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20498
WRX & WRX STI
2018

WRX & WRX STI

2018
Build & Price Model Comparison
Features & Benefits
Engineering
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Unrivalled engineering,

uncontested control

Unrivalled engineering, uncontested control

The 2018 Subaru WRX and WRX STI are purebred performance cars enabled by some of the most advanced automotive technologies the world has to offer, including Subaru symmetrical full-time AWD (for superior control) and the SUBARU BOXER engine (for dynamic response.) These advances have been placed in a super-strong chassis and are supported by a rally-honed fully independent suspension system to ensure unmatched cornering capability, precision and stability on any type of road surface, under all possible conditions.

The spine-tingling SUBARU BOXER

The Subaru WRX features a turbocharged, direct-injection 2.0L 4-cylinder SUBARU BOXER that balances potent performance with optimal fuel efficiency. The twin-scroll turbocharger sees peak torque arrive at 2000 rpm and creates a long, flat torque curve for crisp response and striking driveability, making everyday driving much more exciting. The Subaru WRX STI benefits from a turbocharged 2.5L 4-cylinder SUBARU BOXER, which creates raw power fused with complete poise, on the road and on the track. Both versions of the turbocharged SUBARU BOXER incorporate a high-efficiency intercooler for reliable performance and both benefit from the inherently smooth operation of the horizontally opposed configuration.

The spine-tingling SUBARU BOXER
2018 Subaru WRX 2.0L 4-cylinder SUBARU BOXER

WRX

Twin-Scroll Turbocharged

2.0L 4-cylinder (Direct injection)

Dual Overhead Cam

268 hp @ 5600 rpm

258 lb-ft @ 2000-5200 rpm

Dual Active Valve Control System

Meets LEV2 standards

Fuel Economy

Manual Transmission (6MT)

11.3/8.5

City / Hwy

(L/100 km)

25/33

City / Hwy

(Imperial MPG)

Fuel Economy

Sport LineartronicTM Transmission (Automatic)

12.6/9.6

City / Hwy

(L/100 km)

22/29

City / Hwy

(Imperial MPG)

2018 Subaru WRX 2.0L 4-cylinder SUBARU BOXER

WRX STI

High-Performance Turbocharged

2.5L 4-cylinder

Dual Overhead Cam

305 hp @ 6000 rpm

290 lb-ft @ 4000 rpm

Dual Active Valve Control System

Meets LEV2 standards

Fuel Economy

Close-Ratio Manual Transmission (6MT)

14.1/10.5

City / Hwy

(L/100 km)

20/27

City / Hwy

(Imperial MPG)

2018 WRX and WRX STI and the WRX SI-DRIVE
2018 WRX and WRX STI and the WRX SI-DRIVE

Standard on the Subaru WRX STI and the WRX equipped with the Sport LineartronicTM automatic transmission, the SI-DRIVE engine management system puts control over performance at the driver's fingertips. With three different driver-selectable modes ranging from the most efficient to the most responsive, SI-DRIVE brings new levels of flexibility to the driving experience.

Transmissions + Symmetrical AWD

The manual transmissions fitted to the WRX and WRX STI are designed to work with different versions of the legendary Subaru symmetrical full-time AWD system to create optimum response to a full range of driving conditions. The WRX is also available with a Sport LineatronicTM automatic transmission that is linked to an AWD system designed for sportier handling, delivering the perfect blend of control, performance and fuel-efficiency.

2018 WRX and WRX STI Transmissions and symmetrical AWD
2018 WRX and WRX STI 6-Speed Manual Viscous-Coupling Centre Differential AWD

6-Speed Manual + Viscous-coupling Centre Differential AWD

The 6-speed manual transmission in the WRX is linked to a viscous-coupling limited-slip centre differential AWD system that delivers near-neutral handling and maximum control. This short-throw transmission and the clutch have been refined for a more solid and smoother feel. These characteristics combine to create a sportier, more direct connection between the driver and the car, and the car and the road.

Sport LineartronicTM CVT + Variable Torque Distribution AWD

Exclusive to the WRX, the efficiency-enhancing Sport LineartronicTM automatic transmission is paired with a variable torque distribution (VTD) AWD system that sends slightly more power to the back wheels than the front, creating a sporty driving feel. The transmission also features a revised shift lever, an 8-step manual mode and paddle shifters. Linked to the driver-selectable SI-DRIVE engine management system for increased control, this transmission delivers superior performance and superior efficiency, all in one.

Sport Lineartronic CVT Variable Torque Distribution
6-Speed Manual + Driver Controlled Centre Differential AWD

6-Speed Manual + Driver Controlled Centre Differential AWD

The WRX STI features a reinforced, close-ratio, 6-speed manual transmission linked to the latest version of Driver Controlled Centre Differential (DCCD), a proprietary design that is completely unique to the industry. Now electronically controlled for optimum steering and handling, the DCCD allows the driver to adjust the centre differential locking through three different modes and customize the torque sent to the front and rear wheels to suit the mood or the conditions.

Super-strong, performance-tuned chassis

Years of heated competition, extensive testing, and advances in materials and engineering have inspired a revolutionary chassis design for the WRX and WRX STI. The overriding goal was to create a super-strong chassis with exceptional stability and lightning-quick response, so high-tensile steel was used throughout to increase torsional rigidity and reduce vehicle weight. These characteristics allow the long-travel, fully independent suspension system and electric power steering to create superior handling and response under all possible conditions.

 
2018 WRX and WRX STI Super-strong, performance-tuned chassis

Front Suspension

The MacPherson strut-type front suspension from Subaru is more rigid than conventional strut systems, as a result, delivers superior handling overall. The WRX and STI pairing take this even further with stiffer stabilizers, higher spring rates, and performance tuning that expertly balance stiffness and compliance. For the new model year, the damping force of the struts and the rebound rate for the coil springs have both been revised to create improved stability, response and feedback to the driver. The WRX Sport-tech and all versions of the WRX STI also feature inverted struts to accommodate the larger 18-inch and new 19-inch wheels. The inverted strut configuration is designed to keep heavier suspension components mounted to the chassis, reducing unsprung weight and allowing the lighter moving parts to move more freely. This makes for quicker suspension response and vastly improved performance on rough roads and when cornering.

Rear Suspension

The double-wishbone rear suspension system has been designed and tuned to provide a more stable, smoother and more planted feel, especially in the corners. This design offers more control over the degree to which the rear wheels tilt in and out when cornering, so it helps maintain maximum tire contact with the road at all times - even when the road is not cooperating. The double-wishbone also helps reduce body roll and understeer, creating a more controlled and more enjoyable driving experience overall. This design is also flatter and more compact than other rear suspension system designs, so the components don't intrude into the cargo area, thereby freeing up more space for storage. The double-wishbone rear suspension and the MacPherson strut-type front suspension work in conjunction to create unparalleled handling, control and confidence behind the wheel.

Mechanical Specifications

WRX & WRX STI
2018
MSRP
&Range=WRX & WRX STI&ModelYear=2018
1
standardaccessorynot availableoptional
9
WRX
WRX
Sport
WRX
Sport-tech
WRX
Sport-tech
with Optional RS Package
WRX
Sport-tech
with optional EyeSight® Package
WRX STI
WRX STI
Sport
WRX STI
Sport-tech
with Wing Spoiler
WRX STI
Sport-tech
with Lip Spoiler
Chassis
1
False
Brakes (front): Ventilated discs (316 x 24 mm), dual-piston calipers
Brakes (front): Ventilated discs (340 x 30 mm), six-piston calipers
Brakes (rear): Solid discs (286 x 10 mm), single-piston calipers
Brakes (rear): Ventilated discs (326 x 20 mm), dual-piston calipers
Brakes: ABS, 4-channel/4-sensor/4-wheel
Brakes: Active Torque Vectoring
Brakes: Brake Assist
Brakes: Brembo® high-performance brake system with cross-drilled rotors
Brakes: Electronic Brake-force Distribution (EBD)
Brakes: Jurid performance brake pads
Brakes: Power-assisted, dual-diagonal system
Brakes: Super Sport ABS 4-channel/4-sensor/4-wheel and g-load sensor
Parking brake: Electronic
Steering: Engine-speed-sensitive, quick-ratio power-assisted rack and pinion
Steering: Engine-speed-sensitive, rack-and-pinion with electric power assist
Structure: Advanced ring-shaped reinforcement frame
Structure: Dual, side-impact door beams (front and rear)
Structure: Energy-absorbing crumple zones (front and rear)
Suspension (front): MacPherson inverted KYB struts with forged aluminum lower suspension arm
Suspension (front): MacPherson strut with aluminum lower suspension arm with pillow ball mounts and bushings
Suspension (rear): Double-wishbone
Suspension: 4-wheel fully independent
Suspension: Performance-tuned
Suspension: Stabilizer bar (front and rear)
Suspension: STI performance-tuned
Engine
1
False
Emissions: Meets Low Emission Vehicle (LEV2) standards
Engine mounts: High-strength solid rubber
Engine mounts: Liquid-filled rubber
Engine oil cooler
Engine: 2.0L Dual Overhead Cam (DOHC), 16-valve, horizontally opposed, 4-cylinder SUBARU BOXER engine with twin-scroll turbocharger and intercooler, Electronic Throttle Control and Dual Active Valve Control System with direct injection
Engine: 2.5L Dual Overhead Cam (DOHC), 16-valve, horizontally opposed, 4-cylinder SUBARU BOXER high-performance engine with high-pressure turbocharger and high-capacity intercooler, Electronic Throttle Control and Dual Active Valve Control System
Engine: Red powder-coated intake manifold
Fuel injection: Direct Gasoline Injection
Fuel injection: Sequential multiport
Ignition system: Direct
Intercooler
Intercooler: High capacity
Power: 268 hp @ 5,600 RPM
Power: 305 hp @ 6000 rpm
SI-DRIVE (Subaru Intelligent Drive) engine management system
Spark plugs: Iridium-tipped
Torque: 258 lb-ft @ 2,000-5,200 rpm
Torque: 290 lb-ft @ 4000 rpm
Transmission and Drivetrain
1
False
6-speed close ratio Manual Transmission (6MT) with Hill Holder system
  • Standard flywheel
  • Fully synchronized, including reverse
  • Hydraulically operated, dry single plate disc clutch
  • Subaru symmetrical full-time All-Wheel Drive system: Multi-mode Driver Controlled Centre Differential (DCCD) and electronic limited-slip differential
6-speed Manual Transmission (6MT)
  • Hill Holder system
  • Fully synchronized, including reverse
  • Subaru symmetrical full-time All-Wheel Drive system: Viscous-coupling limited-slip centre differential
Sport Lineartronic® transmission with manual mode (6 & 8-speed)
  • Lock-up torque converter
  • Paddle shifters
  • Transmission modes: Normal, Manual Mode
  • Transmission shift lock
  • SI-DRIVE
  • Subaru symmetrical full-time All-Wheel Drive system: Electronically controlled multi-plate transfer clutch
Differential (front): Helical-type limited-slip
Differential (rear): Shot-peen open type
Differential (rear): TORSEN® limited-slip
WRX WRX
Sport
WRX
Sport-tech
WRX
Sport-tech
with Optional RS Package
WRX
Sport-tech
with optional EyeSight® Package
WRX STI WRX STI
Sport
WRX STI
Sport-tech
with Wing Spoiler
WRX STI
Sport-tech
with Lip Spoiler
$29,995JY1W0 $33,195JY1WS $36,495JY1WST $38,795JY1WSR $39,095JY2WSE $39,495JY1S0 $41,795JY1SS $46,595JY1STW $46,595JY1STL
MSRP
MSRP
MSRP
MSRP
MSRP
MSRP
MSRP
MSRP
MSRP
Compare
View All
Chassis
standardaccessorynot availableoptional
Brakes (front): Ventilated discs (316 x 24 mm), dual-piston calipers
Brakes (front): Ventilated discs (340 x 30 mm), six-piston calipers
Brakes (rear): Solid discs (286 x 10 mm), single-piston calipers
Brakes (rear): Ventilated discs (326 x 20 mm), dual-piston calipers
Brakes: ABS, 4-channel/4-sensor/4-wheel
Brakes: Active Torque Vectoring
Brakes: Brake Assist
Brakes: Brembo® high-performance brake system with cross-drilled rotors
Brakes: Electronic Brake-force Distribution (EBD)
Brakes: Jurid performance brake pads
Brakes: Power-assisted, dual-diagonal system
Brakes: Super Sport ABS 4-channel/4-sensor/4-wheel and g-load sensor
Parking brake: Electronic
Steering: Engine-speed-sensitive, quick-ratio power-assisted rack and pinion
Steering: Engine-speed-sensitive, rack-and-pinion with electric power assist
Structure: Advanced ring-shaped reinforcement frame
Structure: Dual, side-impact door beams (front and rear)
Structure: Energy-absorbing crumple zones (front and rear)
Suspension (front): MacPherson inverted KYB struts with forged aluminum lower suspension arm
Suspension (front): MacPherson strut with aluminum lower suspension arm with pillow ball mounts and bushings
Suspension (rear): Double-wishbone
Suspension: 4-wheel fully independent
Suspension: Performance-tuned
Suspension: Stabilizer bar (front and rear)
Suspension: STI performance-tuned
Engine
standardaccessorynot availableoptional
Emissions: Meets Low Emission Vehicle (LEV2) standards
Engine mounts: High-strength solid rubber
Engine mounts: Liquid-filled rubber
Engine oil cooler
Engine: 2.0L Dual Overhead Cam (DOHC), 16-valve, horizontally opposed, 4-cylinder SUBARU BOXER engine with twin-scroll turbocharger and intercooler, Electronic Throttle Control and Dual Active Valve Control System with direct injection
Engine: 2.5L Dual Overhead Cam (DOHC), 16-valve, horizontally opposed, 4-cylinder SUBARU BOXER high-performance engine with high-pressure turbocharger and high-capacity intercooler, Electronic Throttle Control and Dual Active Valve Control System
Engine: Red powder-coated intake manifold
Fuel injection: Direct Gasoline Injection
Fuel injection: Sequential multiport
Ignition system: Direct
Intercooler
Intercooler: High capacity
Power: 268 hp @ 5,600 RPM
Power: 305 hp @ 6000 rpm
SI-DRIVE (Subaru Intelligent Drive) engine management system
Spark plugs: Iridium-tipped
Torque: 258 lb-ft @ 2,000-5,200 rpm
Torque: 290 lb-ft @ 4000 rpm
Transmission and Drivetrain
standardaccessorynot availableoptional
6-speed close ratio Manual Transmission (6MT) with Hill Holder system
  • Standard flywheel
  • Fully synchronized, including reverse
  • Hydraulically operated, dry single plate disc clutch
  • Subaru symmetrical full-time All-Wheel Drive system: Multi-mode Driver Controlled Centre Differential (DCCD) and electronic limited-slip differential
6-speed Manual Transmission (6MT)
  • Hill Holder system
  • Fully synchronized, including reverse
  • Subaru symmetrical full-time All-Wheel Drive system: Viscous-coupling limited-slip centre differential
Sport Lineartronic® transmission with manual mode (6 & 8-speed)
  • Lock-up torque converter
  • Paddle shifters
  • Transmission modes: Normal, Manual Mode
  • Transmission shift lock
  • SI-DRIVE
  • Subaru symmetrical full-time All-Wheel Drive system: Electronically controlled multi-plate transfer clutch
Differential (front): Helical-type limited-slip
Differential (rear): Shot-peen open type
Differential (rear): TORSEN® limited-slip
SITEPULSE-