145SR15 78S TL XZX Blackwall Tire
Michelin XZX radial is available for many popular European applications requiring a 15 inch radial tire and authentic styling. These 15 inch radial tires feature Michelin's XZX tread pattern and an S speed rating. With radial casing plies, Michelin XZX Tires offered a considerable advance in technology. Its revolutionary construction for the time had the special feature of separating the sidewall function from the crown function. The first major innovation from Michelin, the radial tire was first marketed as the "X" tire in 1949. At that time, Lancia was the first car manufacturer to fit the X tire as original equipment on the Aurelia model. From 1955, radial technology became more popular and the majority of European car manufacturers opted for the radial solution. The X could be fitted to cars of very different categories, from the original and popular 2 CV or Beetle to the fascinating Mercedes 190SL or Facel Vega. The advantages of the radial tire compared with the cross-ply tire could be clearly seen in all areas :- greater safety (road-holding, grip, braking)- economical to use (double the mileage, considerable reduction in fuel consumption) - increased comfort thanks to the flexibility of the sidewalls. In the Fifties, the superiority of the X tire was such that a number of racing drivers adopted it, although Michelin was not officially involved in any racing.
Blackwall Tire
Since the introduction of carbon black rocked the tire industry, the original recipe for most tires has been a solid black sidewall. For classics and collector cars alike, it's hard to beat the no-nonsense appeal of a classic blackwall style tire. British sports car, classic truck and even hot rod enthusiasts love the way a nice period correct blackwall tire looks on their vehicles.
S Speed Rating
S Speed Rated: Up to 112 mph (180 km/h). Often required OE for higher performance trim level classic automobiles.
Michelin XZX
The ultimate X evolution, The MICHELIN XZX: the Michelin ZX evolution that provides even more driving sensations. At the end of 1975, the XZX succeeded the highly popular ZX tire. Thanks to the two large circumferential grooves and its continuous lateral grooves, the "MICHELIN XZX" tire provides excellent drainage in the contact patch. The numerous sipes provide excellent lateral grip on snow-covered surfaces. Fitments for Volkswagen, Volvo, Smart, Peugeot and others.
Michelin Brand Classic Tires
Michelin is known for its high quality tires, and we keep thousands of popular Michelin tires in stock every day. Our Michelin product offerings include fitments from the 1920's all the way into the 2000's, with an intense focus on classic sports cars. Build quality, fitment options and period correct styling makes the Michelin product line a favorite among sports car enthusiasts around the world.
Please Note
- Tire mounted on wheel for demonstration purposes only. Wheel and other accessories are not included. Please note that dimensions listed (tread width, section width and overall diameter) are non-scientific and based on an inflated tire, mounted to a wheel. Dimensions may vary due to rim width and inflation pressure.
| SKU | 56040 |
|---|---|
| Weight | 20.000000 |
| Brand | Michelin |
| Product Size | 145SR15 78S TL |
| Tube Type or Tubeless | Tubeless |
| Rim Diameter | 15 inch |
| Tire Construction | Radial |
| Tire Series | Michelin XZX |
| Speed Rating | S |
| DOT Approved | Yes |
| Width Radial | 145 mm |
| Sidewall Style | Blackwall |
| Radial Aspect Ratio | 80 |
| Load Index | 78 |
| Service Description | 78S |
| GTIN | 08669955187 |
| Section Width (IN) | 5.6 |
| Rim Width (in) | 3.50 - 5.00 |
| Overall Diameter (IN) | 24.3 |
| Availability Date | 2026-11-23T00:00:00Z |
This Michelin XZX | 145SR15 78S comes in the 145R15 size, suitable for the classic and collector vehicles listed below.
About the 145R15 Tire Size
The 145R15 size is the associated tire size for Michelin XZX | 145SR15 78S. This size is linked to a variety of vehicle applications shown on this page, including select DKW, Lotus, Panhard, Renault, and Saab models across multiple model years.
For more detailed tire size and vehicle fitment information, explore the 145R15 tire on the Coker Tire Fitment Guide.
Vehicle Fitment for the Michelin XZX | 145SR15 78S
The Michelin XZX | 145SR15 78S is available in a tire size associated with a range of classic and collector vehicles. The vehicle applications below are organized by year, make, and model to help identify vehicles associated with the 145R15 size. Explore the linked Make & Model and Year Make & Model pages for more detailed fitment information.
Fitment information should be verified for the specific vehicle before purchase. Confirm tire size, wheel fit, load requirements, overall diameter, and available clearance.
1951–19551 make · 1 fitment
The 1951–1955 period includes an early 145R15 application for DKW. This range is narrowly focused but still ties the size to a distinct vehicle application.
DKW
DKW fitment in this period is represented by the F89.
1956–19605 makes · 11 fitments
The 1956–1960 period includes 145R15 applications across Renault, Saab, Lotus, and Panhard, along with DKW-related small-car fitment continuity into the era. This group shows a broader spread of vehicles associated with the size.
Saab
Saab applications in this period include the Saab 92 & 93.
Renault
Renault applications in this period include the CV and Daughine.
Lotus
Lotus fitment in this period is represented by the Seven.
Panhard
Panhard fitment in this period is represented by the PL 17.
1961–19653 makes · 10 fitments
The 1961–1965 period includes 145R15 applications across Panhard, Renault, and Saab. This range covers multiple makes and several recurring model lines associated with the size.
Panhard
Panhard applications in this period include the PL 17 and CD.
Saab
Saab applications in this period include the Saab 92 & 93.
Renault
Renault applications in this period include the Caravelle and Renault.
1966–19701 make · 3 fitments
The 1966–1970 period continues 145R15 applications for Renault. These later listings keep the size tied to the Renault model applications shown here.
Renault
Renault fitment in this period is represented by the Renault.
Frequently Asked Questions
Fitment & Compatibility â–¼
Which vehicles are commonly compatible with the Michelin XZX 145SR15 78S Blackwall Tire? â–¼
The Michelin XZX 145SR15 78S Blackwall Tire is commonly associated with classic European applications including Volkswagen, Volvo, Peugeot, and other vehicles that used narrow 15-inch radial tires. The tire’s authentic Michelin XZX design makes it especially relevant for restorations where maintaining original appearance and driving characteristics is important.
Vehicle compatibility should always be confirmed by comparing the factory tire specifications rather than relying only on make and model. Wheel size, suspension configuration, and previous modifications can affect whether the Michelin XZX 145SR15 78S Blackwall Tire is the correct choice.
What clearance checks should I perform before installing the Michelin XZX 145SR15 78S Blackwall Tire? â–¼
Before installing the Michelin XZX 145SR15 78S Blackwall Tire, inspect clearance at the fenders, suspension components, steering linkage, and brake assemblies. Although the narrow 145 mm section width helps reduce interference concerns, modified vehicles may have different requirements than original configurations.
Check clearance during full steering lock and with suspension compressed, as tire movement changes under real driving conditions. Owners should also verify that wheel offset and brake upgrades do not create interference issues that could affect safe operation of the Michelin XZX 145SR15 78S Blackwall Tire.
Tire Size Equivalents & Conversions â–¼
Can the Michelin XZX 145SR15 78S Blackwall Tire replace a bias-ply tire with the same size marking? â–¼
The Michelin XZX 145SR15 78S Blackwall Tire may not behave identically to an older bias-ply tire even when the size appears similar. Radial construction changes how the tire flexes, how the tread contacts the road, and how the vehicle responds during cornering and braking.
For vehicles originally equipped with bias-ply tires, owners should consider whether their priority is historical accuracy or improved driving behavior. The Michelin XZX 145SR15 78S Blackwall Tire is designed for classic applications where radial performance and period-correct Michelin styling are desired.
How should I compare the Michelin XZX 145SR15 78S Blackwall Tire dimensions before changing tire sizes? â–¼
When comparing the Michelin XZX 145SR15 78S Blackwall Tire with another tire size, focus on overall diameter, section width, load rating, and wheel compatibility rather than only the size designation. These measurements determine how the tire fits the vehicle and how it affects driving behavior.
A different tire size can change steering effort, suspension clearance, braking feel, and speedometer readings. Owners considering alternatives should ensure the replacement maintains appropriate dimensions for their vehicle’s intended use while preserving safe operation and classic styling.
Performance & Use Case â–¼
How will the Michelin XZX 145SR15 78S Blackwall Tire drive on the highway? â–¼
The Michelin XZX 145SR15 78S Blackwall Tire is designed for classic vehicles that benefit from radial construction and period-correct Michelin engineering. The radial casing helps provide improved road contact, directional stability, and a more comfortable driving experience compared with many older cross-ply designs.
With an S speed rating of up to 112 mph, the Michelin XZX 145SR15 78S Blackwall Tire is suitable for typical highway speeds when properly installed and maintained. Drivers should still follow vehicle recommendations for tire pressure, load, and overall operating conditions to achieve predictable highway performance.
Is the Michelin XZX 145SR15 78S Blackwall Tire suitable for daily driving a classic vehicle? â–¼
The Michelin XZX 145SR15 78S Blackwall Tire can be a suitable choice for owners who regularly drive classic European vehicles and want a combination of authentic appearance and modern radial construction. Its design supports comfortable street driving while preserving the original character of many vintage applications.
Daily usability depends on the condition of the vehicle, suspension, brakes, alignment, and maintenance practices. The Michelin XZX 145SR15 78S Blackwall Tire is intended for classic road use rather than modern high-performance driving demands.
How does the Michelin XZX 145SR15 78S Blackwall Tire perform in wet conditions? â–¼
The Michelin XZX 145SR15 78S Blackwall Tire features the classic XZX tread design with circumferential grooves and lateral grooves intended to help manage water through the contact patch. This design supports predictable traction during normal wet-weather driving conditions.
Wet performance also depends on tread depth, tire age, vehicle weight distribution, road conditions, and correct inflation pressure. While the Michelin XZX 145SR15 78S Blackwall Tire offers radial tire advantages, drivers should continue using appropriate caution during heavy rain or standing water conditions.
Construction, Durability & Load Capacity â–¼
What durability expectations should I have from the Michelin XZX 145SR15 78S Blackwall Tire? â–¼
The Michelin XZX 145SR15 78S Blackwall Tire is built for classic vehicle use where dependable street performance and authentic appearance are important. Its radial construction, Michelin engineering, and period-correct design provide a durable option for owners who regularly drive their vintage vehicles.
Actual service life depends on many factors including storage conditions, mileage, inflation maintenance, alignment, driving habits, and climate exposure. Regular inspections for aging, wear, and damage help ensure the Michelin XZX 145SR15 78S Blackwall Tire continues to perform as intended.
Installation & Maintenance â–¼
What should I check before installing the Michelin XZX 145SR15 78S Blackwall Tire on my classic vehicle? â–¼
Before installing the Michelin XZX 145SR15 78S Blackwall Tire, verify that the vehicle requires a 15-inch tire with the correct size, load rating, and overall dimensions. Inspect the wheels for cracks, corrosion, damaged bead areas, or other conditions that could affect proper mounting.
Owners should also confirm clearance around fenders, suspension components, steering parts, and brake assemblies. The Michelin XZX 145SR15 78S Blackwall Tire is designed for specific classic applications, so matching the tire to the vehicle’s original specifications helps maintain safe handling and correct appearance.
Does the Michelin XZX 145SR15 78S Blackwall Tire require special mounting considerations? â–¼
The Michelin XZX 145SR15 78S Blackwall Tire should be mounted using proper equipment and procedures suitable for radial tires. Professional installation helps ensure correct bead seating, wheel balance, and avoidance of mounting damage that could affect performance.
Classic vehicles may have older wheels or unique wheel designs that require additional inspection before installation. After mounting the Michelin XZX 145SR15 78S Blackwall Tire, checking inflation pressure, valve condition, and wheel balance helps ensure smooth operation and proper tire performance.
What long-term ownership factors should I consider with the Michelin XZX 145SR15 78S Blackwall Tire? â–¼
Long-term ownership of the Michelin XZX 145SR15 78S Blackwall Tire involves monitoring tire age, storage conditions, mileage, and vehicle usage patterns. Classic vehicles often accumulate fewer miles, so condition and aging can become just as important as tread depth.
Owners should regularly inspect the Michelin XZX 145SR15 78S Blackwall Tire for cracking, deformation, or other signs of deterioration. Maintaining correct pressure, avoiding prolonged exposure to harsh conditions, and ensuring proper alignment can help preserve the tire’s appearance, performance, and reliability over time.
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