How Much Is a 2007 Cadillac Sts Worth

The 2007 Cadillac STS is a luxury sedan that blends performance, comfort, and style, but its value today depends heavily on condition, mileage, and options. Whether you’re buying, selling, or just curious, understanding what affects its worth can save you time and money.

Key Takeaways

• Market Value Range: A 2007 Cadillac STS typically sells between $3,000 and $8,500, depending on condition and mileage.
• Mileage Matters: Lower-mileage models (under 80,000 miles) command higher prices, while high-mileage examples may drop below $3,000.
• Trim Level Impact: The V8-powered STS-V and higher trims like the Luxury or Performance packages add significant value.
• Maintenance History: Well-documented service records and recent repairs can increase resale value by up to 15%.
• Location and Demand: Prices vary by region—urban areas with luxury car demand often see higher offers.
• Common Issues: Watch for transmission problems, electrical glitches, and suspension wear, which can lower value if unaddressed.
• Selling Tips: Clean the interior, fix minor issues, and price competitively to attract serious buyers quickly.

How Much Is a 2007 Cadillac STS Worth? A Complete Guide

If you’re eyeing a 2007 Cadillac STS or thinking about selling one you already own, you’re probably wondering: “How much is a 2007 Cadillac STS worth?” It’s a fair question. This luxury sedan was once a symbol of American elegance and performance, blending smooth rides with premium features. But over a decade and a half later, its value has shifted dramatically due to age, mileage, and market trends.

The short answer? A 2007 Cadillac STS typically ranges from $3,000 to $8,500 in today’s used car market. But that’s just the surface. The real value depends on a mix of factors—some within your control, others not. Whether you’re a buyer looking for a reliable luxury ride on a budget or a seller aiming to get top dollar, understanding these variables is key.

In this guide, we’ll break down everything that affects the worth of a 2007 Cadillac STS. From engine types and trim levels to common mechanical issues and regional pricing differences, we’ll give you the tools to make an informed decision. We’ll also share practical tips for buying or selling, so you don’t leave money on the table—or end up with a lemon.

Understanding the 2007 Cadillac STS: A Quick Overview

Before diving into pricing, let’s get familiar with what the 2007 Cadillac STS actually is. The STS (short for Seville Touring Sedan) was Cadillac’s flagship luxury sedan at the time, designed to compete with European rivals like the BMW 5 Series and Mercedes E-Class. It replaced the older Seville and brought a more modern, aggressive design with advanced technology for its era.

The 2007 model year was part of the second generation of the STS, which ran from 2005 to 2011. It was available with two engine options: a 3.6L V6 and a more powerful 4.6L Northstar V8. The V6 produced around 255 horsepower, while the V8 delivered a robust 320 horsepower—plenty for highway cruising and confident passing. Both engines were paired with a 5-speed automatic transmission, offering smooth shifts and decent fuel economy for a luxury sedan.

Inside, the STS impressed with high-quality materials, spacious seating, and a long list of standard and optional features. Depending on the trim, you could get leather upholstery, heated and cooled seats, a Bose sound system, navigation, adaptive cruise control, and even a heads-up display. It was a tech-forward car for its time, and many of these features still feel premium today.

Safety was also a priority. The 2007 STS earned strong crash test ratings and came equipped with standard ABS, traction control, and multiple airbags. Optional safety tech included blind-spot monitoring and rear parking sensors—advanced for 2007.

But despite its strengths, the STS wasn’t without flaws. Some owners reported reliability issues over time, especially with the transmission and electrical systems. These concerns, combined with depreciation and the rise of newer luxury models, have impacted its resale value. Still, for the right buyer, the 2007 STS remains an appealing blend of comfort, performance, and prestige at a fraction of its original price.

Factors That Determine the Value of a 2007 Cadillac STS

So, what exactly decides how much a 2007 Cadillac STS is worth? It’s not just about the year and model. Several key factors influence pricing, and understanding them can help you assess a fair market value—whether you’re buying or selling.

Mileage: The Biggest Price Driver

Mileage is one of the most significant factors affecting a used car’s value, and the STS is no exception. On average, a 2007 Cadillac STS with under 80,000 miles will command a higher price—often in the $6,000 to $8,500 range. These low-mileage examples are rare and highly sought after, especially if they’ve been well-maintained.

On the other hand, high-mileage models (120,000 miles or more) typically sell for $3,000 to $4,500. While they may still be reliable, buyers are wary of potential wear and tear on critical components like the engine, transmission, and suspension. A car with 150,000 miles might still run well, but it will need more frequent repairs, which lowers its perceived value.

For example, a 2007 STS with 65,000 miles, clean history, and full service records might sell for $7,200. The same car with 130,000 miles and no recent maintenance could drop to $3,800—even if it runs fine. That’s a $3,400 difference, purely based on mileage and condition.

Trim Level and Engine Type

Not all 2007 STS models are created equal. The trim level and engine choice play a major role in pricing. The base model came with the 3.6L V6, while higher trims like the Luxury, Performance, and STS-V featured the 4.6L V8.

The V8 models are generally worth more—sometimes $1,000 to $2,000 more—due to their increased power and desirability among enthusiasts. The STS-V, in particular, is a performance variant with a supercharged V8 producing over 460 horsepower. These are rare and can fetch $10,000 or more in excellent condition, though they’re not common on the used market.

Additionally, options like all-wheel drive (AWD), premium sound systems, and advanced safety packages can boost value. A fully loaded Luxury Package STS with AWD, navigation, and adaptive suspension will naturally be priced higher than a base V6 model with minimal options.

Vehicle Condition and Maintenance History

A car’s physical and mechanical condition is just as important as its specs. A 2007 STS that’s been garage-kept, regularly serviced, and free of major accidents will always be worth more than one with a spotty history.

Buyers look for signs of care: clean interior, no smoke damage, functioning electronics, and a smooth-running engine. A vehicle with a detailed maintenance log—showing oil changes, brake jobs, and transmission service—can increase its value by 10% to 15%. For instance, a $5,000 STS with full records might sell for $5,750, while one with no history might struggle to hit $4,500.

Rust, body damage, or interior wear can significantly reduce value. Even minor dents or stains can turn off buyers, especially in the luxury segment where appearance matters.

Accident History and Title Status

A clean title is essential for maximum value. A 2007 STS with a salvage or rebuilt title will sell for 20% to 40% less than a comparable clean-title model. Even a minor accident that required bodywork can raise red flags if not properly disclosed.

Always check the vehicle history report (using services like Carfax or AutoCheck) before buying or pricing your sale. A car with a minor fender bender but full repairs may still be a good deal, but it won’t command top dollar.

Geographic Location and Market Demand

Where you live affects how much a 2007 Cadillac STS is worth. In urban areas with higher demand for luxury vehicles—like Los Angeles, Miami, or Chicago—prices tend to be higher. Buyers in these markets are more likely to appreciate the STS’s features and are willing to pay a premium.

In contrast, rural areas or regions with harsh winters (where salted roads cause rust) may see lower demand and lower prices. A well-maintained STS in Arizona might sell for $6,500, while the same car in Minnesota could go for $5,000 due to rust concerns.

Seasonality also plays a role. Convertible and luxury sedans often see a bump in spring and summer, while winter may bring lower offers.

2007 Cadillac STS Pricing by Condition and Trim

To give you a clearer picture, let’s break down typical pricing based on condition and trim level. These estimates are based on recent sales data from Kelley Blue Book (KBB), Edmunds, and private listings.

Base Model (3.6L V6, FWD)

– **Excellent Condition (under 80k miles):** $6,000–$7,500
– **Good Condition (80k–120k miles):** $4,500–$5,500
– **Fair Condition (120k+ miles, minor issues):** $3,000–$4,000

These models are the most common on the used market. They’re reliable for daily driving but lack the performance and prestige of V8 versions.

Luxury or Performance Trim (4.6L V8, AWD Optional)

– **Excellent Condition (under 80k miles):** $7,000–$8,500
– **Good Condition (80k–120k miles):** $5,500–$6,500
– **Fair Condition (120k+ miles):** $4,000–$5,000

The V8 models are more desirable, especially with AWD and premium options. They’re better suited for buyers who want a more engaging drive.

STS-V (Supercharged V8, High Performance)

– **Excellent Condition (under 70k miles):** $10,000–$14,000
– **Good Condition (70k–100k miles):** $8,000–$10,000
– **Fair Condition (100k+ miles):** $6,000–$8,000

The STS-V is a collector’s item for Cadillac fans. Low-mileage examples in pristine condition can even exceed $15,000, especially if they’re unmodified and well-documented.

Keep in mind, these are general ranges. A single-owner, garage-kept STS with 60,000 miles and all service records might sell for the top of its range—or even slightly above. Conversely, a high-mileage car with transmission issues might sell for $2,500, even if it’s a V8.

Common Issues That Affect Value

No car is perfect, and the 2007 Cadillac STS has its share of known problems. While many of these can be fixed, they often deter buyers and lower resale value—especially if they’re not addressed.

Transmission Problems

One of the most common complaints about the 2007 STS is transmission issues. The 5-speed automatic can develop hard shifts, slipping, or failure over time, especially in high-mileage models. Repairs can cost $1,500 to $3,000, which is a significant chunk of the car’s value.

If you’re buying, ask for a test drive and pay attention to how the transmission behaves. Jerky shifts or delays in acceleration are red flags. For sellers, having a recent transmission service or rebuild can boost confidence—and price.

Electrical and Sensor Glitches

The STS is packed with electronics, and over time, sensors and modules can fail. Common issues include faulty door locks, malfunctioning dashboard displays, and problems with the climate control system. The heads-up display and navigation system are also prone to glitches.

These aren’t usually expensive to fix individually, but multiple electrical issues can add up. A car with a non-working navigation screen might lose $500 in value, even if everything else works.

Suspension and Steering Wear

The STS uses a sophisticated suspension system, including optional Magnetic Ride Control. While advanced, these components wear out and can be costly to replace. Worn struts, bushings, or steering racks lead to a rough ride and poor handling.

A car with a clunking noise over bumps or uneven tire wear may need suspension work. Budget $800 to $1,500 for repairs, which can affect how much a buyer is willing to pay.

Engine and Cooling System Concerns

The Northstar V8 is a strong engine, but it’s not immune to issues. Overheating, head gasket failures, and oil leaks have been reported, especially in poorly maintained examples. Regular coolant changes and using the correct coolant type are essential.

A well-maintained V8 can last 200,000 miles or more, but neglect can lead to costly repairs. Always check for leaks, coolant condition, and engine noise during a test drive.

Rust and Body Damage

While not as common as in older Cadillacs, rust can appear on the 2007 STS, especially in snowy climates. Check the wheel wells, undercarriage, and door sills for corrosion. Surface rust can be treated, but structural rust severely impacts value.

Tips for Buying a 2007 Cadillac STS

If you’re in the market for a 2007 STS, here are some practical tips to help you get the best deal and avoid headaches.

Set a Budget and Stick to It

Decide how much you’re willing to spend—including potential repairs. A $5,000 car might need $1,000 in fixes, so budget accordingly. Don’t let emotions push you over your limit.

Get a Pre-Purchase Inspection (PPI)

Always have a trusted mechanic inspect the car before buying. A PPI costs $100 to $150 but can save you thousands by uncovering hidden issues. Focus on the transmission, suspension, and electrical systems.

Check the Vehicle History Report

Use the VIN to pull a Carfax or AutoCheck report. Look for accidents, title issues, and service records. A clean history adds confidence—and value.

Test Drive Thoroughly

Drive the car on highways, city streets, and over bumps. Listen for unusual noises, feel for vibrations, and test all electronics. Pay attention to how the transmission shifts and how the car handles.

Negotiate Based on Condition

Use any issues you find as leverage. If the car needs new tires or a brake job, ask for a price reduction or have the seller fix it before purchase.

Consider Certified Pre-Owned (CPO) or Dealer Options

While rare for a 2007 model, some dealers may offer CPO programs or extended warranties. These can provide peace of mind, though they may cost more upfront.

Tips for Selling a 2007 Cadillac STS

If you’re selling your STS, here’s how to maximize its value and sell it quickly.

Clean and Detail the Car

First impressions matter. Wash, wax, and vacuum the interior. Remove personal items and fix minor stains. A clean car looks cared for and can increase offers by $200 to $500.

Fix Minor Issues

Replace burnt-out bulbs, fix cracked trim, and address small mechanical problems. These low-cost fixes make the car more appealing and show buyers you’ve maintained it.

Gather Maintenance Records

Compile all service receipts, oil change logs, and repair invoices. Organize them in a folder or digital file. This builds trust and can justify a higher asking price.

Price Competitively

Research similar listings in your area. Price your car fairly—don’t overprice based on emotion. A well-priced STS sells faster and often for closer to asking price.

Advertise Effectively

Use high-quality photos from multiple angles. Highlight key features like low mileage, V8 engine, or rare options. Post on platforms like Craigslist, Facebook Marketplace, and Autotrader.

Be Honest and Transparent

Disclose any known issues upfront. Honesty builds trust and reduces the chance of disputes or returns.

Conclusion: Is the 2007 Cadillac STS Worth It?

So, how much is a 2007 Cadillac STS worth? The answer depends on you—your needs, budget, and expectations. For under $8,500, you can own a luxury sedan with a powerful V8, premium features, and a smooth ride. It’s not the newest or most reliable car on the road, but for the right buyer, it offers exceptional value.

If you’re looking for a comfortable, stylish daily driver with a touch of performance, the 2007 STS is a solid choice—especially if you find a well-maintained, low-mileage example. Just be prepared for potential repairs and do your homework before buying.

For sellers, the key to getting top dollar is presentation, transparency, and pricing. A little effort can go a long way in attracting serious buyers.

Ultimately, the 2007 Cadillac STS may not be the flashiest used car on the market, but it still has a lot to offer. With the right care and attention, it can be a rewarding ownership experience—and a smart financial decision.

Frequently Asked Questions

What is the average price of a 2007 Cadillac STS?

The average price ranges from $3,000 to $8,500, depending on mileage, condition, and trim level. Lower-mileage V8 models typically command the higher end of this range.

Is the 2007 Cadillac STS reliable?

The STS is generally reliable if well-maintained, but it has known issues with the transmission, electrical systems, and suspension. Regular service and timely repairs are key to longevity.

How many miles can a 2007 Cadillac STS last?

With proper maintenance, a 2007 STS can last 150,000 to 200,000 miles or more. The Northstar V8 engine is durable, but neglect can lead to premature failure.

What is the best trim for a 2007 Cadillac STS?

The Luxury or Performance trim with the 4.6L V8 and optional AWD offers the best balance of power, features, and comfort. The STS-V is ideal for performance enthusiasts.

Should I buy a 2007 Cadillac STS with high mileage?

It depends on condition and maintenance history. A high-mileage STS with full service records and no major issues can be a good buy, but budget for potential repairs.

Can I negotiate the price of a used 2007 Cadillac STS?

Yes, negotiation is common in the used car market. Use any mechanical issues, high mileage, or needed repairs as leverage to lower the price.