Buick vs. Infiniti: Which Brand Offers Better Used Value?
You’re looking at a used luxury SUV, and you’ve narrowed it down to two names that seem to offer a lot of style for the money—Buick and Infiniti.
Both brands deliver premium features without the German price tag, but when it comes to long-term value, the choice isn’t as simple as which one looks better in the driveway. One brand tends to hold its value a bit better, while the other might offer a more reassuring ownership experience. Let’s break down the numbers and see which one actually puts more money back in your pocket.
TL;DR
Buick generally holds its value better than Infiniti over five years, with models like the Envision losing about 53% of their value compared to the QX50’s 58% loss . However, Infiniti offers stronger Certified Pre-Owned warranty programs, lower-than-average repair costs, and some models with excellent long-term reliability . The better used value depends on how long you plan to keep the vehicle and whether you prioritize resale value or warranty protection.
Key Takeaways:
- Buick wins on depreciation: Buick SUVs retain 2-5% more value than comparable Infiniti models after five years .
- Infiniti offers stronger CPO protection: Elite warranty coverage extends up to 8 years/unlimited miles with a $0 deductible .
- Infiniti maintenance costs are lower than luxury rivals: The QX60 averages about $640 annually for repairs, well below the $1,127 average for luxury SUVs .
- Infiniti Q50 made a reliability list: The luxury sedan ranks among the most reliable 5-year-old used cars for the money .
- New pricing gap matters: Buick typically starts thousands less than Infiniti, making the initial purchase more affordable .
The Numbers: Depreciation and Resale Value
Let’s get straight to the data that matters most when buying used: how much value you’ll lose.
Luxury Compact SUVs: Buick Envision vs. Infiniti QX50
When you compare the Buick Envision directly against the Infiniti QX50, the numbers tell a clear story. After five years of ownership:
- The Infiniti QX50 loses about 57.7% of its original value .
- The Buick Envision loses about 53.3%, meaning it retains 4.4 percentage points more .
That translates to real money. A used 2025 QX50 ranges from $36,082 to $52,325, while a used 2025 Envision runs $34,890 to $45,587—and the Buick starts cheaper new, too .
Three-Row SUVs: Buick Enclave vs. Infiniti QX60
The same pattern holds true for the larger SUVs:
- The Infiniti QX60 loses 61.2% of its value over five years.
- The Buick Enclave loses 58.5%, holding onto 2.6% more value .
The Big Picture for Both Brands
Looking across each brand’s lineup, the trend continues. Buick consistently depreciates less than Infiniti in comparable vehicle comparisons. Buick also offers lower used vehicle starting prices and better retained value ratings overall .
Beyond Depreciation: What You Actually Get
Numbers on a page don’t tell the whole story. Here’s what matters when you’re actually shopping.
Certified Pre-Owned Programs: A Major Infiniti Advantage
This is where Infiniti makes a compelling case. If you’re buying used from a dealer, the warranty coverage can make a huge difference in your peace of mind.
Infiniti CPO programs are among the best in the industry:
- Standard CPO warranty: Up to 6 years/75,000 miles from the original in-service date with a $0 deductible .
- For higher-mileage vehicles: 6 years/unlimited miles warranty if purchased within 48 months of original sale .
- Elite CPO Wrap adds 8 years/unlimited miles coverage on over 220 vital components with expanded infotainment coverage .
- Includes 1 year of prepaid maintenance and roadside assistance .
Buick CPO offers solid coverage too:
- 12 months/12,000 miles bumper-to-bumper from purchase date .
- 5 years/100,000 miles powertrain from the original purchase date .
- 172-point inspection and 24-hour roadside assistance .
The difference? Infiniti’s CPO coverage is more generous on high-mileage vehicles, and the Elite upgrade option is hard to beat .
Reliability: It’s Closer Than You Think
When it comes to keeping a used car on the road without expensive surprises, both brands perform respectably.
- Buick has the edge in overall quality, reliability, and safety ratings in direct brand comparisons .
- However, the Infiniti QX60 actually rates higher than the Buick Enclave in reliability scores (7.9 vs. 7.8 out of 10) .
- The Infiniti QX60 has a 33% chance of needing a major repair in its first decade—about 5% better than similar luxury SUVs .
- The Infiniti QX80 ranks first out of 19 full-size luxury SUVs for reliability, with a 3.5 out of 5.0 score .
One particularly telling data point: the Infiniti Q50 made iSeeCars’ list of the most reliable 5-year-old used cars for the money in 2025, with an expected remaining lifespan of 10.6 years .
Maintenance Costs: Infiniti Is Better Than You’d Think
Luxury cars have a reputation for costly repairs, but Infiniti bucks that trend in some important ways.
QX60 maintenance costs:
- Average annual repair cost: $640 vs. $1,127 for full-size luxury SUVs .
- 5-year maintenance outlook: $3,740, nearly $1,800 below industry average .
- Likelihood of severe repairs: 10% vs. 19% for similar vehicles .
QX80 maintenance costs:
- Average annual repair cost: $718 vs. $1,127 for full-size luxury SUVs .
- 5-year maintenance outlook: $4,117, nearly $1,400 below industry average .
Which One Should You Buy Used?
Your choice comes down to what matters most to you.
Choose Buick if you:
- Plan to sell the car within 5 years and want to maximize resale value.
- Prefer a lower initial purchase price on both new and used models.
- Want slightly better overall brand reliability ratings.
- Value a quieter, more comfort-focused driving experience.
Choose Infiniti if you:
- Plan to keep the car for 7-10 years and want the peace of mind of excellent CPO warranty coverage.
- Are buying a higher-mileage used car and want unlimited-mile warranty protection.
- Want a more powerful, engaging driving experience.
- Value the lower annual maintenance costs that data shows for models like the QX60 and QX80.
“The most reliable used cars for the money tend to be small, low-cost economy cars, but the Infiniti Q50 luxury sedan makes the list by having a relatively low used car price and over 10 years of remaining life” .
Which Used Model Years Are the Best Deals?
Infiniti Sweet Spots
- 2023 QX60: Average price around $34,000 with about 20,000-38,000 miles—significant savings vs. the new 2026 model starting at $51,590 .
- 2020-2024 QX80: Used examples as low as $23,987, compared to $83,750 for a new 2026 model .
- 2023 model year generally offers the best value for Infiniti buyers, paying about 59% of new price with 83% of useful life remaining .
Buick Sweet Spots
- 5-year-old Buick Encore ranked #3 on iSeeCars’ most reliable used cars for the money list, with an average price of $16,633 .
- Used Buick SUVs consistently start lower than comparable Infinitis in the same model year range .
Frequently Asked Questions
Does Buick or Infiniti hold its value better?
Buick models consistently retain more value than comparable Infiniti vehicles. For example, the Buick Envision loses 53.3% over five years while the Infiniti QX50 loses 57.7% .
Which brand has a better CPO warranty?
Infiniti offers one of the strongest CPO programs in the industry, with coverage extending up to 8 years/unlimited miles on eligible vehicles and a $0 deductible on the standard program . Buick’s CPO is solid but less generous .
Are Infiniti cars expensive to maintain?
Not compared to other luxury brands. The QX60 averages $640 per year in repairs compared to $1,127 for similar luxury SUVs . Five-year maintenance costs are nearly $1,800 below the industry average .
Which brand is more reliable, Buick or Infiniti?
It depends on the model. Buick has an edge in overall brand reliability ratings , but specific Infiniti models like the QX60 and QX80 have strong reliability scores that rank well in their categories .
What’s the best used Infiniti model to buy?
The 2022-2025 QX60 offers excellent value with lower-than-average repair costs and strong reliability ratings . The 2020-2024 QX80 also presents significant savings compared to newer models .
What’s the best used Buick model to buy?
The Buick Encore was ranked as one of the most reliable 5-year-old used cars for the money, with an average price under $17,000 . The Envision also offers excellent value with lower depreciation than competitors .
Which brand should I choose for long-term ownership?
If you plan to keep the car for more than 5-7 years, Infiniti’s excellent CPO warranty and lower-than-average maintenance costs could make it the better choice . For shorter-term ownership where resale value matters more, Buick is the safer bet .
Which used luxury SUV fits your budget and driving style better—a value-holding Buick or a well-warranted Infiniti? Share your thoughts in the comments!
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