What Size Tires Are on a 2014 Audi Q7?

The 2014 Audi Q7 typically comes with 19-inch tires in size 255/50R19 on most trims, but factory options and packages mean some models use 18-inch (255/55R18) or 20-inch (275/45R20) tires, and high-performance or S line–equipped versions may be fitted with 21-inch tires such as 295/35R21. The exact tire size for a given vehicle depends on trim level, wheel package, and market, so owners should confirm using the vehicle’s tire placard or owner’s manual.

Factory Tire Sizes for the 2014 Audi Q7

The 2014 Audi Q7 was offered with multiple wheel and tire configurations from the factory. These were tied to trim levels (Premium, Premium Plus, Prestige) and option packages (S line, sport packages, appearance packages). While 255/50R19 tires are among the most common in North America, other sizes were also officially used.

Common OEM Tire Sizes by Wheel Diameter

The following list summarizes the main factory tire sizes that were commonly fitted to the 2014 Audi Q7, grouped by wheel diameter. This helps you quickly identify which size you are most likely to see on a stock vehicle, depending on its wheels.

• 18-inch wheels: 255/55R18
• 19-inch wheels: 255/50R19
• 20-inch wheels: 275/45R20
• 21-inch wheels (S line / sport / high-end packages): 295/35R21 (or market-specific variations close to this size)

These sizes reflect the main OEM configurations seen on 2014 Q7 models in markets like the U.S. and Europe, but minor regional variations may exist, so checking the placard on the vehicle itself remains the final authority.

How to Confirm the Correct Tire Size on Your Q7

Because Audi offered multiple wheel packages, the most reliable way to know the correct tire size for your specific 2014 Q7 is to check the vehicle’s documentation and labels rather than relying solely on model-year information.

Where to Find the Official Tire Size Information

The following list explains the main places where Audi lists the official recommended tire sizes and pressures for the 2014 Q7. Checking at least one of these sources will confirm the exact factory-spec tire size for your vehicle.

• Driver’s door jamb sticker (tire placard): Open the driver’s door and look at the pillar or door edge; a label shows recommended tire sizes and pressures for front and rear axles, often for several wheel options.
• Owner’s manual: The tire and wheel section lists approved sizes for different wheel diameters, sometimes including winter tire options.
• Existing tire sidewalls: Read the size printed on your current tires (e.g., 255/50R19); if you know they were fitted to OEM wheels and match the placard, that is usually the correct size.
• Audi dealer or official parts catalog: Providing your VIN to a dealer or using an official parts lookup can confirm the original wheel and tire spec your Q7 left the factory with.

By cross-checking at least the door jamb sticker with your current tire sidewall, you can be confident that you are using a size that matches Audi’s recommendations for safety, performance, and load capacity.

Understanding the Tire Size Numbers

Each tire size code (such as 255/50R19) carries specific information about width, aspect ratio, construction, and wheel diameter. Knowing how to read this helps owners understand differences between the various Q7 tire options and why Audi pairs certain sizes with particular wheel diameters.

Breaking Down a Typical Q7 Tire Size

The following explanations decode the most important elements of a tire size like 255/50R19, which is common on 2014 Audi Q7 models. This can help you compare tires logically when considering replacements or upgrades.

1. Width (255): The first number (e.g., 255) is the tire’s width in millimeters from sidewall to sidewall. Wider numbers (275, 295) indicate a broader contact patch.
2. Aspect ratio (50): The second number is the sidewall height expressed as a percentage of the width. A “50” means the sidewall height is 50% of 255 mm.
3. Construction (R): The “R” denotes radial construction, which is standard on modern passenger and SUV tires.
4. Wheel diameter (19): This is the diameter of the wheel in inches that the tire is designed to fit (18, 19, 20, 21 inches on a 2014 Q7).
5. Load index and speed rating (e.g., 111H, 110V): Following the size code, these characters indicate how much weight a tire can safely carry and at what maximum speed it is rated to operate.

Understanding these elements ensures you choose replacement tires that match not only the wheel diameter but also the load and speed requirements appropriate for a heavy, premium SUV like the Q7.

Why Tire Size Varies Between 2014 Q7 Models

Different 2014 Audi Q7 configurations, including engine options, trim levels, and appearance or sport packages, led to a range of factory tire sizes. Each size balances comfort, handling, and aesthetics in a specific way.

Factors Influencing Tire Size Choices

The factors below explain why a 2014 Q7 might be equipped with 18-inch wheels in some cases and 21-inch wheels in others, and what that means for everyday driving.

• Trim and equipment level: Base or comfort-oriented trims were more likely to come with 18- or 19-inch wheels, prioritizing ride comfort and tire longevity.
• Sport or S line packages: Sport and S line variants tended to receive larger 20- or 21-inch wheels with wider, lower-profile tires for sharper handling and a more aggressive look.
• Regional market differences: Certain markets emphasize winter performance or ride comfort, prompting manufacturers to favor slightly different standard or optional sizes.
• Aesthetic preferences: Larger wheels fill the wheel arches and change the vehicle’s stance, which many buyers consider a key styling upgrade, even at the cost of a firmer ride.
• Load and towing considerations: The Q7’s capacity for passengers and cargo requires tires with adequate load ratings across all sizes; Audi’s approved sizes take that into account.

These factors mean that two 2014 Q7s parked side by side may wear different tire sizes from the factory, even though both configurations are officially supported by Audi.

Replacing Tires on a 2014 Audi Q7

When it comes time to replace tires on a 2014 Audi Q7, sticking close to Audi’s recommended sizes is essential for maintaining safe handling, correct speedometer readings, and proper functioning of ABS and stability control systems.

Best Practices When Selecting Replacement Tires

The following points outline key considerations when choosing replacement tires for your Q7, whether you are replacing worn rubber or switching between summer and winter setups.

• Match the OEM size on the placard: Use the tire size listed on the door jamb sticker for your wheel diameter; this is the reference Audi calibrated the vehicle around.
• Respect load index and speed rating: Do not choose tires with a lower load index or speed rating than specified, as this can compromise safety and legal compliance.
• Keep overall diameter similar if changing wheel size: If you upgrade wheels (e.g., from 18-inch to 20-inch), use an Audi-approved size so the overall rolling diameter stays within acceptable tolerance.
• Consider seasonal sets: Some owners use 18- or 19-inch wheels with higher-profile tires for winter and 20- or 21-inch wheels with lower-profile tires for summer, balancing comfort and performance year-round.
• Use reputable brands and SUV-rated models: Given the Q7’s weight and performance, high-quality all-season or performance SUV tires from established manufacturers are strongly recommended.

Following these guidelines ensures that your replacement tires support the Q7’s braking, cornering, and ride comfort as originally intended, while also complying with safety standards and preserving resale value.

Summary

The 2014 Audi Q7 was offered with several factory tire sizes, most commonly 255/50R19 on 19-inch wheels, but also 255/55R18, 275/45R20, and performance-focused 295/35R21 on larger wheel packages. Because exact fitment depends on trim level, equipment, and market, the definitive source for your vehicle’s correct tire size is the tire information placard in the driver’s door jamb and the owner’s manual. Matching these specifications—especially tire size, load index, and speed rating—ensures that replacement tires maintain the Q7’s safety, handling, and comfort characteristics as Audi designed them.