Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/50-15 | 265/50-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.4 (696) | 25.43 (646) | -1.97 (-50) -7.2% |
| Width inches (mm) | 12.4 (315) | 10.43 (265) | -1.97 (-50) -15.9% |
| Circum. inches (mm) | 86.08 (2186.55) | 79.9 (2029.47) | -6.18 (-157.08) -7.2% |
| Sidewall Height inches (mm) | 6.2 (157.5) | 5.22 (132.5) | -0.98 (-25) -15.9% |
| Revolutions per mile (km) | 736.02 (457.34) | 792.99 (492.74) | 56.97 (35.4) 7.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.56 mph (29.87 km/h) |
| 25 mph (40.23 km/h) | 23.2 mph (37.34 km/h) |
| 30 mph (48.28 km/h) | 27.84 mph (44.81 km/h) |
| 35 mph (56.33 km/h) | 32.49 mph (52.28 km/h) |
| 40 mph (64.37 km/h) | 37.13 mph (59.75 km/h) |
| 45 mph (72.42 km/h) | 41.77 mph (67.22 km/h) |
| 50 mph (80.47 km/h) | 46.41 mph (74.69 km/h) |
| 55 mph (88.51 km/h) | 51.05 mph (82.16 km/h) |
| 60 mph (96.56 km/h) | 55.69 mph (89.62 km/h) |
| 65 mph (104.61 km/h) | 60.33 mph (97.09 km/h) |
| 70 mph (112.65 km/h) | 64.97 mph (104.56 km/h) |
| 75 mph (120.7 km/h) | 69.61 mph (112.03 km/h) |
| 80 mph (128.75 km/h) | 74.25 mph (119.5 km/h) |
| 85 mph (136.79 km/h) | 78.89 mph (126.97 km/h) |
| 90 mph (144.84 km/h) | 83.53 mph (134.44 km/h) |
| 95 mph (152.89 km/h) | 88.18 mph (141.9 km/h) |
| 100 mph (160.93 km/h) | 92.82 mph (149.37 km/h) |
| 2.35 | 2.73 | 2.94 | 3.07 | 3.21 | 3.31 | 3.42 | 3.55 | 3.73 | 3.91 | 4.11 | 4.27 | 4.56 | 4.88 | 5.13 | 5.29 | 5.38 | 5.71 | 6.17 | 7.17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2018 | 2344 | 2525 | 2636 | 2757 | 2842 | 2937 | 3048 | 3203 | 3358 | 3529 | 3667 | 3916 | 4191 | 4405 | 4543 | 4620 | 4903 | 5298 | 6157 |
Better Fuel Economy Factory Ratios Increased Power
