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Vehicle

Cadillac CTS

The rear-driven executive saloon that carried the make for fifteen years. Its engines are shared with the wider General Motors range — the LFX and LGX V6 above all — so a code here is usually documented under a Chevrolet or a Buick badge in far more detail.

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Cadillac CTS (2nd)
IFCAR · Public domain (external)

Generations

  • First generation 2003–2007

    Sigma platform and rear drive; the CTS-V's LS6 and LS2 make Corvette information the right reference for those cars.

    Body styles
    Sedan
    Platform
    GM Sigma
    Engines
    • 2.6 V6 — LY9 · petrol
    • 3.2 V6 — LA3 · petrol · 164 kW (220 hp)
    • 3.6 V6 — LY7 · petrol · 190 kW (255 hp) · 342 Nm (252 lb-ft)
    • 5.7 V8 — LS6 · petrol · 298 kW (400 hp) · 536 Nm (395 lb-ft) · LS6, CTS-V
    • 2.8 V6 — LP1 · petrol
    • 6.0 V8 — LS2 · petrol · 298 kW (400 hp) · 536 Nm (395 lb-ft)
    Transmissions
    5-speed 5L40-E automatic · 5-speed Getrag 260 manual · 6-speed Aisin AY-6 manual · 6-speed Tremec T-56 manual
    Drivetrain
    Rear-wheel drive
  • 2nd 2007–2014

    Direct injection arrives; the supercharged CTS-V sits on top.

    Body styles
    Sedan · Estate · Coupé
    Platform
    GM Sigma II
    Engines
    • 2.8 V6 — LP1 · petrol
    • 3.0 V6 — LF1 · petrol · 201 kW (270 hp) · 304 Nm (224 lb-ft)
    • 3.6 V6 — petrol · 229–237 kW (307–318 hp) · 370–372 Nm (273–274 lb-ft)
    • 6.2 supercharged V8 — petrol · 415 kW (557 hp) · 747 Nm (551 lb-ft) · CTS-V
    • 2.9 V6 turbodiesel — diesel · Europe
    Transmissions
    6-speed 6L50 automatic · 6-speed 6L90 automatic · 6-speed Aisin AY-6 manual · 6-speed Tremec 6L95M manual
    Drivetrain
    Rear-wheel drive · Four-wheel drive
  • 3rd 2013–2019

    Alpha platform, twin-turbo V6 at the top of the range.

    Body styles
    Sedan
    Platform
    GM Alpha
    Engines
    • 2.0 turbo — LTG · petrol · 203 kW (272 hp) · 400 Nm (295 lb-ft)
    • 3.6 V6 — LFX · petrol · 239 kW (321 hp) · 372 Nm (274 lb-ft)
    • 3.6 twin-turbo V6 — LF3 · petrol · 313 kW (420 hp) · 583 Nm (430 lb-ft) · V-Sport
    • 6.2 supercharged V8 — LT4 · petrol · 415–477 kW (557–640 hp) · 854 Nm (630 lb-ft) · CTS-V
    • 3.0 — petrol · 6-cylinder, US market 2013-2014
    Transmissions
    6-speed manual · 6-speed GM 6L45 automatic · 8-speed Aisin TL-80SN automatic · 8-speed GM 8L90 automatic
    Drivetrain
    Rear-wheel drive · Four-wheel drive

Information, not instruction

CarGeek is a reference, not a service manual. Its pages are written from public sources and from what other people have found, never from a manufacturer's own service information, so they can be wrong or incomplete for your particular vehicle. Some of what they describe carries real risk: high voltage, fuel under pressure, stored energy, hot and moving parts.

Have anything you intend to act on checked by a trained person against the manufacturer's own procedure for your vehicle. Nothing here replaces that procedure.

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