The Mazda 6 III Sedan, specifically the facelifted model released in 2018, represented a significant evolution of Mazda’s mid-size offering. Within the GJ generation (2012-2022), the 2.2 SKYACTIV-D variant with 150 horsepower and the SKYACTIV-Drive automatic transmission occupied a key position as a fuel-efficient and refined option for buyers prioritizing comfort and economy over outright performance. Production of this configuration spanned from 2018 until the end of the GJ generation’s run, primarily targeting European and Asian markets where diesel engines remained popular. This model aimed to balance Mazda’s signature driving dynamics with the practicality expected of a family sedan.
Technical Specifications
| Brand | Mazda |
| Model | 6 |
| Generation | 6 III Sedan (GJ, facelift 2018) |
| Type (Engine) | 2.2 SKYACTIV-D (150 Hp) SKYACTIV-Drive |
| Start of production | 2018 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 5.9 l/100 km (39.9 US mpg, 47.9 UK mpg, 16.9 km/l) |
| Fuel consumption (extra urban) | 4.5 l/100 km (52.3 US mpg, 62.8 UK mpg, 22.2 km/l) |
| Fuel consumption (combined) | 5.1 l/100 km (46.1 US mpg, 55.4 UK mpg, 19.6 km/l) |
| CO2 emissions | 133 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 10.6 sec |
| Acceleration 0 – 62 mph | 10.6 sec |
| Acceleration 0 – 60 mph | 10.1 sec |
| Maximum speed | 205 km/h (127.38 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 10.3 kg/Hp, 96.8 Hp/tonne |
| Weight-to-torque ratio | 4.1 kg/Nm, 245.2 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 | SHY8 |
| 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 | 14.4:1 |
| 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 | 8.6 l (9.09 US qt | 7.57 UK qt) |
| Kerb Weight | 1550-1614 kg (3417.17 – 3558.26 lbs.) |
| Max. weight | 2172 kg (4788.44 lbs.) |
| Max load | 558-622 kg (1230.18 – 1371.28 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.) |
| Length | 4870 mm (191.73 in.) |
| Width | 1840 mm (72.44 in.) |
| Height | 1450 mm (57.09 in.) |
| Wheelbase | 2830 mm (111.42 in.) |
| Front track | 1585-1595 mm (62.4 – 62.8 in.) |
| Rear (Back) track | 1575-1585 mm (62.01 – 62.4 in.) |
| Ride height (ground clearance) | 165 mm (6.5 in.) |
| Minimum turning circle (turning diameter) | 11.2 m (36.75 ft.) |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the front wheels of the vehicle. |
| Drive wheel | Front wheel drive |
| Number of gears and type of gearbox | 6 gears, automatic transmission |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
Powertrain & Engine Architecture
At the heart of this Mazda 6 variant lies the SHY8 2.2-liter four-cylinder diesel engine. This engine is a key component of Mazda’s SKYACTIV technology, designed to maximize efficiency and reduce emissions. The engine features a high compression ratio of 14.4:1, enabled by Mazda’s precise fuel injection and combustion control. A twin-turbocharger setup (BiTurbo) provides a broad torque curve, delivering 380 Nm (280 lb-ft) between 1800 and 2600 rpm. The engine utilizes a common-rail direct injection system, optimizing fuel delivery for cleaner combustion. The SKYACTIV-Drive automatic transmission is a six-speed unit with a quick-shifting design. Unlike traditional torque-converter automatics, it employs a torque converter lock-up clutch more frequently, improving fuel economy and providing a more direct driving feel.
Driving Characteristics
The 150 hp diesel paired with the SKYACTIV-Drive automatic offered a comfortable and refined driving experience. Acceleration from 0-60 mph took around 10.1 seconds, making it adequate for everyday driving but not particularly sporty. The automatic transmission was programmed for fuel efficiency, resulting in smooth but sometimes hesitant shifts when pushed. The broad torque band of the diesel engine meant that strong pulling power was available from low engine speeds, making overtaking and highway cruising effortless. Compared to the higher-output 175 hp diesel or the gasoline-powered variants, this version prioritized fuel economy and relaxed cruising over outright performance. The gear ratios were tuned to keep the engine within its optimal torque range, further enhancing efficiency.
Equipment & Trim Levels
The 2.2 SKYACTIV-D 150 hp Automatic typically fell into the mid-range of the Mazda 6 lineup. Standard equipment often included features like 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 the base trims, with leather options available on higher-spec models. Dashboard configurations were consistent across the range, featuring a clean and modern design.
Chassis & Braking
The Mazda 6 GJ generation utilized a front-engine, front-wheel-drive layout. The suspension consisted of MacPherson struts at the front and multi-link suspension at the rear, providing a good balance between ride comfort and handling. Braking systems varied depending on the trim level, with lower trims often equipped with ventilated discs at the front and traditional drum brakes at the rear. Higher trims featured disc brakes on all four wheels. Stabilizer bars were standard front and rear, helping to reduce body roll during cornering. The steering system was an electric power steering setup, offering light and precise control.
Market Reception & Comparison
The 2.2 SKYACTIV-D 150 hp Automatic was generally well-received by automotive critics for its fuel efficiency and refined driving experience. It offered a compelling alternative to gasoline-powered rivals, particularly for drivers who covered long distances. Compared to the more powerful diesel variants, this version offered a lower price point and slightly better fuel economy. However, some critics noted that the acceleration was not as brisk as other options. Reliability proved to be generally good, with the SKYACTIV engines demonstrating a robust design.
Legacy
The 2.2 SKYACTIV-D engine, in its various iterations, has proven to be a reliable and durable powertrain. While diesel engines have faced increasing scrutiny in recent years, the Mazda 6’s diesel variants remain sought after in the used car market, particularly by those prioritizing fuel economy and long-distance comfort. The SKYACTIV-Drive automatic transmission also contributed to the model’s reputation for smoothness and efficiency. Proper maintenance, including regular oil changes and adherence to recommended service intervals, is crucial for ensuring the long-term reliability of this powertrain.
