The Opel Insignia OPC 2.8 V6, produced from September 2013 to January 2017, represented the high-performance variant of the Insignia A sedan (facelift). Positioned as the flagship model, it aimed to deliver a blend of luxury, practicality, and spirited driving dynamics. This model was primarily marketed in Europe, offering a compelling alternative to established performance sedans. The “Unlimited” designation referred to the removal of the electronic speed limiter, allowing for a higher top speed. It was a key offering in Opel’s attempt to elevate its brand image and compete with premium German automakers.
Technical Specifications
| Brand | Opel |
| Model | Insignia |
| Generation | Insignia Sedan (A, facelift 2013) |
| Type (Engine) | OPC 2.8 V6 (325 Hp) AWD Turbo Ecotec Unlimited |
| Start of production | September, 2013 |
| End of production | January, 2017 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (economy) – urban | 15.8 l/100 km (14.9 US mpg, 17.9 UK mpg, 6.3 km/l) |
| Fuel consumption (economy) – extra urban | 7.6 l/100 km (30.9 US mpg, 37.2 UK mpg, 13.2 km/l) |
| Fuel consumption (economy) – combined | 10.6 l/100 km (22.2 US mpg, 26.6 UK mpg, 9.4 km/l) |
| CO2 emissions | 249 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 6 sec |
| Acceleration 0 – 62 mph | 6 sec |
| Acceleration 0 – 60 mph | 5.7 sec |
| Maximum speed | 270 km/h (167.77 mph) |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 5.3 kg/Hp, 187.3 Hp/tonne |
| Weight-to-torque ratio | 4 kg/Nm, 250.7 Nm/tonne |
| Power | 325 Hp @ 5250 rpm |
| Power per litre | 116.4 Hp/l |
| Torque | 435 Nm @ 5250 rpm (320.84 lb.-ft. @ 5250 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | A28NER, B28NER |
| Engine displacement | 2792 cm3 (170.38 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | V-engine |
| Cylinder Bore | 89 mm (3.5 in.) |
| Piston Stroke | 74.8 mm (2.94 in.) |
| Compression ratio | 9.5:1 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Turbocharger, Intercooler |
| Engine oil capacity | 6.3 l (6.66 US qt | 5.54 UK qt) |
| Coolant | 6.7 l (7.08 US qt | 5.9 UK qt) |
| Kerb Weight | 1735 kg (3825.02 lbs.) |
| Max. weight | 2315 kg (5103.7 lbs.) |
| Max load | 580 kg (1278.68 lbs.) |
| Trunk (boot) space – minimum | 500 l (17.66 cu. ft.) |
| Trunk (boot) space – maximum | 1015 l (35.84 cu. ft.) |
| Fuel tank capacity | 70 l (18.49 US gal | 15.4 UK gal) |
| Max. roof load | 100 kg (220.46 lbs.) |
| Permitted trailer load with brakes (12%) | 2000 kg (4409.25 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Length | 4842 mm (190.63 in.) |
| Width | 1858 mm (73.15 in.) |
| Width including mirrors | 2084 mm (82.05 in.) |
| Height | 1498 mm (58.98 in.) |
| Wheelbase | 2737 mm (107.76 in.) |
| Front track | 1585 mm (62.4 in.) |
| Rear (Back) track | 1587 mm (62.48 in.) |
| Minimum turning circle | 11.4 m (37.4 ft.) |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 6 gears, manual transmission |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
Powertrain & Engine Architecture
The heart of the Insignia OPC was the 2.8-liter V6 engine, designated A28NER or B28NER depending on minor revisions. This engine featured a 60-degree V-angle and utilized a twin-scroll turbocharger with an intercooler to boost power output to 325 horsepower and 435 Nm (320.84 lb-ft) of torque. The engine employed multi-port fuel injection and a relatively high 9.5:1 compression ratio. The engine was transversely mounted in the front of the vehicle. The six-speed manual transmission was the only gearbox option, chosen for its driver engagement and ability to handle the engine’s output. The transmission featured closely spaced ratios designed to maximize acceleration and provide responsive downshifts.
Driving Characteristics
The Insignia OPC delivered a noticeably more engaging driving experience than its standard counterparts. The all-wheel-drive system, utilizing a multi-plate clutch, provided excellent traction, particularly in adverse weather conditions. Acceleration from 0 to 60 mph was achieved in around 5.7 seconds, and the electronically limited top speed of 155 mph was removed in the “Unlimited” version, allowing for a maximum speed of 270 km/h (167.77 mph). The steering was direct and well-weighted, offering good feedback. While the suspension was firm to minimize body roll, it remained reasonably comfortable for everyday driving. Compared to lower-powered Insignia models, the OPC offered a significantly more visceral and sporty experience, though it came at the cost of increased fuel consumption.
Equipment & Trim Levels
The OPC trim level came generously equipped. Standard features included sport seats upholstered in Morrocana (a leatherette material), a flat-bottomed steering wheel, aluminum pedals, and unique exterior styling cues such as a rear spoiler, aggressive front bumper, and side skirts. Infotainment systems typically included a touchscreen display with navigation, Bluetooth connectivity, and a premium sound system. Optional extras included leather upholstery, adaptive cruise control, and a panoramic sunroof. The interior generally featured a dark color scheme with contrasting stitching to emphasize the sporty character.
Chassis & Braking
The Insignia OPC featured a specially tuned chassis with stiffer springs and dampers compared to standard Insignia models. The front suspension utilized the HiPerStrut system, designed to minimize torque steer and improve handling precision. At the rear, a multi-link suspension provided stability and ride comfort. Braking duties were handled by high-performance Brembo brakes with large ventilated discs at all four corners, providing ample stopping power. The car also featured an electronic stability control system (ESP) with a sport mode that allowed for a greater degree of wheel slip for more spirited driving.
Market Reception & Comparison
The Insignia OPC was generally well-received by automotive critics, who praised its performance, handling, and value for money. It was often compared to rivals such as the Ford Mondeo ST and the Volkswagen Passat R36. While the OPC offered comparable performance to these rivals, it often stood out for its more aggressive styling and spacious interior. Fuel economy was a common criticism, as the 2.8-liter V6 engine was relatively thirsty. Reliability was generally good, although some owners reported minor issues with the electronic systems.
Legacy
The Opel Insignia OPC 2.8 V6 represents a significant chapter in Opel’s performance car history. While production numbers were relatively limited, the OPC has gained a following among enthusiasts who appreciate its blend of performance, practicality, and distinctive styling. On the used car market, well-maintained examples command a premium, and the powertrain is generally considered robust if properly serviced. The OPC’s legacy lies in demonstrating Opel’s ability to create a genuinely engaging and competitive performance sedan.

