The Mazda 6 III Sedan (GJ series), particularly the facelifted version introduced in 2018, represented Mazda’s continued refinement of the mid-size sedan. The 2.2 SKYACTIV-D variant, producing 184 horsepower and paired with the SKYACTIV-Drive six-speed automatic transmission, was a key offering in European and Asian markets, though less common in the United States. Production of this specific configuration began in 2018 and continued through the later years of the GJ generation. This model aimed to balance fuel efficiency, respectable performance, and a premium driving experience within the competitive D-segment.
Technical Specifications
| Brand | Mazda |
| Model | 6 |
| Generation | 6 III Sedan (GJ, facelift 2018) |
| Type (Engine) | 2.2 SKYACTIV-D (184 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 | 9 sec |
| Acceleration 0 – 62 mph | 9 sec |
| Acceleration 0 – 60 mph | 8.6 sec |
| Maximum speed | 220 km/h (136.7 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 8.5 kg/Hp, 117.9 Hp/tonne |
| Weight-to-torque ratio | 3.5 kg/Nm, 285.1 Nm/tonne |
| Power | 184 Hp @ 4000 rpm |
| Power per litre | 84 Hp/l |
| Torque | 445 Nm @ 2000 rpm (328.22 lb.-ft. @ 2000 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 | 8.5 l (8.98 US qt | 7.48 UK qt) |
| Kerb Weight | 1561-1628 kg (3441.42 – 3589.13 lbs.) |
| Max. weight | 2200 kg (4850.17 lbs.) |
| Max load | 572-639 kg (1261.04 – 1408.75 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 |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
Powertrain & Engine Architecture
The heart of this Mazda 6 variant is the SHY8 2.2-liter four-cylinder diesel engine. This engine is a member of Mazda’s SKYACTIV-D family, known for its high compression ratio (14.4:1) and innovative combustion technology. The engine utilizes a two-stage turbocharging system (bi-turbo) with an intercooler, allowing for both strong low-end torque and sustained power at higher RPMs. Fuel is delivered via a common-rail direct injection system, optimizing combustion efficiency and reducing emissions. The SKYACTIV-Drive six-speed automatic transmission is specifically tuned for smooth shifts and efficient operation, featuring a torque converter lock-up clutch to minimize slippage and improve fuel economy. This transmission differs from conventional automatics in its quicker shift times and more direct feel.
Driving Characteristics
The 184 horsepower and 445 Nm (328 lb-ft) of torque provided by the 2.2 SKYACTIV-D engine, coupled with the six-speed automatic, delivered a comfortable and capable driving experience. Acceleration from 0-100 km/h (0-62 mph) took approximately 9 seconds. While not a sports car, the engine provided ample power for highway cruising and overtaking maneuvers. The automatic transmission, while smooth, wasn’t as engaging as a manual gearbox, but its programming prioritized fuel efficiency. Compared to the lower-powered 2.0-liter gasoline engines offered in the Mazda 6 range, the 2.2 SKYACTIV-D offered significantly more torque, resulting in stronger acceleration, particularly at lower speeds. Compared to higher-output diesel variants, this 184 hp version offered a balance between performance and economy, making it a popular choice for drivers prioritizing fuel efficiency.
Equipment & Trim Levels
The 2.2 SKYACTIV-D 184 hp automatic typically occupied a mid-range position within the Mazda 6 lineup. Standard equipment often included features like automatic climate control, a touchscreen infotainment system with navigation, Bluetooth connectivity, and a suite of safety features such as ABS, stability control, and multiple airbags. Interior upholstery was typically cloth or a combination of cloth and leatherette, depending on the specific trim level. Optional extras could include leather seats, a sunroof, a premium sound system, and advanced driver-assistance systems like adaptive cruise control and lane departure warning.
Chassis & Braking
The Mazda 6 GJ series utilized a front-wheel-drive platform with MacPherson strut front suspension and a multi-link rear suspension. This setup provided a good balance between ride comfort and handling. The 2.2 SKYACTIV-D models typically featured ventilated front disc brakes and solid rear disc brakes. The braking system was generally well-regarded for its stopping power and feel. Stabilizer bars were fitted to both the front and rear axles to reduce body roll during cornering.
Market Reception & Comparison
The Mazda 6 2.2 SKYACTIV-D with the SKYACTIV-Drive automatic received generally positive reviews from automotive critics. It was praised for its fuel efficiency, comfortable ride, and refined interior. However, some critics noted that the automatic transmission could feel slightly hesitant at times. Compared to other diesel-powered sedans in its class, the Mazda 6 offered a compelling combination of performance, economy, and value. Its fuel economy figures of around 5.1 l/100 km (46.1 US mpg) were competitive, and its reliability was generally considered to be good.
Legacy
The 2.2 SKYACTIV-D engine proved to be a durable and reliable powertrain. While diesel engines, in general, have faced increased scrutiny regarding emissions, the SKYACTIV-D technology helped to mitigate some of these concerns. In the used car market, Mazda 6 models equipped with this engine and transmission continue to be sought after by buyers looking for a fuel-efficient and comfortable mid-size sedan. Proper maintenance, including regular oil changes and adherence to recommended service intervals, is crucial for ensuring the long-term reliability of this powertrain. The SKYACTIV-D engine and SKYACTIV-Drive transmission represent a significant step forward in Mazda’s engineering efforts, showcasing their commitment to innovation and driving pleasure.


