The Mazda 3 IV Hatchback 2.5 SkyActiv-G (186 Hp) CDA represents a significant iteration in Mazda’s long-running compact car lineage. Produced from 2019 through August 2022, this variant occupied a key position within the fourth generation (BP) Mazda 3 range, which debuted at the 2018 Los Angeles Auto Show. Built on the 1HX platform, the fourth-generation Mazda 3 aimed to elevate the compact segment with a focus on sophisticated design, refined driving dynamics, and advanced technology. The 2.5-liter SkyActiv-G engine, paired with a six-speed manual transmission in this configuration, offered a balance of performance and efficiency, targeting drivers seeking a more engaging experience than the base engine options.
Technical Specifications
| Brand | Mazda |
| Model | 3 |
| Generation | IV Hatchback |
| Type (Engine) | 2.5 SkyActiv-G (186 Hp) CDA |
| Start of production | 2019 |
| End of production | August, 2022 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Hatchback |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 9.4 l/100 km (25 US mpg) |
| Fuel consumption (extra urban) | 6.7 l/100 km (35.1 US mpg) |
| Fuel Type | Petrol (Gasoline) |
| Power | 186 Hp @ 6000 rpm |
| Torque | 252 Nm @ 4000 rpm (185.87 lb.-ft. @ 4000 rpm) |
| Engine layout | Front, Transverse |
| Engine displacement | 2488 cm3 (151.83 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 89 mm (3.5 in.) |
| Piston Stroke | 100 mm (3.94 in.) |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine oil capacity | 4.5 l (4.76 US qt | 3.96 UK qt) |
| Coolant capacity | 6.3 l (6.66 US qt | 5.54 UK qt) |
| Trunk (boot) space (minimum) | 569 l (20.09 cu. ft.) |
| Fuel tank capacity | 50 l (13.21 US gal | 11 UK gal) |
| Length | 4460 mm (175.59 in.) |
| Width | 1795 mm (70.67 in.) |
| Height | 1440 mm (56.69 in.) |
| Wheelbase | 2725 mm (107.28 in.) |
| Drivetrain | Front wheel drive |
| Number of gears | 6 |
| Gearbox type | Manual transmission |
| Tire size | 215/45 R18 |
| Wheel rim size | 18 |
Powertrain & Engine Architecture
At the heart of the Mazda 3 2.5 SkyActiv-G CDA lies the PY-VPS engine, a 2.5-liter inline-four cylinder gasoline engine. This engine is a cornerstone of Mazda’s SkyActiv technology, designed to maximize combustion efficiency. Key features include a high compression ratio (typically around 13:1), optimized intake port shapes, and a 4-2-1 exhaust system. Direct injection is employed to precisely control fuel delivery, enhancing both power and fuel economy. The engine utilizes a dual overhead camshaft (DOHC) valvetrain with four valves per cylinder, contributing to its responsive nature. The “CDA” designation refers to the specific calibration and emissions control setup for the North American market. The six-speed manual transmission provides a direct connection between the engine and the front wheels, offering drivers precise control over gear selection.
Driving Characteristics
The 186 horsepower and 185.87 lb-ft of torque delivered by the 2.5-liter SkyActiv-G engine, when paired with the six-speed manual, provide a noticeably more spirited driving experience compared to the base 2.0-liter engine. Acceleration is brisk, and the engine readily responds to throttle inputs. The manual transmission’s gear ratios are well-matched to the engine’s powerband, allowing for confident passing maneuvers and enjoyable driving on winding roads. While not a performance-focused variant, the 2.5-liter engine offers a satisfying level of performance for daily driving. Compared to automatic transmission equipped models, the manual provides a more engaging and connected feel, appealing to enthusiasts.
Equipment & Trim Levels
The 2.5 SkyActiv-G CDA variant was typically offered in higher trim levels, such as the Select, Preferred, and Premium trims. Standard features often included Mazda’s infotainment system with an 8-inch display screen, Apple CarPlay and Android Auto integration, LED headlights, and a suite of advanced safety features including adaptive cruise control, lane departure warning, and automatic emergency braking. Higher trims added features like leather upholstery, a Bose premium sound system, a power moonroof, and heated front seats. Interior upholstery typically consisted of cloth or leatherette, depending on the trim level. Dashboard configurations were consistent across the range, featuring a minimalist design with a focus on driver ergonomics.
Chassis & Braking
The Mazda 3 IV Hatchback utilizes a MacPherson strut front suspension and a multi-link rear suspension, providing a comfortable yet controlled ride. Stabilizer bars are fitted to both the front and rear axles to minimize body roll during cornering. Braking duties are handled by ventilated front disc brakes and solid rear disc brakes on most trims. The braking system is augmented by ABS (Anti-lock Braking System), Electronic Brake-force Distribution (EBD), and Brake Assist. The chassis is designed to be lightweight yet rigid, contributing to the car’s agile handling characteristics.
Market Reception & Comparison
Critics generally praised the Mazda 3 IV Hatchback for its sophisticated design, refined driving dynamics, and upscale interior. The 2.5-liter engine was lauded for its smooth power delivery and respectable fuel economy. Compared to competitors like the Honda Civic and Toyota Corolla, the Mazda 3 was often seen as offering a more premium driving experience. However, some reviewers noted that the rear seat space was somewhat limited. Fuel economy figures were competitive within the segment, typically achieving around 28 mpg combined. Reliability ratings have been generally positive, with owners reporting few major issues.
Legacy
The Mazda 3 IV Hatchback 2.5 SkyActiv-G CDA has established itself as a well-regarded compact car in the used car market. The SkyActiv-G engine has proven to be durable and reliable, with proper maintenance. The combination of performance, fuel efficiency, and refined driving dynamics continues to appeal to buyers seeking a more engaging and upscale compact car experience. As a result, well-maintained examples of this variant command reasonable resale values, reflecting its enduring appeal and reputation for quality.
