Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/70-15 | 255/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.95 (710) | 29.06 (738) | 1.1 (28) 3.9% |
| Width inches (mm) | 9.25 (235) | 10.04 (255) | 0.79 (20) 8.5% |
| Circum. inches (mm) | 87.82 (2230.53) | 91.28 (2318.5) | 3.46 (87.96) 3.9% |
| Sidewall Height inches (mm) | 6.48 (164.5) | 7.03 (178.5) | 0.55 (14) 8.5% |
| Revolutions per mile (km) | 721.51 (448.32) | 694.13 (431.31) | -27.37 (-17.01) -3.8% |
255/70-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.79 mph (33.46 km/h) |
| 25 mph (40.23 km/h) | 25.99 mph (41.82 km/h) |
| 30 mph (48.28 km/h) | 31.18 mph (50.18 km/h) |
| 35 mph (56.33 km/h) | 36.38 mph (58.55 km/h) |
| 40 mph (64.37 km/h) | 41.58 mph (66.91 km/h) |
| 45 mph (72.42 km/h) | 46.77 mph (75.28 km/h) |
| 50 mph (80.47 km/h) | 51.97 mph (83.64 km/h) |
| 55 mph (88.51 km/h) | 57.17 mph (92 km/h) |
| 60 mph (96.56 km/h) | 62.37 mph (100.37 km/h) |
| 65 mph (104.61 km/h) | 67.56 mph (108.73 km/h) |
| 70 mph (112.65 km/h) | 72.76 mph (117.1 km/h) |
| 75 mph (120.7 km/h) | 77.96 mph (125.46 km/h) |
| 80 mph (128.75 km/h) | 83.15 mph (133.83 km/h) |
| 85 mph (136.79 km/h) | 88.35 mph (142.19 km/h) |
| 90 mph (144.84 km/h) | 93.55 mph (150.55 km/h) |
| 95 mph (152.89 km/h) | 98.75 mph (158.92 km/h) |
| 100 mph (160.93 km/h) | 103.94 mph (167.28 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1766 | 2052 | 2210 | 2308 | 2413 | 2488 | 2571 | 2668 | 2804 | 2939 | 3089 | 3210 | 3428 | 3668 | 3856 | 3976 | 4044 | 4292 | 4638 | 5390 |
Better Fuel Economy Factory Ratios Increased Power
