2015 TLX Body Structure Review Aron Madsen Principal Engineer Cabin Technical Expert Upper Body Design

Honda R&D Americas, Inc. Introduction Agenda Acura Vehicle Lineup

Sedan SUV History of the Acura TL

3rd Gen - 2004

2nd Gen - 2000

4th Gen - 2009

1st Gen - 1996 History of the Acura TL Sedan

5th Gen - 2015 History of the Acura TL Sedan

Honda of America Manufacturing, Inc. Honda R&D Americas, Inc. Vehicle Production Design, Development & Testing Marysville, Ohio Raymond, Ohio

Honda R&D Americas, Inc. Concept, Package & Styling Torrance, California

Since 1998

Acura Dynamic Concept

SYNERGY work response MACHINE

MAN feedback input 2015 Acura TLX Concept Balance of Performance and Luxury

Magnetic Dynamic Design

RED CARPET ATHLETE

Engaging Intuitive Driving Experience Interactive Experience 2015 Acura TLX Concept

PROPORTION

PRESTIGE

PERFORMANCE Acura Sedan Proportion Hierarchy

PROPORTIONS that Offer an Invitation to Acura Performance & Prestige

(Discontinued) Wider 74.4 RLX 74.0 TL

73.0 TLX 72.4 TSX

70.6 ILX

Longer (Inches) 179.1 185.6 190.3 194.0 196.1 Proportion Changes

“Right Size” Package Dynamic Proportion – 0.5 inch*

-1.0 inch* (Width = 73 inches) * Compared to Outgoing TL Proportion Changes

“Right Size” Package Dynamic Proportion

– 1.1 inches* – 2.7 inches*

* Compared to Outgoing TL Proportion Changes

NO Sacrifice to Luxury Space

= Outgoing TL (Outgoing TSX + 1.8 Inches)

= Outgoing TL (Outgoing TSX + 2.8 Inches )

Proportions for Performance

Low Wide Stance Sloping Low Hood Proportions for Performance

Fast Rearward Cabin Short Rear Deck

Pushing Through Fenders Aerodynamic Design

Designed Using CFD, Scale Tunnel & Real-world Coast-down

Best in Class CD*A

Frontal Area* 15% Lower CD*A Compared to 12M TL

–1.5% CD*A

TL

2 JP EU TLX A4 JP

EU Front Area m Area Front * Compared to Outgoing TL

CD [ Acura Internal Data ] Clean Appearance, Aero Benefit

Visible Forward Forward Welds Edge Edge 15 TLX 12 TL Constant Curve No Welds Flange Not Constant

Roller Hem Wheel Arch

Rearward A Rearward A Edge Edge

Visible Welds A A Spot weld

Smooth Flange Not Transition to Bpr Constant SECTION AA SECTION AA Intuitive Cargo Loading

Opening Width Floor Length

+14% +12%

Lift Over Height

User Friendly Cargo Area • Increased cargo capacity/usability • Improved lift-over height

-15% Luxury Prestige

Cabin Comfort & Quietness Dynamic Refinement Dynamic Performance

THREE Levels of Performance

3.5L 2WD 3.5L 2.4L 2WD ** *

* Precision All-Wheel Steer ** Super Handling All-Wheel Drive

Body Concept & Development

Improve Ride and Improve NV and Handling Feel ENGAGING Appearance Quality

Solid Platform Acoustic Spray Foam Improve Mount Point Stiffness Enables a Quiet Cabin

MAGNETIC Optimized Body Apply High Tech Materials Where Most Needed

Hemmed RR Wheel Arch ENGAGING INTUITIVE Promotes Clean Appearance, Quality & Aero SMART Achieve Top Safety Pick+ Improve User Experience WIDE / LOW Opening

Manage Crash Performance Intuitive Cargo Loading Body Component Commonality

Upperbody is completely exclusive

Styling & Package Styling

Styling Safety: HSS590

Rigidity: Cast Mg Exclusive Components 30% Common Common Components Modified Components

Styling Body Construction Strategy

Optimized Body Structure for Performance ① Next Gen ACE Body Construction for Crash Compatibility and Handling ② Reinforced cabin for SICE / SOT ③ Rigid IP Frame and SUS Mounting Points for Handling and NVH ④ 4X Roof Crush and NVH 3 4 3 1

2 Material Type Application

52% Advanced High Strength Materials Durability

LSS 270 : 41% Aluminum : 6% Safety and HSS 340 : 3% Magnesium : 2% Durability Durability

HSS 440 : 5% Safety: SOT, SICE, Frontal HSS 590 : 35% HSS 780 : 2% HSS 980 : 2% USIBOR 1500: 5% Safety and 2% Rigidity 5% 6% Light 2% 41% Weight 2%

35% Safety: Light SOT, SICE, Safety: SOT, 3% Weight Frontal 5% Frontal Body Construction Strategy

Key Improvements in Body Structure, NVH, Crash Safety

Safety and Dynamic Performance

Optimized Body Hot Stamp Stiff Ring Manage Crash Performance

Targeted Stiffness Cast Mg IP Frame Acoustic Spray Foam Body Construction Strategy Optimized Global Midsize Platform Body Rigidity Body Rigidity + Road Noise Road Noise

( Targeted Stiffness Regions) Performance Achievement Key Body Stiffness Improvements Body Rigidity Body Rigidity + Road Noise Road Noise

Z +167%

X +69% Y +27% X +18% Z +31% Y +39% Z +6%

X +24% Y +45% Z +15% X +8% Y +17% X +21% X +132% Z +6% Y +27% Y +10% Z +46% Performance Achievement Body Rigidity for Static/Dynamic Performance RR Damper FR Damper 15M TLX 12M TL A B C D 37% 28% 42% 17% 30% -7dB -12dB

-4dB -10dB -10dB -7dB

N/mm Ave =  27% 10%

dB/N Ave =  8dB

Mount Point Static Stiffness Acoustic Sensitivity (20~300 Hz) Performance Achievement Body Rigidity for Static/Dynamic Performance

Global Bending Global Torsion 100N

+5 21% +5 White Body

Mass:

15M TLX 361kg

)

12M TL 386kg ° (Nm/  - 25kg

Eigen Frequency (Hz) Frequency Eigen (-55.1lbs) Torsion Global Modes Static Torsion Performance Achievement Body Rigidity for Passenger Comfort Level

15M TLX 12M TL

+31%

Rear +44%

Front Dyn Stiffness (N/mm) Stiffness Dyn

Seat Mount Stiffness Body Construction Strategy

Hot Stamp Door Ring Stiffener 1 Stiff Ring Benefits ① Improved energy management by uninterrupted joints that transfers load more efficiently. ② Improved door fit & finish by controlling front and rear door hinges on one part. 1 ③ 4.1 kg (9lbs) weight down by overall strength increase and eliminating weld flange overlaps. 3

980 MPa 2 1500 MPa 1500 MPa 3 440 MPa

1500 MPa

12M TL = 4 Separate Welded Pieces 15M TLX = 1 Piece, 1.4mm Thick Body Construction Strategy Cast Magnesium IP Frame 15M TLX 12M TL Cast Magnesium Aluminum/Steel Hybrid

Al

Fe Slip joint for stable vehicle impact performance

26 different parts: One tool casts Extrusions and stampings three parts • Difficult accuracy control • Higher accuracy control • High investment • High investment • Moderate Mass [7kg] • Mass savings [6kg] • ‘Acceptable’ frequency • Improved steering frequency Performance Achievement Cast Magnesium IP Frame Performance Strng Wheel Frequency Transfer Function

15M TLX 12M TL

Idle / Cylinder Mgt Zone +4Hz

Better -2.7dB

Better

-1dB

)/N]

2

Better

[dB/N] [(m/s

Idle / Cylinder Mgt Zone -1.3dB

Frequency [Hz] Frequency [Hz] Performance Achievement Optimized Body and Improve Driver Comfort

Front Axle Vibration as Felt by Driver Rear Axle Vibration as Felt by Driver

TL

TL Good

Good JP

EU JP EU – 61% JP EU – 31% EU

EU

Vertical G Vertical Vertical G Vertical – 46% TLX – 33% EU TLX EU Good Good

Fore/Aft G Fore/Aft G

High Level Static and Dynamic Optimization provide ideal ride and handling properties Performance Achievement Optimized Body, NV & Subframe Improve Driver Comfort Best-in-Class Road Noise Best-in-Class Wind Noise Cabin NV Levels Wind Noise Easy EU TL EU EU To JP

Hear JP EU TL Quieter

JP EU EU

Articulation Index Articulation JP Reduced dBA Frequency High TLX TLX Quieter

Low Frequency Drumming Mid Frequency dBA o Torsional Rigidity Improved by 21 % o Chassis Mounting Point Improved by 25 % o Body Leak Improved by 50% A Stiffer Body, with Higher Isolation & Sealing, was Required to Balance TLX’s NVH

Crash Safety Performance Complete Vehicle Safety Design Highest achievements in both consumer information testing & Honda requirements for vehicle-to-vehicle compatibility & pedestrian safety Rear Crash Consumer Information Testing Roof Crush IIHS SOT -- 64 km/h (& SICE) US NCAP -- Front 56 km/h (& SINCAP) Pedestrian IIHS ODB -- 64 km/h IIHS 4x Roof Crush IIHS Rear Impact Neck Injury IIHS Side MDB Side Impact Front Crash IIHS SUV (SINCAP (NCAP & ODB) &SICE) Honda Internal Testing Pedestrian Protection Small Overlap (SOT) Next Gen ACE TM Structure

ACE ™ [ Advanced Compatibility Engineering ] Crash Safety Performance IIHS SICE Crash Achievement

Result Judge Actual Survival Space 180mm GOOD Result Injury Measures FR / RR GOOD

CAE Prediction Crash Safety Performance IIHS 4X Roof Crush Achievement

Peak Load = 90.8 kN @ Plate Stroke = 76 mm SWR = 5.67

Result Judge

SWR 5.67 * (Peak Force) (90797) GOOD 2015 TLX Stroke 76 mm GOOD

* Benefit of SOT Pillar Structure creates large strength margin Crash Safety Performance IIHS Small Overlap Crash Management Zone ① Control G-Loading into body Zone ② Passenger Protection

25% Overlap @ 40mph

Passenger Protection with strong cabin Crash Safety Performance Door Ring Crash Management

USIBOR 1500 HSS 590 Outside HSS 980 HSS 780 Inside

Balanced blend of Very Rigid and Semi Rigid components improve crash energy management through the cabin opening Crash Safety Performance Door Ring Crash Management

USIBOR 1500 HSS 590 HSS 980 HSS 780

The Door Ring components with the Floor components better balance and distribute crash energy in a controlled manner IIHS Small Overlap Test IIHS Small Overlap Achievement

[ Crash Video ] IIHS Small Overlap Test IIHS Official SOT Achievement IIHS Acceptable Structure = Acceptable

Acceptable

Rating

10/9/2014

Different wheel fracture mode and fracture timing IIHS Small Overlap Test Overall Crash Safety Performance

Item Mode 14M TL 15M TLX

Overall 4-Star Overall 5-Star NCAP

4 X Roof Crush Good Good Roof Crush Roof Crush IIHS 4x Curb weight 4x Curb weight

Top Safety Pick Side Impact

SICE Good Good Side Crash Side Crash SUV 50 km/h SUV 50 km/h Rear Crash Protection

Good Good Base TSP Base (whiplash) TSP Base Rear Crash Rear Crash Active Head rest Active Head rest

Front Crash Good Accpt • Small Overlap Test Small Small • 40% ODB Overlap Test Overlap Test

15M TLX: Crash + TSP Crash Avoidance ADV: CMBS + Tech: FCW Avoidance GTR HEAD GTR HEAD Pedestrian Protection HIC ≤ 1000 66% HIC ≤ 1000 66% HIC ≤ 1700 100% HIC ≤ 1700 100% Summary THANK YOU FOR YOUR ATTENTION