Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/60-15 | 215/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.05 (687) | 26.85 (682) | -0.2 (-5) -0.7% |
| Width inches (mm) | 10.04 (255) | 8.46 (215) | -1.57 (-40) -15.7% |
| Circum. inches (mm) | 84.97 (2158.27) | 84.35 (2142.57) | -0.62 (-15.71) -0.7% |
| Sidewall Height inches (mm) | 6.02 (153) | 5.93 (150.5) | -0.1 (-2.5) -1.6% |
| Revolutions per mile (km) | 745.66 (463.33) | 751.13 (466.73) | 5.47 (3.4) 0.7% |
215/70-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.85 mph (31.95 km/h) |
| 25 mph (40.23 km/h) | 24.82 mph (39.94 km/h) |
| 30 mph (48.28 km/h) | 29.78 mph (47.93 km/h) |
| 35 mph (56.33 km/h) | 34.75 mph (55.92 km/h) |
| 40 mph (64.37 km/h) | 39.71 mph (63.91 km/h) |
| 45 mph (72.42 km/h) | 44.67 mph (71.89 km/h) |
| 50 mph (80.47 km/h) | 49.64 mph (79.88 km/h) |
| 55 mph (88.51 km/h) | 54.6 mph (87.87 km/h) |
| 60 mph (96.56 km/h) | 59.56 mph (95.86 km/h) |
| 65 mph (104.61 km/h) | 64.53 mph (103.85 km/h) |
| 70 mph (112.65 km/h) | 69.49 mph (111.83 km/h) |
| 75 mph (120.7 km/h) | 74.45 mph (119.82 km/h) |
| 80 mph (128.75 km/h) | 79.42 mph (127.81 km/h) |
| 85 mph (136.79 km/h) | 84.38 mph (135.8 km/h) |
| 90 mph (144.84 km/h) | 89.34 mph (143.79 km/h) |
| 95 mph (152.89 km/h) | 94.31 mph (151.78 km/h) |
| 100 mph (160.93 km/h) | 99.27 mph (159.76 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1911 | 2221 | 2391 | 2497 | 2611 | 2692 | 2782 | 2888 | 3034 | 3180 | 3343 | 3473 | 3709 | 3969 | 4173 | 4303 | 4376 | 4644 | 5019 | 5832 |
Better Fuel Economy Factory Ratios Increased Power
