The Mazda 3 IV Sedan 2.5 SkyActiv-G (186 Hp) Skyactiv-Drive, produced from 2019 to August 2022, represents a significant iteration of Mazda’s popular compact sedan. Positioned as a mid-range offering within the fourth generation (BP) Mazda 3 lineup, this variant combined Mazda’s naturally aspirated 2.5-liter SkyActiv-G engine with their proprietary Skyactiv-Drive six-speed automatic transmission. It aimed to deliver a balance of performance, fuel efficiency, and refinement for the North American and global markets, where the Mazda 3 competed with vehicles like the Honda Civic, Toyota Corolla, and Hyundai Elantra. This model was a key part of Mazda’s strategy to elevate the driving experience in the compact segment, focusing on a more premium feel and engaging dynamics.
Technical Specifications
| Brand | Mazda |
| Model | 3 |
| Generation | IV Sedan |
| Type (Engine) | 2.5 SkyActiv-G (186 Hp) Skyactiv-Drive |
| Start of production | 2019 |
| End of production | August, 2022 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 9 l/100 km (26.1 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 | 374 l (13.21 cu. ft.) |
| Fuel tank capacity | 50 l (13.21 US gal | 11 UK gal) |
| Length | 4660 mm (183.46 in.) |
| Width | 1795 mm (70.67 in.) |
| Width including mirrors | 2028 mm (79.84 in.) |
| Height | 1440 mm (56.69 in.) |
| Wheelbase | 2725 mm (107.28 in.) |
| Drivetrain | Front wheel drive |
| Number of gears | 6 |
| Gearbox type | Automatic transmission |
| Tire size | 205/60 R16; 215/45 R18 |
| Wheel rim size | 16; 18 |
Powertrain & Engine Architecture
At the heart of the Mazda 3 2.5 SkyActiv-G is 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. It features a high compression ratio (typically around 13:1) for improved thermal efficiency, and direct injection to precisely control fuel delivery. The engine utilizes a sequential valve timing system, optimizing valve lift and timing for both low-end torque and high-end power. The SkyActiv-Drive automatic transmission is a six-speed unit with a unique torque converter design. Unlike traditional torque converters, the SkyActiv-Drive aims to provide a more direct and responsive feel, minimizing energy loss and improving fuel economy. It achieves this through a tighter lock-up clutch and optimized hydraulic control.
Driving Characteristics
The 186 horsepower and 185.87 lb-ft of torque produced by this combination provided adequate, though not exhilarating, performance. Acceleration from 0 to 60 mph typically took around 7.5 to 8.5 seconds. The SkyActiv-Drive transmission, while aiming for a sporty feel, prioritized smooth shifts and fuel efficiency over aggressive downshifts. Compared to the manual transmission option, the automatic offered slightly reduced responsiveness, but greater convenience for daily driving. The gear ratios were tuned for a balance between acceleration and highway cruising, with a relatively tall final drive to improve fuel economy. The engine delivered a linear power curve, making it predictable and easy to modulate, but lacking the punch of turbocharged competitors.
Equipment & Trim Levels
The 2.5 SkyActiv-G with Skyactiv-Drive was typically offered in mid-level trim packages, such as the Select, Preferred, and Premium trims. Standard features generally included Mazda’s infotainment system with a 8.8-inch display, Apple CarPlay and Android Auto integration, LED headlights, and a suite of safety features including automatic emergency braking, lane departure warning, and adaptive cruise control. Higher trims added features like leather upholstery, a Bose premium audio system, a power moonroof, and heated front seats. Interior upholstery was typically cloth on lower trims, upgrading to leatherette or genuine leather on higher trims. Dashboard configurations were consistent across trims, featuring a minimalist design with a focus on driver ergonomics.
Chassis & Braking
The Mazda 3 IV Sedan utilized a front-wheel-drive platform with a MacPherson strut front suspension and a multi-link rear suspension. The suspension tuning was geared towards providing a comfortable ride while maintaining responsive handling. Stabilizer bars were fitted to both the front and rear axles to reduce body roll during cornering. Braking systems varied slightly depending on trim level. Base models typically featured disc brakes on the front and drum brakes on the rear, while higher trims upgraded to disc brakes on all four wheels. Anti-lock braking system (ABS) was standard across all trims, along with electronic brake-force distribution (EBD) and brake assist.
Market Reception & Comparison
Critics generally praised the Mazda 3 IV Sedan for its refined interior, engaging driving dynamics, and stylish exterior design. However, the 2.5-liter engine and automatic transmission combination received mixed reviews. While the engine was considered smooth and efficient, some reviewers found it lacking in outright power compared to turbocharged rivals. The SkyActiv-Drive transmission was appreciated for its smoothness, but criticized for its occasionally hesitant responses. Fuel economy was competitive, typically achieving around 28-36 mpg combined, depending on driving conditions. Compared to the 2.0-liter base engine, the 2.5-liter offered a noticeable performance improvement. Compared to the diesel options available in Europe, the gasoline engine provided a different driving experience, prioritizing responsiveness over fuel efficiency.
Legacy
The 2.5 SkyActiv-G engine paired with the Skyactiv-Drive transmission has proven to be a relatively reliable powertrain. While some owners have reported minor issues with the transmission’s software or occasional rough shifting, major mechanical failures have been infrequent. The engine itself is known for its durability and longevity, provided it receives regular maintenance. In the used car market, this variant of the Mazda 3 IV Sedan holds its value reasonably well, thanks to Mazda’s reputation for quality and reliability. It remains a popular choice for buyers seeking a well-rounded and stylish compact sedan with a focus on driving enjoyment.
