Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/80-15 | 275/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.5 (597) | 27.99 (711) | 4.49 (114) 19.1% |
| Width inches (mm) | 5.31 (135) | 10.83 (275) | 5.51 (140) 103.7% |
| Circum. inches (mm) | 73.84 (1875.53) | 87.94 (2233.67) | 14.1 (358.14) 19.1% |
| Sidewall Height inches (mm) | 4.25 (108) | 6.5 (165) | 2.24 (57) 52.8% |
| Revolutions per mile (km) | 858.07 (533.18) | 720.49 (447.69) | -137.58 (-85.49) -16% |
275/60-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.82 mph (38.33 km/h) |
| 25 mph (40.23 km/h) | 29.77 mph (47.92 km/h) |
| 30 mph (48.28 km/h) | 35.73 mph (57.5 km/h) |
| 35 mph (56.33 km/h) | 41.68 mph (67.08 km/h) |
| 40 mph (64.37 km/h) | 47.64 mph (76.67 km/h) |
| 45 mph (72.42 km/h) | 53.59 mph (86.25 km/h) |
| 50 mph (80.47 km/h) | 59.55 mph (95.83 km/h) |
| 55 mph (88.51 km/h) | 65.5 mph (105.42 km/h) |
| 60 mph (96.56 km/h) | 71.46 mph (115 km/h) |
| 65 mph (104.61 km/h) | 77.41 mph (124.58 km/h) |
| 70 mph (112.65 km/h) | 83.37 mph (134.17 km/h) |
| 75 mph (120.7 km/h) | 89.32 mph (143.75 km/h) |
| 80 mph (128.75 km/h) | 95.28 mph (153.33 km/h) |
| 85 mph (136.79 km/h) | 101.23 mph (162.92 km/h) |
| 90 mph (144.84 km/h) | 107.19 mph (172.5 km/h) |
| 95 mph (152.89 km/h) | 113.14 mph (182.08 km/h) |
| 100 mph (160.93 km/h) | 119.1 mph (191.67 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1834 | 2130 | 2294 | 2395 | 2505 | 2583 | 2668 | 2770 | 2910 | 3051 | 3207 | 3332 | 3558 | 3807 | 4003 | 4127 | 4198 | 4455 | 4814 | 5594 |
Better Fuel Economy Factory Ratios Increased Power
