Are you struggling to find the right tire size for your 2008 Acura TL? Understanding your vehicle’s correct tire specifications is crucial for optimal performance, safety, and handling.
The 2008 Acura TL comes with exact tire size requirements that vary slightly depending on whether you have the base model or Type-S version. Getting the right fit ensures proper speedometer readings, appropriate ground clearance, and the driving experience Acura engineers intended. With the right information about your 08 Acura TL tire size, you’ll be equipped to make smart decisions when it’s time for replacement or if you’re considering upgrading your wheels.
Understanding the 08 Acura TL Tire Size Specifications
The 2008 Acura TL uses exact tire sizes designed to optimize the vehicle’s performance characteristics. Standard models come equipped with P235/45R17 tires, while the sportier Type-S variant features larger P235/45R18 tires. These designations contain crucial information about your tire’s dimensions and capabilities.
Let’s break down what these numbers mean:
- P: Indicates a passenger vehicle tire
- 235: Represents the tire width in millimeters
- 45: Shows the aspect ratio (the sidewall height is 45% of the tire width)
- R: Signifies radial construction
- 17/18: Refers to the wheel diameter in inches
Knowing these specifications matters for several practical reasons. Your TL’s handling characteristics depend heavily on maintaining the correct tire dimensions. Incorrect sizing can affect your speedometer accuracy, potentially causing you to travel at speeds different than what’s displayed.
Fuel economy also suffers with improper tire sizes. Our customer Liam Kohn recently shared, “After accidentally installing slightly oversized tires on my ’08 TL, I noticed my gas mileage dropped by nearly 2 MPG. Switching back to the factory-recommended size immediately improved efficiency.”
The factory specifications weren’t chosen randomly—Acura engineers determined these exact dimensions after extensive testing to balance comfort, performance, and longevity. Deviating from these specifications typically results in compromised driving dynamics or accelerated component wear.
Type-S models use the larger 18-inch wheel diameter to accommodate performance-oriented tires with stiffer sidewalls and enhanced grip capabilities. This upgrade delivers the sharper handling expected from Acura’s performance trim while maintaining acceptable ride comfort for daily driving.
Always confirm your exact model’s tire requirements by checking the driver’s side door jamb placard or consulting your owner’s manual to ensure you’re selecting the appropriate replacement tires for your particular 2008 Acura TL.
OEM Tire Sizes for the 2008 Acura TL
The 2008 Acura TL comes equipped with exact tire sizes designed to optimize performance and handling characteristics. These factory specifications differ slightly between the base model and the performance-oriented Type-S variant.
Base Model Tire Specifications
The standard 2008 Acura TL base model features 235/45R17 tires on both the front and rear wheels. These tires provide a balanced combination of comfort and performance for everyday driving conditions. The specification breaks down as follows: 235mm tread width, 45% aspect ratio (sidewall height relative to width), R for radial construction, and 17-inch wheel diameter. This tire size delivers precise handling response while maintaining ride comfort, making it ideal for the luxury sports sedan experience that Acura aimed to achieve with the base TL model.
Type-S Model Tire Specifications
The 2008 Acura TL Type-S model utilizes the same 235/45R17 tire size as the base model for both front and rear positions. Even though being the performance-oriented trim, the Type-S maintains this tire specification while incorporating other performance enhancements to distinguish it from the standard model. The 235mm width provides substantial contact with the road surface, improving grip during cornering and braking maneuvers. These OEM tires complement the Type-S’s sport-tuned suspension and increased power output, creating a cohesive performance package without sacrificing everyday drivability.
| Trim Level | Front Tire Size | Rear Tire Size |
|---|---|---|
| Base Model | 235/45R17 | 235/45R17 |
| Type-S | 235/45R17 | 235/45R17 |
Decoding Tire Size Markings on Your Acura TL
Understanding the tire size markings on your 2008 Acura TL helps you make informed decisions when it’s time for replacements. These cryptic numbers and letters on your tire’s sidewall contain vital information about dimensions and compatibility with your vehicle.
Width, Aspect Ratio, and Rim Diameter Explained
The standard 235/45R17 tire size for the 2008 Acura TL breaks down into three essential measurements. The first number (235) represents the tire width in millimeters from sidewall to sidewall. A wider tire like this provides greater road contact and typically offers improved handling performance in dry conditions.
The middle number (45) indicates the aspect ratio, showing the tire’s sidewall height as a percentage of its width. In this case, the sidewall height equals 45% of the 235mm width. Lower aspect ratios create stiffer sidewalls that enhance cornering stability and responsiveness.
The final part (R17) combines the construction type and rim diameter. “R” stands for radial construction, the most common tire type in modern vehicles. The number 17 specifies that these tires fit 17-inch diameter wheels. Some sportier Acura TL trims offer alternative sizes like 235/40R18 or 245/40R19, featuring larger rim diameters with compensating aspect ratios to maintain similar overall tire circumference.
This sizing system ensures you can find exact replacements or appropriate alternatives that maintain proper fitment and performance characteristics. Each component of the tire size marking plays a crucial role in how your Acura TL handles, rides, and responds on the road.
Recommended Replacement Tire Options
The 2008 Acura TL offers flexibility in tire selection to match your driving preferences and local climate conditions. Choosing the right replacement tires enhances your vehicle’s performance characteristics while ensuring safety on the road.
All-Season Performance Tires
All-season performance tires deliver balanced handling, traction, and comfort across varying weather conditions throughout the year. These versatile options perform well in light snow, rain, and dry pavement, making them practical for drivers who experience diverse climate patterns. For the 2008 Acura TL, the 235/45R17 size represents the most common specification for all-season tires, fitting both standard and Type-S trims. The balanced tread pattern on these tires ensures consistent grip while maintaining a comfortable ride quality during daily commutes.
High-Performance Summer Tires
High-performance summer tires maximize grip, responsiveness, and handling on dry and wet roads during warmer months. These tires feature specialized rubber compounds that excel in higher temperatures but aren’t suitable for winter conditions. The 2008 Acura TL can accommodate summer performance tires in either 235/45R17 size for standard wheels or 235/40R18 for models equipped with 18-inch wheels. Summer tires provide enhanced cornering abilities and superior feedback through the steering wheel, creating a more captivating driving experience on winding roads. Their aggressive tread patterns deliver exceptional wet traction while maintaining stability during high-speed maneuvers.
| Trim/Option | Typical Tire Size |
|---|---|
| Standard | 235/45R17 |
| Type-S | 235/45R17 |
| Other trims | 235/40R18 (possible) |
Benefits of Proper Tire Sizing for Your Acura TL
Equipping your 2008 Acura TL with the correct tire size delivers important performance benefits and enhanced safety. The manufacturer-recommended sizes of 225/55R17 or 235/45R17 ensure your vehicle functions as the engineers intended.
Handling and Performance Considerations
Proper tire sizing dramatically enhances your Acura TL’s handling characteristics and overall road performance. Using manufacturer-recommended tire sizes guarantees precise steering response and stable cornering behavior during both everyday driving and emergency maneuvers. The 235/45R17 tires found on many 2008 TL models provide an optimal balance between responsive handling and comfortable ride quality. Larger performance tires with rigid sidewalls offer improved cornering grip and more effective braking distances, particularly important when handling challenging road conditions. Your TL’s Anti-lock Braking System (ABS) and Electronic Brake Force Distribution (EBD) systems work most effectively with correctly sized tires, as these safety features are calibrated specifically for the original tire specifications.
Fuel Economy Impact
Correct tire sizing plays a crucial role in maximizing your Acura TL’s fuel efficiency. Factory-specified tires typically feature compounds designed to reduce rolling resistance, which directly translates to better gas mileage in both city and highway driving. Oversized tires create more friction against the road surface, forcing your engine to work harder and consume additional fuel to maintain speed. The recommended 225/55R17 or 235/45R17 sizes strike an ideal balance between performance capabilities and energy efficiency. Low rolling resistance tires in the proper size can improve your TL’s fuel economy by reducing the energy lost through tire deformation during normal driving conditions. Many high-quality tires designed for the TL incorporate special tread patterns and rubber compounds that maintain optimal contact with the road while minimizing unnecessary drag.
Common Tire Size Upgrade Options
Many 2008 Acura TL owners choose to upgrade their stock tires for enhanced performance and aesthetics. Plus sizing offers several alternatives to the factory 235/45R17 specification while maintaining overall diameter to preserve vehicle systems’ functionality.
Pros and Cons of Plus Sizing
Plus sizing your 2008 Acura TL tires delivers noticeable performance benefits alongside some practical compromises. The improved handling and cornering result from lower sidewalls that reduce tire flex during aggressive driving maneuvers. Your TL’s appearance transforms with larger wheels creating a sportier stance that many enthusiasts prefer. Braking performance can also improve with wider tires providing increased contact patch for better grip during stops.
These advantages come with tradeoffs worth considering before upgrading. Ride comfort decreases significantly due to the stiffer sidewalls offering less cushioning against road imperfections. Your risk of tire and wheel damage increases when encountering potholes or road debris that the thinner sidewalls can’t absorb as effectively. Replacement and maintenance costs climb substantially with larger tires and wheels typically commanding premium prices. Fuel economy might suffer due to the increased rolling resistance and added weight of larger wheel/tire combinations.
For optimal results, maintain your tire’s overall diameter within 3% of the original specification to prevent issues with the TL’s ABS, traction control systems, and speedometer accuracy. Popular upgrade paths include moving to 235/40R18 tires (increasing wheel diameter while reducing profile), 245/40R18 options (slightly wider for enhanced grip), or 245/35R19 configurations for those seeking maximum visual impact and performance enhancement.
Seasonal Tire Considerations for the Acura TL
Summer and Performance Tires
Summer and performance tires offer superior grip and handling for your 2008 Acura TL during warmer months. The 235/40R18 size provides enhanced cornering ability and responsiveness that complements the TL’s sporty character. Performance tires feature specialized rubber compounds that maintain optimal contact with dry pavement, giving you confidence during spirited driving. Their stiffer sidewalls and aggressive tread patterns contribute to the precise steering feedback that Acura TL drivers appreciate in demanding driving situations.
Winter Tires
Switching to winter tires becomes essential when temperatures drop and snow or ice appears on your regular routes. Compatible winter tire sizes for the 2008 Acura TL include the standard 235/45R17 or 235/40R18 for upgraded wheels. Winter tires use special rubber compounds that remain flexible in cold temperatures, unlike all-season or summer tires that harden and lose traction. Their deeper tread patterns with many sipes effectively channel away slush and bite into snow, dramatically improving braking distances and cornering stability in winter conditions.
All-Season Tires
All-season tires in the stock 235/45R17 size offer a practical compromise for Acura TL owners who prefer not to change tires seasonally. These versatile options provide acceptable performance across various weather conditions, though they don’t excel in extreme situations like dedicated seasonal tires. The balanced tread design combines elements from both summer and winter tires, delivering reasonable wet traction, modest snow capability, and comfortable year-round driving. Many TL owners in moderate climate regions find all-season tires sufficient for their daily driving needs.
| Trim / Model Version | Stock Tire Size | Typical Seasonal Use |
|---|---|---|
| Standard TL | 235/45R17 | All-season or summer/performance tires |
| Type-S TL | 235/45R17, 235/40R18 | Performance summer or dedicated winter tires |
Choosing tires appropriate for your local climate conditions maximizes both safety and driving enjoyment in your 2008 Acura TL. The factory-recommended sizes ensure proper fitment while seasonal tire selection addresses exact performance needs throughout the year. Performance enthusiasts in warm climates often prefer the responsive handling of summer tires, while drivers in snow-belt regions benefit significantly from dedicated winter rubber during colder months.
Conclusion
Selecting the right tire size for your 2008 Acura TL isn’t just about following specifications—it’s about optimizing your driving experience. Whether you stick with the factory recommended 235/45R17 tires or explore upgrade options like 235/40R18 for the Type-S model you’ll be balancing performance handling and comfort.
Remember that proper tire sizing affects everything from fuel economy to handling precision and safety. Always verify your exact requirements on the driver’s door jamb placard or in your owner’s manual before making a purchase.
By understanding tire size designations and considering your driving habits and local climate you’ll make informed decisions that keep your Acura TL performing at its best for years to come.
Frequently Asked Questions
What is the correct tire size for a 2008 Acura TL?
The standard tire size for a 2008 Acura TL is P235/45R17 for both the base model and Type-S version. This sizing indicates a width of 235mm, aspect ratio of 45%, radial construction, and 17-inch wheel diameter. Always verify the exact specifications on the driver’s side door jamb placard or in your owner’s manual to ensure proper tire selection.
Can I upgrade my 2008 Acura TL tire size?
Yes, you can upgrade your 2008 Acura TL tire size through “plus sizing.” Popular upgrade options include 235/40R18, 245/40R18, or 245/35R19. However, maintain the overall diameter within 3% of original specifications to avoid issues with ABS and traction control systems. While larger wheels improve handling and aesthetics, they may reduce ride comfort and increase risk of tire damage.
What happens if I install the wrong tire size on my Acura TL?
Installing incorrect tire sizes can cause inaccurate speedometer readings, decreased fuel economy, compromised handling, and potential damage to your vehicle’s suspension components. It may also affect your TL’s ground clearance and overall performance characteristics. Improper sizing can interfere with the proper functioning of electronic stability systems and compromise safety during emergency maneuvers.
What types of tires are recommended for the 2008 Acura TL?
For the 2008 Acura TL, all-season performance tires (235/45R17) provide balanced handling and traction in various weather conditions. High-performance summer tires offer enhanced grip and responsiveness in warmer months. Winter tires (235/45R17 or 235/40R18) are essential for cold climates. Choose based on your driving preferences, local climate, and whether you have the base model or Type-S.
How does tire size affect fuel economy in the Acura TL?
Factory-specified tire sizes (225/55R17 or 235/45R17) are designed to optimize fuel economy by reducing rolling resistance. Oversized tires create more friction and can increase fuel consumption by creating additional drag. The recommended sizes strike an ideal balance between performance and efficiency, with high-quality tires featuring tread patterns and compounds that minimize energy loss while maintaining proper road contact.
Do the base model and Type-S use different tire sizes?
No, both the base model and Type-S version of the 2008 Acura TL use the same P235/45R17 tire size. The performance difference comes from the Type-S’s sport-tuned suspension and increased power output rather than different tire dimensions. This shared tire specification allows for enhanced grip and handling in the Type-S while maintaining consistency across the model line.
What does the tire size P235/45R17 actually mean?
P235/45R17 breaks down as follows: “P” indicates passenger vehicle tire, “235” is the width in millimeters, “45” is the aspect ratio (sidewall height is 45% of the width), “R” means radial construction, and “17” is the wheel diameter in inches. This standardized format provides critical information about the tire’s dimensions and construction type for proper vehicle fitment.
What seasonal tires work best for the 2008 Acura TL?
For warm weather, summer performance tires (235/40R18) provide superior grip and handling. In cold climates, winter tires (235/45R17 or 235/40R18) maintain flexibility and traction in snow and ice. All-season tires (235/45R17) offer a practical year-round compromise. Choose based on your local climate conditions to maximize safety and driving enjoyment throughout all seasons.
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