The Mazda 6 III Sport Combi (GJ series, post-facelift 2015) 2.2 SKYACTIV-D 175 hp variant represents a significant offering in the mid-size wagon segment. Produced from 2015 to 2017, this model combined Mazda’s signature driving dynamics with a fuel-efficient diesel powertrain and the innovative i-ELOOP energy recovery system. Positioned as a mid-range to upper-mid-range trim within the broader Mazda 6 lineup, it catered to buyers seeking a balance of performance, economy, and practicality in a stylish package. The GJ facelift brought revised styling, improved interior materials, and enhanced technology compared to the pre-facelift models.
Technical Specifications
| Brand | Mazda |
| Model | 6 |
| Generation | 6 III Sport Combi (GJ, facelift 2015) |
| Type (Engine) | 2.2 SKYACTIV-D (175 Hp) i-ELOOP |
| Start of production | 2015 |
| End of production | 2017 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Station wagon (estate) |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 5.7 l/100 km (41.3 US mpg, 49.6 UK mpg, 17.5 km/l) |
| Fuel consumption (extra urban) | 4 l/100 km (58.8 US mpg, 70.6 UK mpg, 25 km/l) |
| Fuel consumption (combined) | 4.6 l/100 km (51.1 US mpg, 61.4 UK mpg, 21.7 km/l) |
| CO2 emissions | 121 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 8 sec |
| Acceleration 0 – 62 mph | 8 sec |
| Acceleration 0 – 60 mph | 7.6 sec |
| Maximum speed | 221 km/h (137.32 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 8.5 kg/Hp, 117.8 Hp/tonne |
| Weight-to-torque ratio | 3.5 kg/Nm, 282.8 Nm/tonne |
| Power | 175 Hp @ 4500 rpm |
| Torque | 420 Nm @ 2000 rpm (309.78 lb.-ft. @ 2000 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 | 8.5 l (8.98 US qt | 7.48 UK qt) |
| Kerb Weight | 1485-1602 kg (3273.86 – 3531.81 lbs.) |
| Max. weight | 2090 kg (4607.66 lbs.) |
| Max load | 488-605 kg (1075.86 – 1333.8 lbs.) |
| Trunk (boot) space – minimum | 522 l (18.43 cu. ft.) |
| Trunk (boot) space – maximum | 1664 l (58.76 cu. ft.) |
| Fuel tank capacity | 62 l (16.38 US gal | 13.64 UK gal) |
| Max. roof load | 100 kg (220.46 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 | 4805 mm (189.17 in.) |
| Width | 1840 mm (72.44 in.) |
| Height | 1480 mm (58.27 in.) |
| Wheelbase | 2750 mm (108.27 in.) |
| Minimum turning circle | 11 m (36.09 ft.) |
| Drivetrain | Front wheel drive |
| Number of gears | 6 |
| Gearbox type | Manual transmission |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
INTRODUCTION
The Mazda 6 III Sport Combi 2.2 SKYACTIV-D 175 hp, produced from 2015-2017, is a front-wheel-drive station wagon that formed part of the GJ series, representing the third generation of the Mazda 6. This variant was particularly popular in European markets where wagons are highly favored, offering a practical and stylish alternative to SUVs. The facelift in 2015 brought subtle but significant improvements to the exterior design, interior quality, and refinement. The 2.2-liter SKYACTIV-D engine, coupled with the i-ELOOP system, aimed to deliver a compelling blend of performance and fuel efficiency. This trim level sat comfortably in the middle of the range, offering more power and refinement than the lower-spec models while remaining more accessible than the flagship trims.
Powertrain & Engine Architecture
At the heart of this Mazda 6 variant lies the SHY4 2.2-liter SKYACTIV-D four-cylinder diesel engine. This engine is characterized by its high compression ratio of 14:1, achieved through advanced combustion control and optimized piston design. The engine utilizes a twin-turbocharger setup – a small turbo for immediate response and a larger turbo for sustained power delivery. An intercooler further enhances performance by cooling the intake air. Fuel is delivered via a common-rail direct injection system, ensuring precise fuel metering and efficient combustion. The i-ELOOP system, Mazda’s mild hybrid technology, recovers kinetic energy during deceleration and stores it in a capacitor, providing a boost during acceleration and reducing the load on the engine. The engine is transversely mounted, driving the front wheels through a six-speed manual transmission. This transmission is known for its precise shift feel and well-chosen gear ratios.
Driving Characteristics
The 175 hp SKYACTIV-D engine provides a good balance of power and torque, making the Mazda 6 Sport Combi a capable and enjoyable vehicle to drive. The 420 Nm (309.78 lb-ft) of torque, available from 2000 rpm, provides strong acceleration in everyday driving situations. While not as overtly sporty as some of its rivals, the Mazda 6 offers a refined and engaging driving experience. The six-speed manual transmission allows for precise control, and the gear ratios are well-matched to the engine’s powerband. Compared to the lower-powered 1.5-liter diesel variants, this 2.2-liter engine offers significantly more performance, particularly when fully loaded or tackling uphill climbs. It also feels more relaxed on the highway, with ample power for overtaking. Compared to higher-output diesel versions, the 175 hp model offers a slightly more economical driving experience without sacrificing too much performance.
Equipment & Trim Levels
The 2.2 SKYACTIV-D 175 hp variant typically came equipped with a generous level of standard features. These included alloy wheels, automatic climate control, a touchscreen infotainment system with Bluetooth connectivity, and a suite of safety features such as ABS, ESP, and multiple airbags. Higher trim levels within this engine range offered additional features such as leather upholstery, a premium sound system, navigation, and advanced driver-assistance systems like lane departure warning and adaptive cruise control. Interior upholstery was typically a combination of cloth and leatherette, with a focus on comfort and durability. The dashboard layout was clean and modern, with a driver-focused design.
Chassis & Braking
The Mazda 6 Sport Combi features a MacPherson strut front suspension and a multi-link rear suspension, providing a comfortable yet controlled ride. Stabilizer bars are fitted to both axles to reduce body roll during cornering. The braking system consists of ventilated discs on the front wheels and solid discs on the rear. ABS (Anti-lock Braking System) and EBD (Electronic Brakeforce Distribution) are standard features, ensuring safe and effective braking performance. The suspension tuning is geared towards providing a balance between comfort and handling, making the car enjoyable to drive on a variety of road surfaces.
Market Reception & Comparison
The Mazda 6 III Sport Combi 2.2 SKYACTIV-D 175 hp was generally well-received by automotive critics. It was praised for its stylish design, refined driving experience, and fuel efficiency. The i-ELOOP system was also noted as a clever innovation. Compared to rivals such as the Ford Mondeo, Volkswagen Passat, and Peugeot 508, the Mazda 6 offered a more engaging driving experience and a more premium interior feel. Fuel economy was competitive, and the engine proved to be reliable. However, some critics noted that the rear passenger space was slightly less generous than some of its competitors.
Legacy
The 2.2 SKYACTIV-D engine has proven to be a robust and reliable powertrain. While diesel engines, in general, have faced increased scrutiny in recent years, the SKYACTIV-D engines have a good reputation for longevity and relatively low maintenance costs. On the used car market, the Mazda 6 III Sport Combi 2.2 SKYACTIV-D 175 hp remains a popular choice, offering a compelling combination of practicality, style, and efficiency. Regular maintenance, including oil changes and filter replacements, is crucial to ensure the continued reliability of this powertrain. The i-ELOOP system, while adding complexity, has also proven to be durable and contributes to the car’s overall fuel efficiency.
