Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/55-17 | 215/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.31 (668.3) | 26.85 (682) | 0.54 (13.7) 2% |
| Width inches (mm) | 8.46 (215) | 8.46 (215) | 0 (0) 0% |
| Circum. inches (mm) | 82.66 (2099.53) | 84.35 (2142.57) | 1.69 (43.04) 2% |
| Sidewall Height inches (mm) | 4.66 (118.25) | 5.93 (150.5) | 1.27 (32.25) 27.3% |
| Revolutions per mile (km) | 766.53 (476.3) | 751.13 (466.73) | -15.4 (-9.57) -2% |
215/70-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.41 mph (32.85 km/h) |
| 25 mph (40.23 km/h) | 25.51 mph (41.06 km/h) |
| 30 mph (48.28 km/h) | 30.61 mph (49.27 km/h) |
| 35 mph (56.33 km/h) | 35.72 mph (57.48 km/h) |
| 40 mph (64.37 km/h) | 40.82 mph (65.69 km/h) |
| 45 mph (72.42 km/h) | 45.92 mph (73.91 km/h) |
| 50 mph (80.47 km/h) | 51.02 mph (82.12 km/h) |
| 55 mph (88.51 km/h) | 56.13 mph (90.33 km/h) |
| 60 mph (96.56 km/h) | 61.23 mph (98.54 km/h) |
| 65 mph (104.61 km/h) | 66.33 mph (106.75 km/h) |
| 70 mph (112.65 km/h) | 71.43 mph (114.96 km/h) |
| 75 mph (120.7 km/h) | 76.54 mph (123.18 km/h) |
| 80 mph (128.75 km/h) | 81.64 mph (131.39 km/h) |
| 85 mph (136.79 km/h) | 86.74 mph (139.6 km/h) |
| 90 mph (144.84 km/h) | 91.84 mph (147.81 km/h) |
| 95 mph (152.89 km/h) | 96.95 mph (156.02 km/h) |
| 100 mph (160.93 km/h) | 102.05 mph (164.23 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
