HSV W427: Full specs and pics

Need to know everything about the new W427? You ask, we deliver...

HSV is commencing deliveries of the most expensive car the specialist manufacturer has ever built. The new 7.0-litre sedan represents a marked departure from the standard specification of HSV models and also a procedural change to the way the company builds its cars.

For the full run-down of the W427's specs, see below -- and check out our complete gallery of media images supplied by HSV.

Engine and Transmission

375kW, 7.0 litre LS7 V8 engine with specific HSV calibration
6-speed manual TR6060 high strength transmission
LS7 Clutch with new actuator and pedal assembly for high clamp loads
High strength Limited Slip Differential
Ceramic coated, high flow 4 into 1 extractors
High flow catalytic converters and exhaust system (3" into 2¾")
Over radiator style cold air induction system -- with high flow air filter
Dry sump lubrication system with 2-stage pump
Hand-fabricated aluminium oil reservoir
Front mount, 13 row engine oil cooler
Control and Handling Electronic Stability Control incorporating:
- Anti-lock Braking System (ABS)
- Electronic Brake force Distribution (EBD)
- Electronic Brake Assist (EBA)
- Traction Control System (TCS)

Linear Control Suspension

All new MRC calibration to suit new springs, ride height and bushing
Revised ride height -- lower than GTS
Unique W427 spring rate
Unique W427 stiffer rear suspension bushing
Brakes 6 piston front braking system
2-piece floating front rotors (380 x 35mm)
High friction pad material

Wheels

Unique W427 alloy wheels
20" x 8" front alloy wheel with 245/35 R20 95Y tyre
20" x 9.5" rear alloy wheel with 275/30 R20 97Y tyre
Full size spare wheel and tyre (as per front wheel and tyre)

Exterior

Front Driving lamps
Projector headlamps
3 piece rear spoiler in carbon fibre
Unique W427 front fascia
Quad exhaust outlet with active bi-modal rear mufflers
Metallic Paint

Driver

Steering wheel height and reach adjust
HSV unique Sports steering wheel in red Leather wrap
Multi function steering wheel, featuring illuminated controls for:
- Sound system
- Trip computer
- Bluetooth phone
- Satellite navigation (where fitted)
Multi function driver display, featuring:
- Trip computer information
- Sound system information
Priority key. Stores settings for:
- Climate control
- Sound system
- Trip computer
- Speed alert
- Headlamp and interior lighting time delay options
Alloy faced pedals
Leather wrap gear selector in Red Hot
Cruise Control
Rear Park Assist
Power exterior mirrors
Road speed dependent intermittent wipers
Automatic headlamp mode -- switches on at twilight or low light.
Headlamps auto-off feature. (Variable delay)
Trip computer with triple display, including:
- Average speed
- Odometer/Tripmeter/Trip time
- Distance/Time to go
- Average fuel consumption
- Digital speedometer
- Tracks two trips simultaneously (eg. Short day trip within long interstate trip)
- Fuel used/range
- Visual and audible speed warning
Service reminder -- appears 1,000km before service is due
HSV sports instrument cluster
Tachometer
HSV sports triple center gauges (Voltage, Oil Temp. and Oil Pressure)
Sound system able to accommodate mobile phone kit -- auto mute when phone is in use
Bluetooth mobile phone connectivity
Optional satellite navigation
Entertainment Blaupunkt AM/FM stereo
six-disc in-dash CD player -- MP3 Compatible
Optional rear seat overhead DVD system
Eleven speakers including subwoofers. 230 watts
Speed-dependent volume control

Seating

Performance leather seats in full red trim with W427 logo
eight-way electric adjustment on driver and front passenger seats
Adjustable driver and front passenger seat lumbar support

Cabin Comfort

Dual-zone electronic climate control: driver and front passenger
6.5" multi-function display colour LCD screen -- displays stereo, heating and air conditioning
Power windows, driver and front passenger
Optional Electric tilt and slide sunroof
Front centre sliding armrest with red leather trim
Vanity mirror, driver and front passenger -- illuminated with cover
Sunglasses holder
Satin Chrome finish interior door handles
Passenger overhead assist handles
Two front reading lamps
Storage and Cargo Twin cup holders in centre console
Centre console storage compartment
Auxiliary power socket in console

Occupant Safety

Dual-stage airbags for driver and front passenger
Driver and Passenger side airbags
Curtain airbags
Front lap/sash seat belts with load limiters and pyrotechnic pre-tensioners
Front seatbelt sash -- height adjustable
Active front seat head restraints to help reduce risk of whiplash injury in a collision from behind
Security Remote control priority key:
- Operates central locking
- Operates interior lighting -- time delay on entry, automatic illumination when engine turned off
- Operates exterior lamps, to show location of car at night
- Enables/disables alarm system
Horn sounds if either front door is ajar when remote locking
Sound system only operates in original vehicle.
Flip Key
Road Safety Emergency mode after seat belt pre-tensioners are triggered -- on-board computer turns engine and fuel pump off, unlocks doors, turns hazard lights and interior lamp on

Exterior Paint

Heron
Sting Red
Nitrate
Phantom
Evoke

Engine

375 kW 7.0 litre LS7 V8 with specific HSV calibration.
7.0L, 90 Degree OHV. Cross Flow cylinder heads. Twin knock control sensors. On-board diagnostics.
Central Plenum with individual symmetrical runners
High energy distributorless ignition -- solid state direct-fire ignition, coil near plug with integrated igniter.
Capacity (cc) 7008
Compression Ratio (:1) 11.0
Power (DIN kW) 375kW* @ 6500rpm
Torque (DIN Nm) 640Nm* @ 5000rpm
Exhaust system Stainless steel, Ceramic coated high flow 4 into 1 extractors, High flow catalytic converters and exhaust system (3" into 2 ¾") and high performance quad outlet with bi-modal mufflers.

Gear ratios

six-speed
1 3.01
2 2.07
3 1.43
4 1
5 0.84
6 0.57
Final Drive 3.7

Recommended petrol octane rating
98 RON PULP. Note that using 95RON (PULP) or lower will not cause any problems, but will result in slightly less engine performance and economy.

Fuel Economy: 17.2 l/100km*
Petrol tank capacity (L) 73

Cargo volume (L) 496
Approach and Departure angles Approach: 9.0 Departure: 15.1

Vehicle Dynamic Control (VDC) incorporating Electronic Stability Program ESP®, Anti-Lock Braking System (ABS), Electronic Brake force Distribution (EBD), Electronic Brake Assist (EBA), Traction Control System (TCS).

Suspension

Front: MacPherson strut, direct-acting stabilizer bar, progressive-rate coil springs.
Rear: Multi-Link independent rear suspension (IRS), progressive-rate coil springs, stabilizer bar.

Steering

Variable ratio rack and pinion

Exterior dimensions (mm)

Length: 4974
Width (excluding mirrors): 1899
Height: 1462
Wheel Base (mm): 2915
Track (mm)
Front: 1592
Rear: 1590
Turning Circle (kerb to kerb, m): 11.4

Interior design dimensions

Leg: 1071 (front) 1001 (rear)
Shoulder: 1501 (front) 1450 (rear)
Head: 985 (front) 965 (rear)
Hip: 1439 (front) 1472 (rear)

Kerb Weight: 1874kg
Towing: Not recommended
Service: The first inspection is due at 3,000km or 3 months (which ever occurs first).
Pricing $155,500

* Figure quoted using 98 RON (PULP)

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HSV W427: Full specs and pics

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