The Mazda 6 III Sedan, specifically the facelifted version introduced in 2015 (GJ platform), represented a significant evolution of Mazda’s mid-size offering. The 2.2 SKYACTIV-D variant with 150 horsepower and a six-speed automatic transmission, coupled with the i-ELOOP energy recovery system, was a key model in the European and Asian markets, offering a blend of fuel efficiency, refinement, and practicality. Production of this specific configuration ran from 2015 to 2017, positioned as a strong contender in the diesel-powered family sedan segment.
Technical Specifications
| Brand | Mazda |
| Model | 6 |
| Generation | III Sedan (GJ, facelift 2015) |
| Type (Engine) | 2.2 SKYACTIV-D (150 Hp) i-ELOOP Automatic |
| Start of production | 2015 |
| End of production | 2017 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 6 l/100 km (39.2 US mpg, 47.1 UK mpg, 16.7 km/l) |
| Fuel consumption (extra urban) | 4.2 l/100 km (56 US mpg, 67.3 UK mpg, 23.8 km/l) |
| Fuel consumption (combined) | 4.8 l/100 km (49 US mpg, 58.9 UK mpg, 20.8 km/l) |
| CO2 emissions | 127 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 9.8 sec |
| Acceleration 0 – 62 mph | 9.8 sec |
| Acceleration 0 – 60 mph | 9.3 sec |
| Maximum speed | 204 km/h (126.76 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 10 kg/Hp, 100.3 Hp/tonne |
| Weight-to-torque ratio | 3.9 kg/Nm, 254.2 Nm/tonne |
| Power | 150 Hp @ 4500 rpm |
| Power per litre | 68.5 Hp/l |
| Torque | 380 Nm @ 1800-2600 rpm (280.27 lb.-ft. @ 1800-2600 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | SHY4 |
| Engine displacement | 2191 cm3 (133.7 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 86 mm (3.39 in.) |
| Piston Stroke | 94.3 mm (3.71 in.) |
| Compression ratio | 14:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | BiTurbo, Intercooler |
| Engine oil capacity | 5.1 l (5.39 US qt | 4.49 UK qt) |
| Coolant | 8.8 l (9.3 US qt | 7.74 UK qt) |
| Kerb Weight | 1495-1587 kg (3295.91 – 3498.74 lbs.) |
| Max. weight | 2070 kg (4563.57 lbs.) |
| Max load | 483-575 kg (1064.83 – 1267.66 lbs.) |
| Trunk (boot) space – minimum | 480 l (16.95 cu. ft.) |
| Fuel tank capacity | 62 l (16.38 US gal | 13.64 UK gal) |
| Max. roof load | 75 kg (165.35 lbs.) |
| Permitted trailer load with brakes (8%) | 1800 kg (3968.32 lbs.) |
| Permitted trailer load with brakes (12%) | 1600 kg (3527.4 lbs.) |
| Permitted trailer load without brakes | 730 kg (1609.37 lbs.) |
| Permitted towbar download | 75 kg (165.35 lbs.) |
| Length | 4870 mm (191.73 in.) |
| Width | 1840 mm (72.44 in.) |
| Height | 1450 mm (57.09 in.) |
| Wheelbase | 2830 mm (111.42 in.) |
| Ride height (ground clearance) | 165 mm (6.5 in.) |
| Minimum turning circle | 11.2 m (36.75 ft.) |
| Drivetrain Architecture | Front wheel drive |
| Number of gears and type of gearbox | 6 gears, automatic transmission |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
INTRODUCTION
The 2015-2017 Mazda 6 Sedan 2.2 SKYACTIV-D 150 hp Automatic represented a sweet spot in the Mazda 6 lineup for many European and Asian buyers. Falling between the more affordable 2.0-liter petrol models and the higher-performance 2.5-liter variants, it offered a compelling combination of fuel economy, torque, and comfort. The “GJ” generation Mazda 6, and particularly the facelifted version, was praised for its stylish design, refined interior, and engaging driving dynamics. The inclusion of the i-ELOOP system further enhanced its efficiency, making it a popular choice for long-distance commuters and family drivers.
Powertrain & Engine Architecture
At the heart of this variant lies the SHY4 2.2-liter four-cylinder diesel engine, a cornerstone of Mazda’s SKYACTIV technology. This engine featured a high compression ratio of 14:1, achieved through advanced combustion control and optimized piston design. The engine employed a twin-turbocharger setup – a small turbo for immediate response and a larger turbo for sustained power – coupled with an intercooler to manage intake air temperature. Fuel was delivered via a common-rail direct injection system, ensuring precise fuel metering and efficient combustion. The six-speed automatic transmission, specifically tuned for the diesel engine’s torque characteristics, provided smooth and responsive gear changes. The i-ELOOP system, Mazda’s mild hybrid technology, utilized a capacitor to store energy generated during braking and then used it to power electrical components, reducing the load on the engine and improving fuel economy.
Driving Characteristics
The 150 hp SKYACTIV-D engine, while not the most powerful option in the Mazda 6 range, delivered a substantial 380 Nm (280 lb-ft) of torque between 1800 and 2600 rpm. This abundance of low-end torque made the car feel surprisingly brisk in everyday driving situations, providing effortless acceleration for overtaking and merging. The automatic transmission was well-matched to the engine, offering smooth shifts and a willingness to downshift when needed. Compared to the manual transmission versions, the automatic prioritized comfort and ease of use, although it did slightly diminish the sense of driver engagement. Against the higher-output 2.5-liter petrol models, the diesel offered superior fuel economy and a more relaxed cruising experience, but lacked the petrol engine’s outright acceleration.
Equipment & Trim Levels
The 2.2 SKYACTIV-D 150 hp Automatic typically came equipped with a generous level of standard features. These included automatic climate control, a touchscreen infotainment system with Bluetooth connectivity, power windows and mirrors, and alloy wheels. Higher trim levels added features such as leather upholstery, a premium sound system, navigation, and advanced safety technologies like lane departure warning and adaptive cruise control. Interior upholstery was generally cloth on base models, with leather options available on higher trims. Dashboard configurations were consistent across the range, featuring a clean and modern design with a focus on ergonomics.
Chassis & Braking
The Mazda 6 GJ utilized a front-wheel-drive platform with a MacPherson strut front suspension and a multi-link rear suspension. The suspension was tuned to provide a balance between comfort and handling, offering a composed ride quality without sacrificing agility. Braking duties were handled by ventilated discs at the front and solid discs at the rear. Anti-lock Braking System (ABS) was standard, providing enhanced stopping power and stability. Stabilizer bars were fitted front and rear to reduce body roll during cornering.
Market Reception & Comparison
The Mazda 6 2.2 SKYACTIV-D Automatic was generally well-received by automotive critics. It was praised for its refined engine, comfortable ride, and stylish design. Fuel economy was a major selling point, consistently achieving impressive real-world figures. Compared to competitors like the Ford Mondeo and Volkswagen Passat, the Mazda 6 offered a more engaging driving experience and a more premium-feeling interior. However, some critics noted that the automatic transmission could occasionally feel hesitant, and the rear seat space was not as generous as some rivals. Reliability reports generally indicated good long-term dependability, although diesel particulate filter (DPF) maintenance was a consideration for owners primarily driving short distances.
Legacy
The 2.2 SKYACTIV-D engine proved to be a robust and reliable powerplant, capable of high mileage with proper maintenance. The combination of the engine and automatic transmission remains a popular choice in the used car market, particularly for buyers seeking a fuel-efficient and comfortable family sedan. While modern diesel technology has evolved, the 2015-2017 Mazda 6 2.2 SKYACTIV-D Automatic continues to represent a well-rounded and appealing option for those seeking a practical and enjoyable driving experience. The i-ELOOP system, while not a full hybrid, demonstrated Mazda’s commitment to improving fuel efficiency and reducing emissions.


