Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/75-15 | 215/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.29 (718.5) | 26.85 (682) | -1.44 (-36.5) -5.1% |
| Width inches (mm) | 8.86 (225) | 8.46 (215) | -0.39 (-10) -4.4% |
| Circum. inches (mm) | 88.87 (2257.23) | 84.35 (2142.57) | -4.51 (-114.67) -5.1% |
| Sidewall Height inches (mm) | 6.64 (168.75) | 5.93 (150.5) | -0.72 (-18.25) -10.8% |
| Revolutions per mile (km) | 712.97 (443.02) | 751.13 (466.73) | 38.16 (23.71) 5.4% |
215/70-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.98 mph (30.55 km/h) |
| 25 mph (40.23 km/h) | 23.73 mph (38.19 km/h) |
| 30 mph (48.28 km/h) | 28.48 mph (45.83 km/h) |
| 35 mph (56.33 km/h) | 33.22 mph (53.47 km/h) |
| 40 mph (64.37 km/h) | 37.97 mph (61.1 km/h) |
| 45 mph (72.42 km/h) | 42.71 mph (68.74 km/h) |
| 50 mph (80.47 km/h) | 47.46 mph (76.38 km/h) |
| 55 mph (88.51 km/h) | 52.21 mph (84.02 km/h) |
| 60 mph (96.56 km/h) | 56.95 mph (91.66 km/h) |
| 65 mph (104.61 km/h) | 61.7 mph (99.29 km/h) |
| 70 mph (112.65 km/h) | 66.44 mph (106.93 km/h) |
| 75 mph (120.7 km/h) | 71.19 mph (114.57 km/h) |
| 80 mph (128.75 km/h) | 75.94 mph (122.21 km/h) |
| 85 mph (136.79 km/h) | 80.68 mph (129.85 km/h) |
| 90 mph (144.84 km/h) | 85.43 mph (137.48 km/h) |
| 95 mph (152.89 km/h) | 90.17 mph (145.12 km/h) |
| 100 mph (160.93 km/h) | 94.92 mph (152.76 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
