Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/80-13 | 155/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.76 (578.2) | 22.32 (567) | -0.44 (-11.2) -1.9% |
| Width inches (mm) | 6.1 (155) | 6.1 (155) | 0 (0) 0% |
| Circum. inches (mm) | 71.51 (1816.47) | 70.13 (1781.28) | -1.39 (-35.19) -1.9% |
| Sidewall Height inches (mm) | 4.88 (124) | 3.66 (93) | -1.22 (-31) -25% |
| Revolutions per mile (km) | 885.97 (550.52) | 903.47 (561.39) | 17.5 (10.87) 2% |
155/60-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.61 mph (31.56 km/h) |
| 25 mph (40.23 km/h) | 24.52 mph (39.45 km/h) |
| 30 mph (48.28 km/h) | 29.42 mph (47.35 km/h) |
| 35 mph (56.33 km/h) | 34.32 mph (55.24 km/h) |
| 40 mph (64.37 km/h) | 39.23 mph (63.13 km/h) |
| 45 mph (72.42 km/h) | 44.13 mph (71.02 km/h) |
| 50 mph (80.47 km/h) | 49.03 mph (78.91 km/h) |
| 55 mph (88.51 km/h) | 53.93 mph (86.8 km/h) |
| 60 mph (96.56 km/h) | 58.84 mph (94.69 km/h) |
| 65 mph (104.61 km/h) | 63.74 mph (102.58 km/h) |
| 70 mph (112.65 km/h) | 68.64 mph (110.47 km/h) |
| 75 mph (120.7 km/h) | 73.55 mph (118.36 km/h) |
| 80 mph (128.75 km/h) | 78.45 mph (126.25 km/h) |
| 85 mph (136.79 km/h) | 83.35 mph (134.14 km/h) |
| 90 mph (144.84 km/h) | 88.26 mph (142.04 km/h) |
| 95 mph (152.89 km/h) | 93.16 mph (149.93 km/h) |
| 100 mph (160.93 km/h) | 98.06 mph (157.82 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2299 | 2671 | 2876 | 3004 | 3141 | 3238 | 3346 | 3473 | 3649 | 3825 | 4021 | 4178 | 4461 | 4774 | 5019 | 5176 | 5264 | 5586 | 6037 | 7015 |
Better Fuel Economy Factory Ratios Increased Power
