Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/75-15 | 175/65-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.7 (703.5) | 23.96 (608.5) | -3.74 (-95) -13.5% |
| Width inches (mm) | 8.46 (215) | 6.89 (175) | -1.57 (-40) -18.6% |
| Circum. inches (mm) | 87.01 (2210.11) | 75.26 (1911.66) | -11.75 (-298.45) -13.5% |
| Sidewall Height inches (mm) | 6.35 (161.25) | 4.48 (113.75) | -1.87 (-47.5) -29.5% |
| Revolutions per mile (km) | 728.17 (452.47) | 841.86 (523.1) | 113.68 (70.64) 15.6% |
175/65-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.3 mph (27.84 km/h) |
| 25 mph (40.23 km/h) | 21.62 mph (34.8 km/h) |
| 30 mph (48.28 km/h) | 25.95 mph (41.76 km/h) |
| 35 mph (56.33 km/h) | 30.27 mph (48.72 km/h) |
| 40 mph (64.37 km/h) | 34.6 mph (55.68 km/h) |
| 45 mph (72.42 km/h) | 38.92 mph (62.64 km/h) |
| 50 mph (80.47 km/h) | 43.25 mph (69.6 km/h) |
| 55 mph (88.51 km/h) | 47.57 mph (76.56 km/h) |
| 60 mph (96.56 km/h) | 51.9 mph (83.52 km/h) |
| 65 mph (104.61 km/h) | 56.22 mph (90.48 km/h) |
| 70 mph (112.65 km/h) | 60.55 mph (97.44 km/h) |
| 75 mph (120.7 km/h) | 64.87 mph (104.4 km/h) |
| 80 mph (128.75 km/h) | 69.2 mph (111.36 km/h) |
| 85 mph (136.79 km/h) | 73.52 mph (118.32 km/h) |
| 90 mph (144.84 km/h) | 77.85 mph (125.28 km/h) |
| 95 mph (152.89 km/h) | 82.17 mph (132.24 km/h) |
| 100 mph (160.93 km/h) | 86.5 mph (139.2 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
