FE3 Factory-verified

Cadillac · Regular Production Option

Suspension system, sport

Years 1998–09, 2014–16, 2018, 2025–27 Models 16 Factory citations 47

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Also described as Suspension, performanceSuspension system, soft rideSuspension, sportSuspension, Sport

Also documented for Buick Chevrolet GMC Oldsmobile Pontiac Saturn

Documented applications

ATS — Alpha (2013–2019)

2014–2015, 2018 Factory-verified

GM factory document — 2014 cadillac ats fleet order guide wayback, p.10.
GM factory document — 2015 cadillac ats coupe fleet order guide wayback, p.4.
GM factory document — 2018 cadillac ats coupe fleet order guide wayback, p.4.
GM factory document — 2018 cadillac ats sedan fleet order guide wayback, p.4.

CT4 — Alpha 2 (2020–2026)

2025–2026 Factory-verified

only in: CT4-V and CT4-V Blackwing; V-Series: S

GM factory document — 2025 cadillac ct4 v ct4 v blackwing fleet order guide, p.7.
GM factory document — 2026 cadillac ct4 v ct4 v blackwing fleet order guide, p.9.

CT5 — Alpha 2 (2020–2026)

2025–2026 Factory-verified

only in: CT5-V, CT5-V Blackwing; V-Series: S; V-Series Blackwing: not available

GM factory document — 2025 cadillac ct5 v ct5 v blackwing fleet order guide rpo codes, p.1.
GM factory document — 2026 cadillac ct5 v ct5 v blackwing fleet order guide rpo codes, p.1.
GM factory document — 2025 cadillac ct5 v ct5 v blackwing fleet order guide, p.8.
GM factory document — 2026 cadillac ct5 v ct5 v blackwing fleet order guide, p.10.

CTS — Alpha (2014–2019)

2014–2015, 2018 Factory-verified

Vsport, Vsport Premium: S

GM factory document — 2014 cadillac cts sedan fleet order guide wayback, p.4.
GM factory document — 2015 cadillac cts sedan fleet order guide wayback, p.4.
GM factory document — 2018 cadillac cts sedan fleet order guide wayback, p.4.

CTS — Sigma II (2008–2015)

2008–2009, 2014 Factory-verified

The 2014 Coupe guide calls it the performance suspension, with 19 inch wheels, rear load leveling and speed-sensitive steering; rear-wheel-drive Performance and Premium: O (in Y43)

GM factory document — 2008 cadillac cts rpo code list, p.1.
GM factory document — 2009 cadillac cts rpo code list, p.1.
GM factory document — 2014 cadillac cts coupe and cts v coupe fleet order guide wayback, p.3.

CTS — Sigma / GMX320 (2003–2007)

2003–2005 Factory-verified

GM factory document — 2003 cadillac cts rpo code list, p.1.
GM factory document — 2005 cadillac cts rpo code list, p.1.

DeVille — G-body (2000–2005)

2000–2002, 2005 Factory-verified

the 2002 list prints Soft for this code; the other lists, Sport.

GM factory document — 2000 cadillac deville rpo code list, p.1.
GM factory document — 2002 cadillac deville rpo code list, p.1.
GM factory document — 2005 cadillac deville rpo code list, p.1.

DeVille — K-body (1994–1999)

1998–1999 Factory-verified

GM factory document — 1998 cadillac deville rpo code list, p.1.
GM factory document — 1999 cadillac deville rpo code list, p.1.

DTS — G-body (2006–2011)

2006–2009 Factory-verified

GM factory document — 2006 cadillac dts rpo code list, p.1.
GM factory document — 2009 cadillac dts rpo code list, p.1.

Eldorado — E-body (1992–2002)

1998–2002 Factory-verified

GM factory document — 1998 cadillac eldorado rpo code list, p.1.
GM factory document — 1999 cadillac eldorado rpo code list, p.1.
GM factory document — 2000 cadillac eldorado rpo code list, p.1.
GM factory document — 2001 cadillac eldorado rpo code list, p.1.
GM factory document — 2002 cadillac eldorado rpo code list, p.1.

Optiq — BEV3 (2025–2027)

2026–2027 Factory-verified

V-Series: S; Luxury, Premium Luxury, Sport, Premium Sport: not available

GM factory document — 2026 cadillac all electric optiq optiq v fleet order guide rpo codes, p.1.
GM factory document — 2027 cadillac all electric optiq optiq v fleet order guide rpo codes, p.1.
GM factory document — 2026 cadillac all electric optiq optiq v fleet order guide, p.9.
GM factory document — 2027 cadillac all electric optiq optiq v fleet order guide, p.10.

Seville — G-body (1998–2004)

1998–2004 Factory-verified

GM factory document — 1998 cadillac seville rpo code list, p.1.
GM factory document — 1999 cadillac seville rpo code list, p.1.
GM factory document — 2000 cadillac seville rpo code list, p.1.
GM factory document — 2001 cadillac seville rpo code list, p.1.
GM factory document — 2002 cadillac seville rpo code list, p.1.
GM factory document — 2003 cadillac seville rpo code list, p.1.
GM factory document — 2004 cadillac seville rpo code list, p.1.

SRX — Sigma / GMT265 (2004–2009)

2004–2009 Factory-verified

The 2004 and 2005 lists print "Soft Ride", the same words as FE1; the 2006 to 2009 lists read Sport, which is used here.

GM factory document — 2004 cadillac srx rpo code list, p.1.
GM factory document — 2009 cadillac srx rpo code list, p.1.

SRX — Theta Premium / GMT166 (2010–2016)

2016 Confirmed

included with F45 chassis continuously variable real time damping; GM's 2016 SRX order guide (GM Authority's copy, published September 18, 2015)

STS — Sigma (2005–2011)

2005–2009 Factory-verified

The 2005 and 2006 lists print "Soft Ride" (the FE1 wording); the 2007-2009 lists and GM's other lists print Sport, which is used here.

GM factory document — 2005 cadillac sts rpo code list, p.1.
GM factory document — 2009 cadillac sts rpo code list, p.1.

Vistiq — BEV3 (2026–2027)

2026–2027 Factory-verified

Luxury, Sport: S

GM factory document — 2026 cadillac all electric vistiq fleet order guide, p.54.
GM factory document — 2027 cadillac all electric vistiq fleet order guide, p.54.

This page aggregates every documented appearance of FE3 in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.