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2018 Cadillac XTS Changes, Updates, New Features
The Cadillac XTS receives various updates and changes for the 2018 model year that represent a midcycle refresh. The changes include:
Trim Levels, Features & Equipment
- Deletion of Premium Luxury V-Sport (1SK) trim level
- This leaves the XTS Platinum as the only trim to offer the AWD V-Sport Twin Turbo engine
- Deletion of five LPO accessories:
- (PCN) Summer/Winter Mat Package
- (PCP) Protection Package
- (WCN) CD optical drive
- (VYW) Premium carpeted floor mats
- (VRV) Body-color molded splash guards
Exterior

2018 Cadillac XTS in Red Horizon Tintcoat

2018 Cadillac XTS in Stone Gray Metallic
- Deletion of two exterior colors:
- Red Passion Tintcoat
- Deep Amethyst Metallic
- Addition of two exterior colors:
- Stone Gray Metallic; available at extra charge, no additional charge on Platinum or Platinum V-Sport
- Red Horizon Tintcoat; available at extra charge
- Replacement of Adaptive Forward Lighting and High Intensity Discharge headlamps with LED headlamps as standard on all models
- Replacement of 19-inch all-season tires with a new set that:
- Improves ride comfort
- Reduces tire rolling noise
- Provides quieter cabin
- Deletion of four wheel options:
- (Q6M) 19″ aluminum wheels with premium paint and chrome inserts
- (REH) 19″ aluminum wheels with premium painted finish
- (RT9) 19″ polished aluminum wheels (was standard on Premium Luxury)
- (RQ9) 20″ aluminum wheels with polished finish and chrome inserts
- Addition of four new wheel options:
- (Q7W) 19″ Pearl Nickel premium paint aluminum with chrome inserts; same wheel design as 17MY (Q6M), but with new paint finish; replaces (Q6M)
- (RUI) 19″ Sterling Silver premium paint finish aluminum (Standard on Luxury only); replaces (REH)
- (Q94) 19″ polished aluminum (Available on Luxury only). (Q94) wheel has same design as wheel (RUI), but with polished finish instead of premium paint finish
- (Q7J) 20″ Ultra Bright machined aluminum with premium paint finish (Standard on Platinum only); replaces (RQ9)
- Addition of 20-inch cast aluminum wheels with premium painted finish as standard on Premium Luxury
- Addition of Cadillac Crest badges on front fender
- New front end appearance, including new:
- Hood
- Fenders
- Front fascia
- Grille
- LED headlamps
- New rear end appearance, including new:
- Decklid
- Decklid applique
- CHMSL (Center High-Mounted Stop Lamp)
- Rear fascia
- LED taillamps
- Addition of exterior decklid opening switch incorporated in the Cadillac Crest emblem
- Addition of front cornering lamps standard on Premium Luxury and Platinum model
- Revision of grille lineup:
- Special grille on XTS (base), Luxury and Premium Luxury trim levels
- Custom grille on Platinum trim level
- V-Sport grille on Platinum V-Sport Twin Turbo
Interior
- Deletion of one interior color combination:
- (AFE) Medium Titanium with Jet Black accents
- Addition of two interior color combinations in place of two previous ones:
- Jet Black with Chevron perforated inserts on Platinum and Platinum V-Sport Twin Turbo models replaces Jet Black with Light Wheat accents
- Maple Sugar with Jet Black accents with Chevron perforated inserts on Platinum and Platinum V-Sport Twin Turbo models replaces Light Platinum with Dark Urban/Cocoa accents
- Change in Shale with Cocoa accents interior color combination to Shale with Jet Black accents
- Changes in pairing of interior color with decorative molding:
- Jet Black – Open Pore Graphite Sapele wood trim
- Shale with Jet Black accents – High Gloss Natural Ash wood trim
- Jet Black – High Gloss Lineate wood trim
- Maple Sugar with Jet Black accents – High Gloss Ebony Lineate wood trim
- Improvement in front row seat comfort
Technology
- Addition of Following Distance Indicator
- Available on Luxury trim levels
- Standard on Premium Luxury and Platinum models
- Addition of Low Speed Forward and Reverse Automatic Braking
- Available on Premium Luxury models with Driver Assist Package
- Standard on Platinum models
- Changes in USB ports:
- 2 full-function USB ports in the armrest storage bin are now 1 Type-A and 1 Type-C
- 2 Type-A charge-only USB ports on rear face of center floor console, replacing 12V outlet
- Deletion of 1 Type A USB port located in hidden center stack (behind CUE screen/faceplate)
- Inclusion of new CUE version 3.0, which is faster, more responsive and features new graphics:
- RPO Code (IO5) Cadillac CUE Information and Media Control System changes to RPO Code (IOS) Cadillac user experience
- RPO Code (IO6) Cadillac CUE Information and Media Control System with Embedded Navigation, changes to RPO Code (IOT) Cadillac user experience with embedded navigation
- Replacement of heated steering wheel with automatic heated steering wheel; the automatic heated steering wheel builds on the functionality of the automatic heated front seats, automatically turning on seat and wheel heating based on ambient air temperature
- Inclusion of Lane Change Alert with Side Blind Zone Alert
- Addition of two new features to Driver Awareness Package:
- Following Distance Indicator
- Low Speed Forward Automatic Braking, which is replaced with Forward/Reverse Automatic Braking when Driver Assist Package is ordered
- The package also includes:
- Addition of Rear Vision Camera as standard equipment on XTS (base) trim level
Chassis & Ride
- Deletion of Magnetic Ride Control as available feature on XTS (base) and Luxury trim levels
- Deletion of rear air springs automatic level control as available feature on XTS (base) and Luxury trim level
- Improved 19- and 20-inch tire design that, according to Cadillac:
- Improves ride comfort
- Reduces tire rolling noise
- Provides quieter cabin
- Note: the 20-inch tire retains same RPO Code (RAL) but also features new tire design
- Improvement in chassis for greater occupant comfort
Dimensions
- Changes in exterior dimensions:
- Overall height increases from 59.1″ to 59.4″
- Overall length decreases from 202″ to 200.9″
The updates and changes described here are specific to the U.S. market and may be different for other markets.
Following are GM’s official RPO-level changes and updates for the 2018 Cadillac XTS:
Deletions
- Model 6GY69 / Premium Luxury V-Sport Twin Turbo (1SK)
- Interior colors:
- (AFE) Medium Titanium with Jet Black accents
- (AFG) Jet Black with Light Wheat accents
- (AFH) Light Platinum with Dark Urban/Cocoa accents
- Exterior color (G1E) Red Passion Tintcoat
- Exterior color (GGA) Deep Amethyst Metallic
- (T95) Adaptive Forward Lighting headlamps
- (T4F) High intensity discharge headlamps
- (Q2B) 19″ all-season tires
- Wheels:
- (Q6M) 19″ aluminum wheels with premium paint and chrome inserts
- (REH) 19″ aluminum wheels with premium painted finish
- (RT9) 19″ polished aluminum wheels (was standard on Premium Luxury)
- (RQ9) 20″ aluminum wheels with polished finish and chrome inserts
- LPO Accessories:
- (PCN) Summer/Winter Mat Package
- (PCP) Protection Package
- (WCN) CD optical drive
- (VYW) Premium carpeted floor mats
- (VRV) Body-color molded splash guards
New Features
- Interior color (AFH) Jet Black with Chevron perforated inserts (Platinum and Platinum V-Sport Twin Turbo only); replaces (AFG)
- Interior color (AFK) Maple Sugar with Jet Black accents with Chevron perforated inserts (Platinum and Platinum V-Sport Twin Turbo only); replaces (AFH) Light Platinum
- Exterior color (GPA) Stone Gray Metallic (available at extra charge; no additional charge on Platinum or Platinum V-Sport)
- Exterior color (GPJ) Red Horizon Tintcoat (available at extra charge)
- Front fender Cadillac Crest badges
- Front end appearance – Hood, fenders, front fascia, grille, LED headlamps
- Rear end appearance – Decklid, decklid applique, CHMSL, rear fascia, LED taillamps
- Exterior decklid opening switch incorporated in the Cadillac Crest emblem
- (UE4) Following Distance Indicator
- (UHY) Low Speed Forward Automatic Braking
- (T4L) LED headlamps; replaces (T95)
- (T87) Front corning lamps (Premium Luxury and Platinum models)
- (RJZ) 19″ all-season tires; replaces (Q2B)
- Wheels:
- (Q7W) 19″ Pearl Nickel premium paint aluminum with chrome inserts; same wheel design as 17MY (Q6M), but with new paint finish; replaces (Q6M)
- (RUI) 19″ Sterling Silver premium paint finish aluminum (Standard on Luxury only); replaces (REH)
- (Q94) 19″ polished aluminum (Available on Luxury only). (Q94) wheel has same design as wheel (RUI), but with polished finish instead of premium paint finish
- (Q7J) 20″ Ultra Bright machined aluminum with premium paint finish (Standard on Platinum only); replaces (RQ9)
Changes
- Interior color (AFB)/(AFD) Shale with Cocoa accents changes to Shale with Jet Black accents
- Interior Deco Moldings:
- (AFA)/(AFC) Jet Black – Open Pore Graphite Sapele wood trim
- (AFB)/(AFD) Shale with Jet Black accents – High Gloss Natural Ash wood trim
- (AFH) Jet Black – High Gloss Lineate wood trim
- (AFK) Maple Sugar with Jet Black accents – High Gloss Ebony Lineate wood trim
- USBs:
- Full function USBs: 1-Type A and 1-Type C, located in armrest storage bin
- Charge only USBs: 2-Type A, located on rear face of center floor console (replaces 12V outlet)
- Deletion: 1 Type A located in hidden center stack
- Updated Cadillac user experience infotainment system (faster response and new graphics)
- RPO Code (IO5) Cadillac CUE Information and Media Control System, changes to RPO Code (IOS) Cadillac user experience
- RPO Code (IO6) Cadillac CUE Information and Media Control System with Embedded Navigation, changes to RPO Code (IOT) Cadillac user experience with embedded navigation
- RPO Code (UVD) Heated steering wheel changes to (KI3) Automatic heated steering wheel; automatic heated steering wheel builds on the functionality of the automatic heated front seats based on ambient air temperature
- RPO Code (UFT) Side Blind Zone Alert changes to RPO Code (UKC) Lane Change Alert with Side Blind Zone Alert
- (PCW) Driver Awareness Package adds (UE4) Following Distance Indicator and (UHY) Low Speed Forward Automatic Braking. Note: (UHY) is replaced with (UVZ) on vehicles with (PCX) Driver Assist Package
- (UVC) Rear Vision Camera now standard on XTS Trim Level
- (F55) Magnetic Ride Control, no longer available on XTS Trim Level and Luxury
- (F38) Rear air springs automatic level control, no longer available on XTS Trim Level and Luxury
- (RQA) 20″ cast aluminum wheels with premium painted finish now standard on Premium Luxury
- Revised grille lineup:
- (TL1) Special grille (XTS Trim Level, Luxury and Premium Luxury)
- (GGC) Custom grille (Platinum)
- (TSA) V-Sport grille (Platinum V-Sport Twin Turbo)
- Tire design (19″ and 20″) – improves ride comfort, reduces tire rolling noise, provides quieter cabin. 20″ tire retains same RPO Code (RAL), but with new tire design
- Dimensions:
- Overall height increases from 59.1″ to 59.4″
- Overall length changes from 202″ to 200.9″
- Improved chassis for greater occupant comfort
- Improved front row seat comfort