Segment:
Compact Performance Hatchback
Usp:
Affordable, front-wheel-drive hot hatch with a powerful turbocharged engine and sporty handling.
Key Competitors:
Volkswagen GTI, Subaru WRX, Mitsubishi Lancer Ralliart, Honda Civic Si.
Performance Focus:
Designed for enthusiasts, emphasizing acceleration, cornering grip, and driver engagement.
Turbocharged Engine:
Direct-injection turbocharged 2.3L MZR DISI engine (errata: product states 2.0L, but 2007 Speed3 is 2.3L L3-VDT. Will proceed with 2.3L as the correct engine for the model year.)
Sport Tuned Suspension:
Stiffer springs, larger diameter sway bars, and performance-tuned dampers for enhanced handling.
Engine:
MZR DISI Turbo (L3-VDT), including fuel injection, ignition, turbocharging, emissions control, cooling, lubrication, and timing systems.
Transmission:
Manual Transmission (MZ-R), including clutch, gearbox, differential, and drive axles.
Brakes:
Hydraulic brake system, ABS, EBD, and traction control systems.
Suspension:
Front McPherson strut and rear multi-link suspension, including shock absorbers, springs, control arms, and anti-roll bars.
Steering:
Electric Power Assisted Steering (EPAS) system.
Electrical:
Complete vehicle electrical system, including wiring diagrams, fuses, relays, lighting, power windows, locks, and body control modules.
Body:
Exterior and interior body panels, doors, hood, trunk, glass, and trim components.
HVAC:
Heating, Ventilation, and Air Conditioning (HVAC) system.
Diagnostics:
Diagnostic trouble codes (DTCs), troubleshooting procedures, and component testing.
Maintenance:
Routine maintenance procedures, including oil changes, filter replacements, spark plug replacement, brake fluid flushes, and coolant changes.
Repair:
Detailed step-by-step repair procedures for all major vehicle systems, including engine overhaul, transmission rebuild, brake component replacement, and suspension work.
Troubleshooting:
Comprehensive troubleshooting guides for diagnosing and resolving common and complex mechanical and electrical issues.
Specifications:
Torque specifications for all fasteners, fluid capacities, and diagnostic parameters.
Wiring Diagrams:
Detailed electrical wiring diagrams for all vehicle systems.
Depth:
Comprehensive: Suitable for professional technicians and advanced DIY enthusiasts, covering from basic maintenance to complete engine and transmission rebuilds, including complex electrical diagnostics.
Engine Code:
L3-VDT (MZR DISI Turbo)
Displacement:
2261 cc (2.3 Liters)
Configuration:
Inline-4 Cylinder, DOHC, 16 Valves
Bore X Stroke:
87.5 mm x 94.0 mm
Horsepower:
263 hp @ 5500 rpm
Torque:
280 lb-ft @ 3000 rpm
Type:
Direct Injection Spark Ignition (DISI) with sequential multi-point fuel injection and turbocharging.
Fuel Type:
Premium Unleaded Gasoline (91 octane or higher recommended)
Turbocharger:
Mitsubishi TD04-15G Turbocharger with air-to-air intercooler.
Type:
6-Speed Manual Transmission (MZ-R)
Gear Ratios:
1st: 3.727, 2nd: 2.045, 3rd: 1.379, 4th: 1.065, 5th: 0.872, 6th: 0.756, Reverse: 3.400, Final Drive: 3.417
Type:
Not Available (Manual transmission only)
Limited Slip Differential:
Standard
Transmission Fluid:
Mazda Gear Oil SG1 or equivalent API GL-4 SAE 75W-90.
NHTSA Front Impact:
5 Stars (Driver and Passenger)
NHTSA Side Impact:
5 Stars (Front and Rear Passengers)
ABS:
Standard Anti-lock Braking System
Ebd:
Standard Electronic Brake-force Distribution
Traction Control:
Standard Dynamic Stability Control (DSC) and Traction Control System (TCS).
Airbags:
Front dual-stage airbags, front side-impact airbags, front and rear side-curtain airbags.
Seatbelts:
3-point front and rear seatbelts with pretensioners and load limiters.
Child Seats:
LATCH (Lower Anchors and Tethers for Children) system.
Oil Change:
Every 5,000 miles or 6 months, whichever comes first. Severe duty may require shorter intervals.
Engine Air Filter:
Inspect every 15,000 miles, replace as needed. Replace every 30,000 miles under normal conditions.
Cabin Air Filter:
Inspect every 15,000 miles, replace as needed. Replace every 30,000 miles under normal conditions.
Spark Plugs:
Replace every 45,000 miles (using correct NGK iridium plugs).
Coolant Flush:
First flush at 60,000 miles, then every 30,000 miles thereafter.
Brake Fluid Flush:
Every 2 years or 30,000 miles.
Transmission Fluid Change:
Inspect every 30,000 miles, change as needed or every 60,000 miles.
Engine Oil:
API SN or SP, ILSAC GF-5 or GF-6A, SAE 5W-30 (synthetic blend or full synthetic recommended for turbo engine).
Engine Oil Capacity:
4.9 US quarts (4.6 Liters) with filter change.
Coolant:
Mazda FL22 Long Life Antifreeze/Coolant (or equivalent HOAT).
Coolant Capacity:
7.1 US quarts (6.7 Liters)
Brake Fluid:
DOT 3 or DOT 4 brake fluid.
Power Steering Fluid:
Mazda Electronic Power Steering fluid (no hydraulic fluid required).
Carbon Buildup:
Direct-injection engines are prone to carbon buildup on intake valves. Requires periodic cleaning (e.g., walnut blasting).
Clutch Wear:
Aggressive driving can lead to premature clutch wear.
Engine Mounts:
Can degrade over time, leading to increased vibration.
Turbo Hose Cracks:
Turbocharger intake and boost hoses can develop cracks, leading to boost leaks.
Mazda Performance Focus:
Mazda has a long-standing reputation for building driver-focused cars with excellent handling, exemplified by models like the RX-7 and Miata.
Mazdaspeed Lineage:
The MazdaSpeed3 follows in the tradition of sport-tuned Mazdas, inheriting performance enhancements from Mazdaspeed engineering.
Production Years:
2007-2009 (First Generation)
Manufacturing Location:
Hiroshima, Japan