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2006 Cadillac CTS Overview, Reviews, Ratings & Specs

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Jovan | September 28, 2025
The 2006 Cadillac CTS is a first-generation luxury sport sedan, produced from 2003-2007, showcasing Cadillac's "Art and Science" design language. It aimed to challenge European rivals like BMW and Mercedes-Benz. Available trims included the V6-powered base model and the high-performance CTS-V. Used prices typically range from $3,000 to $8,000 (V6) or $12,000 to $25,000 (CTS-V). It stood out for its sharp styling, rear-wheel-drive dynamics, and a strong push towards performance, appealing to a younger, more enthusiast-driven market.
The Good

The 2006 CTS offers engaging rear-wheel-drive performance, especially the powerful V8 CTS-V, appealing to emotional buyers. Its distinctive "Art and Science" design remains stylish. Practical advantages include a comfortable, well-appointed interior and excellent used market value, making luxury and sporty dynamics highly accessible for budget-conscious buyers seeking premium features without the new car price tag.

The Bad

Known weaknesses include potential timing chain issues and oil leaks, particularly with the 3.6L V6. Electrical gremlins, such as power window failures and dash issues, are also common. Interior plastics can feel dated, and suspension components may require attention over time. Maintenance costs can be higher than expected for a used car.

2006 Cadillac CTS: Quick Overview

  • Engine Options:
    • 3.6L V6 VVT (Variable Valve Timing): Standard for most trims.
    • 2.8L V6: Available in some markets/trims as a base option.
    • 6.0L V8 (LS2): Exclusively in the high-performance CTS-V model.
  • Horsepower:
    • 3.6L V6: 255 hp @ 6200 rpm, 252 lb-ft torque @ 3200 rpm.
    • 2.8L V6: 210 hp @ 6500 rpm, 194 lb-ft torque @ 3200 rpm.
    • 6.0L V8 (CTS-V): 400 hp @ 6000 rpm, 395 lb-ft torque @ 4400 rpm.
  • Fuel Economy (EPA estimates):
    • 3.6L V6 (Automatic): 17-18 MPG city / 25-27 MPG highway.
    • 3.6L V6 (Manual): 17 MPG city / 24 MPG highway.
    • 2.8L V6 (Manual/Automatic): Around 17 MPG city / 25 MPG highway.
    • 6.0L V8 (CTS-V): 15 MPG city / 23 MPG highway.
  • 0-60 MPH Times (approximate):
    • 3.6L V6: 6.5-7.0 seconds.
    • 6.0L V8 (CTS-V): 4.6-4.8 seconds.
  • Towing Capacity: Not officially rated for significant towing; generally minimal (around 1,000 lbs if properly equipped) and not a primary feature.
  • Trim-Level Features:
    • Standard CTS (Base/Luxury/Performance Trims): Typically included power windows/locks/mirrors, dual-zone automatic climate control, cruise control, and alloy wheels (16 or 17-inch). Available upgrades included leather seating, heated front seats, power-adjustable pedals, a power sunroof, navigation system, HID headlights, and a Bose sound system. The 3.6L V6 became standard across most US models for 2006, often paired with a 5-speed automatic or 6-speed manual.
    • CTS-V (High-Performance Trim): Featured the 6.0L LS2 V8 engine, a 6-speed manual transmission (Tremec T-56), Brembo brakes, a performance-tuned suspension (with Sachs shocks), limited-slip differential, unique exterior styling (front fascia, grille), and specific 18-inch wheels with performance tires. Interior enhancements included unique sport seats and additional gauges, designed for a more aggressive driving experience.

2006 Cadillac CTS Specifications

Vehicle Information
Year 2006
Make Cadillac
Model CTS
Trim -
Style 2.8-Liter 6-Speed Manual
Type Sedan
Category Mid-Size Car
Manufacturing Details
Made In United States
Manufacturing City LANSING - GRAND RIVER
Dimensions
Doors 4-Door
Curb Weight 1618.42 kg
Gross Vehicle Weight Rating -
Overall Height 144.02 cm
Overall Length 482.85 cm
Overall Width 179.32 cm
Wheelbase Length 288.04 cm
Standard Seating 5
Engine & Performance
Engine 2.8-L V-6 DOHC 24V
Engine Size 2.8L
Engine Cylinders 6
Transmission 6-Speed Manual
Transmission Type Manual
Transmission Speeds 6-Speed
Drivetrain Rear-Wheel Drive
Additional Features
Anti-Brake System 4-Wheel ABS
Steering Type Rack & Pinion
Pricing
Manufacturer Suggested Retail Price (MSRP) $29,270 USD
Invoice Price $27,367 USD
Delivery Charges $720 USD

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What Problems Does the 2006 Cadillac CTS Have?

The 2006 Cadillac CTS, while a stylish and performance-oriented sedan, has a few frequently reported problems and long-term reliability concerns. One of the most common issues involves the timing chain and its tensioners, particularly with the 3.6L V6 engine (common for 2004-2007 models). Stretched timing chains can lead to expensive repairs, including engine noise, misfires, and even catastrophic failure if ignored. Owners should listen for a "death rattle" sound on startup or at idle.

Oil leaks are also prevalent, especially from the front timing cover gasket and valve cover gaskets. These leaks can be significant and, while not always mechanically critical immediately, can lead to lower oil levels and require messy and somewhat labor-intensive repairs.

Electrical issues are another common complaint. These can manifest as problems with power windows (regulators failing), malfunctioning door lock actuators, issues with the infotainment system (CD changers, radio displays), or various warning lights illuminating without clear cause. The instrument cluster can sometimes develop issues with gauges or backlighting.

The suspension components tend to wear out over time, leading to clunks or squeaks, especially from bushings, ball joints, and tie rods. This is somewhat expected with higher mileage but can be accelerated by aggressive driving or poor road conditions.

Regarding recalls for the 2006 model year, specific recalls have been issued, including:
  • Ignition Switch Recall (NHTSA Campaign Number: 14V355000): This broad GM recall affected numerous models, including the CTS, where the ignition switch could inadvertently move from the "run" position, causing the engine to stall and disabling power steering, power brakes, and airbags.
  • Headlamp Wiring Harness (NHTSA Campaign Number: 05V288000): For early 2006 models, a potential issue with the headlamp wiring harness causing intermittent or complete loss of low-beam headlights.
Prospective buyers should ensure all applicable recalls have been addressed by checking the VIN with a Cadillac dealership or the NHTSA website. While a well-maintained 2006 CTS can offer years of service, vigilance regarding these common issues is crucial for long-term ownership.

How long will the 2006 Cadillac CTS last?

The 2006 Cadillac CTS can be a durable vehicle if properly maintained, with many owners reporting their cars lasting well over 150,000 to 200,000 miles and sometimes beyond. This translates to an average service life of 12 to 15+ years when driven an average of 12,000-15,000 miles per year. Key to achieving this longevity is diligent adherence to the maintenance schedule, particularly regarding oil changes, fluid checks, and addressing known issues proactively.

Long-term durability is generally good for the chassis and drivetrain if significant engine issues (like timing chain problems on the 3.6L V6) are either absent or have been professionally addressed. Over time, expect wear and tear on suspension components (bushings, struts, ball joints), which will eventually need replacement. Electrical components can become finicky with age, leading to minor but annoying failures like power window regulators or dashboard display issues. Interior materials, while generally good, may show signs of wear, cracking, or fading depending on sun exposure and care. The 6.0L V8 in the CTS-V is renowned for its robustness and can easily exceed 200k miles with proper care.

What Technology & Safety Features are Included?

The 2006 Cadillac CTS offered a respectable array of built-in technology and features for its era, blending luxury with a focus on driver comfort and safety.

Entertainment and Connectivity:
  • Standard on most models was a Bose premium audio system, often with an AM/FM stereo and a multi-disc CD changer.
  • An optional navigation system with a pop-up LCD screen was available, a relatively advanced feature at the time.
  • Satellite radio (XM) was an available option, providing a broader range of audio entertainment.
  • Power outlets were typically available for charging devices.
Driver-Assistance and Convenience:
  • Dual-zone automatic climate control was standard, allowing separate temperature settings for driver and front passenger.
  • Power-adjustable front seats were standard, with memory functions for the driver's seat available on higher trims.
  • Power windows, door locks, and heated power mirrors were standard.
  • Optional features included power-adjustable pedals, heated front seats, and a power sunroof.
  • Cruise control was standard.
  • Rear parking sensors were an optional driver-assistance feature.
Safety Features:
  • Standard safety equipment included dual-stage front airbags, front side-impact airbags, and full-length side curtain airbags.
  • Four-wheel anti-lock brakes (ABS) were standard.
  • Traction control and StabiliTrak electronic stability control were standard features, crucial for maintaining control in adverse conditions.
  • The CTS also featured a tire pressure monitoring system.
Crash-Test Ratings (NHTSA for 2006 CTS):
  • Frontal Driver: 5 Stars
  • Frontal Passenger: 5 Stars
  • Side Driver: 5 Stars
  • Side Rear Passenger: 5 Stars
  • Rollover: 4 Stars
These ratings indicate a very strong performance in crash tests, highlighting Cadillac's commitment to occupant safety in the first-generation CTS. While it lacked many of the advanced active safety systems found in modern vehicles (e.g., adaptive cruise control, lane-keeping assist), its passive safety features and structural integrity were highly rated for its time.

What Colors Options are Available?

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In the meantime, feel free to explore the other sections for more content.

2006 Cadillac CTS Prices and Market Value

When new, the 2006 Cadillac CTS had an MSRP that typically ranged from around $30,000 for a base V6 model to over $50,000 for the high-performance CTS-V. A well-equipped standard CTS might have cost in the mid-$30,000s to low-$40,000s.

Today, current used market prices are significantly lower, reflecting substantial depreciation. Standard V6 models in good condition usually fetch between $3,000 and $8,000. The performance-oriented CTS-V, however, commands a premium due to its powerful V8 and limited production, with prices typically ranging from $12,000 to $25,000 or more depending on condition, mileage, and originality.

Factors affecting resale value include the vehicle's overall condition, maintenance history, mileage, and specific trim (CTS-V holds value much better). Cadillac models generally depreciate faster than some European or Japanese luxury rivals. The 2006 CTS has absorbed most of its depreciation, making it an attractive used purchase, but older luxury cars incur higher maintenance costs, impacting their perceived long-term value.

2006 Cadillac CTS Cost of Ownership

Long-term ownership of a 2006 Cadillac CTS can be moderately costly, typical for a used luxury sport sedan. Insurance rates are generally higher than economy cars due to the luxury badge and potential repair costs. Fuel costs are reasonable for V6 models (regular unleaded), but the CTS-V requires premium and consumes it quickly. Maintenance is crucial; regular oil changes and fluid checks are vital. Repairs can be expensive due to parts and specialized labor, especially for common issues like timing chains or suspension work. While the initial purchase price is low, budgeting several hundred to over a thousand dollars annually for upkeep and potential repairs is wise. It's not an economical car to own compared to a compact sedan, but offers a luxurious experience at a fraction of new luxury car costs.

2006 Cadillac CTS Fuel Efficiency

Fuel Type Gasoline
Fuel Capacity 64.35 liters
City Mileage 7.23 km/l
Highway Mileage 11.48 km/l

2006 Cadillac CTS Safety Rating

NHTSA
Side Driver Rating
Frontal Passenger Rating
Rollover Rating
Side Rear Passenger Rating
Frontal Driver Rating
Side Driver Rating
Frontal Passenger Rating
Rollover Rating
Side Rear Passenger Rating
Frontal Driver Rating
IIHS
Rear Crash Protection/Head Restraint Ratings Poor
Moderate Overlap Front Test Results Good
Side Impact Test Results Not Tested
Rear Crash Protection/Head Restraint Ratings Poor
Moderate Overlap Front Test Results Good
Side Impact Test Results Not Tested

2006 Cadillac CTS Warranty

Basic
Original warranty 48 months / 50,000 miles
Estimated remaining Expired
Powertrain
Original warranty 48 months / 50,000 miles
Estimated remaining Expired
Rust
Original warranty 72 months / 100,000 miles
Estimated remaining Expired

2006 Cadillac CTS Insurance

Insurance for a 2006 Cadillac CTS is moderately priced, reflecting its status as a Sedan with strong safety ratings and
reasonable repair costs.

How Does the 2006 Cadillac CTS Compare to Other Sedan?

The 2006 Cadillac CTS competed directly with established players in the entry-level luxury sport sedan segment, primarily the BMW 3 Series (E46/E90 generations), Mercedes-Benz C-Class (W203), and to a lesser extent, the Infiniti G35 and Lexus IS250/350.

Performance: The CTS, particularly with its 3.6L V6, offered strong straight-line performance comparable to V6-equipped rivals. Its rear-wheel-drive platform provided engaging handling. The CTS-V stood in a league of its own, outperforming M3s and C-Class AMGs of its era with its potent 400hp LS2 V8, making it a true American muscle-sedan. The BMW 3 Series was often lauded for superior driving dynamics, while the Mercedes C-Class typically prioritized comfort.

Features: The CTS came well-equipped, often matching or exceeding the standard features of its base German competitors, especially concerning interior amenities. German rivals often had more refined interior design and higher perceived material quality, though the CTS's "Art and Science" exterior was arguably more distinctive. The Lexus IS offered exceptional interior refinement.

Reliability: This is where the CTS often lagged, especially compared to the renowned reliability of the Lexus IS. Known issues with timing chains (3.6L V6), oil leaks, and electrical gremlins sometimes make it less reliable than its Japanese counterparts. BMWs and Mercedes of this era also had their share of costly maintenance and repair concerns. Infiniti G35 was generally considered quite reliable.

Price: When new, the CTS was competitively priced, often offering more features or power for the money than a similarly priced BMW or Mercedes. Used, the CTS offers significant value, typically being much cheaper to acquire than a used 3 Series or C-Class of the same vintage, outside of the CTS-V. Lexus IS and Infiniti G35 also hold their value well but are usually still more expensive than a standard V6 CTS.

Alternatives:
  • Better Alternatives for Reliability/Resale: Lexus IS250/350 (2006-2008), Infiniti G35 (2006-2007). These offer similar sport sedan dynamics with generally fewer long-term headaches.
  • Similar Alternatives (more expensive): BMW 3 Series (E90, 2006-2007) for driving dynamics, Mercedes-Benz C-Class (W203) for traditional luxury and comfort. These will often cost more to buy and maintain.
For those prioritizing raw performance and a manual transmission, the CTS-V offers an unmatched value proposition that's hard to beat by any rival from the era without spending significantly more. Overall, the 2006 CTS offers a unique blend of American luxury and performance at a compelling used price, though buyers should factor in potential maintenance costs.

Final Verdict: Is the 2006 Cadillac CTS a Good Sedan?

The 2006 Cadillac CTS is an excellent choice for a specific type of buyer: someone seeking an affordable entry into the luxury sport sedan segment who appreciates distinctive American styling and an engaging rear-wheel-drive driving experience. It's ideal for those who value performance and comfort over ultimate fuel economy or bulletproof reliability of some Japanese rivals.

Is it worth buying? Yes, but with caveats. It's definitely a used market purchase. For the standard V6 models, it offers tremendous value for the price. The CTS-V is particularly worth buying for enthusiasts looking for a budget-friendly performance machine with a manual transmission, offering supercar-baiting power for a fraction of the cost.

Conditions for buying: A thorough Pre-Purchase Inspection (PPI) is essential. Look for a vehicle with documented maintenance records. Be prepared to budget for higher maintenance and potential repair costs. The 3.6L V6 offers a good balance, while the CTS-V is for those craving raw power. For the informed buyer willing to perform due diligence, the 2006 Cadillac CTS offers a rewarding and stylish driving experience at a compelling used price point.

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Jovan

Jovan specializes in interpreting vehicle records and making sense of VIN data. With over 10 years of experience in the automotive data industry, his work ensures that every report is clear, accurate, and useful for car buyers.