Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/70-15 | 175/65-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.85 (682) | 23.96 (608.5) | -2.89 (-73.5) -10.8% |
| Width inches (mm) | 8.46 (215) | 6.89 (175) | -1.57 (-40) -18.6% |
| Circum. inches (mm) | 84.35 (2142.57) | 75.26 (1911.66) | -9.09 (-230.91) -10.8% |
| Sidewall Height inches (mm) | 5.93 (150.5) | 4.48 (113.75) | -1.45 (-36.75) -24.4% |
| Revolutions per mile (km) | 751.13 (466.73) | 841.86 (523.1) | 90.73 (56.38) 12.1% |
175/65-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.84 mph (28.72 km/h) |
| 25 mph (40.23 km/h) | 22.31 mph (35.9 km/h) |
| 30 mph (48.28 km/h) | 26.77 mph (43.08 km/h) |
| 35 mph (56.33 km/h) | 31.23 mph (50.26 km/h) |
| 40 mph (64.37 km/h) | 35.69 mph (57.44 km/h) |
| 45 mph (72.42 km/h) | 40.15 mph (64.62 km/h) |
| 50 mph (80.47 km/h) | 44.61 mph (71.8 km/h) |
| 55 mph (88.51 km/h) | 49.07 mph (78.97 km/h) |
| 60 mph (96.56 km/h) | 53.53 mph (86.15 km/h) |
| 65 mph (104.61 km/h) | 57.99 mph (93.33 km/h) |
| 70 mph (112.65 km/h) | 62.46 mph (100.51 km/h) |
| 75 mph (120.7 km/h) | 66.92 mph (107.69 km/h) |
| 80 mph (128.75 km/h) | 71.38 mph (114.87 km/h) |
| 85 mph (136.79 km/h) | 75.84 mph (122.05 km/h) |
| 90 mph (144.84 km/h) | 80.3 mph (129.23 km/h) |
| 95 mph (152.89 km/h) | 84.76 mph (136.41 km/h) |
| 100 mph (160.93 km/h) | 89.22 mph (143.59 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2142 | 2489 | 2680 | 2799 | 2926 | 3018 | 3118 | 3236 | 3400 | 3565 | 3747 | 3893 | 4157 | 4449 | 4677 | 4823 | 4905 | 5205 | 5625 | 6536 |
Better Fuel Economy Factory Ratios Increased Power
