7J x 15 |
Powertrain & Engine Architecture
The heart of the Omega A 3.0 was the 30NE engine, a 2.969-liter inline-six cylinder powerplant. This engine featured a cast-iron block and an aluminum cylinder head, employing a single overhead camshaft (SOHC) design with two valves per cylinder. Fuel delivery was handled by Bosch Motronic multi-port fuel injection, optimizing fuel efficiency and power output. The 30NE was known for its smooth operation and relatively robust construction. The five-speed manual transmission was the standard offering, providing drivers with direct control over the engine’s power. The engine’s longitudinal mounting and rear-wheel-drive configuration were typical for European sedans of this era, contributing to a balanced driving experience.
Driving Characteristics
The Omega A 3.0 with the manual transmission offered a respectable level of performance for its time. Acceleration from 0 to 60 mph was achieved in approximately 8.4 seconds, and it could reach a top speed of 141 mph. The inline-six engine delivered a broad torque curve, making it responsive in most driving situations. While not a sports car, the Omega A 3.0 provided ample power for comfortable highway cruising and overtaking. The rear-wheel-drive layout contributed to balanced handling, although it lacked the agility of some contemporary rivals. The five-speed manual transmission allowed drivers to fully exploit the engine’s power, while the gear ratios were well-suited for both city and highway driving.
Equipment & Trim Levels
The Omega A 3.0 typically came well-equipped, reflecting its position as the range-topping model. Standard features included central locking, electric windows, power steering, and an anti-lock braking system (ABS). Interior appointments featured comfortable cloth upholstery, although leather options were available. The dashboard layout was functional and straightforward, with clear instrumentation. Optional extras included a sunroof, upgraded audio system, and air conditioning. The Omega A 3.0 aimed to provide a luxurious and refined interior environment, appealing to buyers seeking a comfortable and well-equipped sedan.
Chassis & Braking
The Omega A featured an independent suspension system at all four wheels, utilizing MacPherson struts at the front and a semi-trailing arm setup at the rear. This suspension configuration provided a comfortable ride quality while maintaining reasonable handling characteristics. Disc brakes were fitted to all four wheels, providing ample stopping power. The ABS system further enhanced braking performance, particularly in adverse conditions. The chassis was designed to provide a stable and predictable driving experience, with a focus on comfort and refinement.
Market Reception & Comparison
The Opel Omega A 3.0 was generally well-received by automotive critics, who praised its spacious interior, comfortable ride, and smooth engine. However, some critics noted that its styling was somewhat conservative compared to its rivals. Compared to other trims in the Omega A lineup, the 3.0 offered a significant performance upgrade over the smaller-engined models. Fuel economy was a concern, with combined fuel consumption averaging around 24.5 US mpg. Reliability was generally good, although maintenance costs could be higher due to the complexity of the inline-six engine.
Legacy
The Opel Omega A 3.0 remains a sought-after classic car among enthusiasts. The 30NE engine is known for its durability and relatively straightforward maintenance, although parts availability can be a challenge. Today, well-maintained examples of the Omega A 3.0 are becoming increasingly rare, and they command a premium in the used car market. The Omega A 3.0 represents a significant chapter in Opel’s history, showcasing the brand’s commitment to building spacious, comfortable, and well-engineered sedans.
