Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 25/7.5-15 | 175/65-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.08 (636.94) | 23.96 (608.5) | -1.12 (-28.44) -4.5% |
| Width inches (mm) | 7.52 (191) | 6.89 (175) | -0.63 (-16) -8.4% |
| Circum. inches (mm) | 78.78 (2001.01) | 75.26 (1911.66) | -3.52 (-89.35) -4.5% |
| Sidewall Height inches (mm) | 5.04 (127.97) | 4.48 (113.75) | -0.56 (-14.22) -11.1% |
| Revolutions per mile (km) | 804.27 (499.75) | 841.86 (523.1) | 37.59 (23.36) 4.7% |
175/65-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.11 mph (30.75 km/h) |
| 25 mph (40.23 km/h) | 23.88 mph (38.44 km/h) |
| 30 mph (48.28 km/h) | 28.66 mph (46.12 km/h) |
| 35 mph (56.33 km/h) | 33.44 mph (53.81 km/h) |
| 40 mph (64.37 km/h) | 38.21 mph (61.5 km/h) |
| 45 mph (72.42 km/h) | 42.99 mph (69.19 km/h) |
| 50 mph (80.47 km/h) | 47.77 mph (76.87 km/h) |
| 55 mph (88.51 km/h) | 52.54 mph (84.56 km/h) |
| 60 mph (96.56 km/h) | 57.32 mph (92.25 km/h) |
| 65 mph (104.61 km/h) | 62.1 mph (99.94 km/h) |
| 70 mph (112.65 km/h) | 66.87 mph (107.62 km/h) |
| 75 mph (120.7 km/h) | 71.65 mph (115.31 km/h) |
| 80 mph (128.75 km/h) | 76.43 mph (123 km/h) |
| 85 mph (136.79 km/h) | 81.2 mph (130.69 km/h) |
| 90 mph (144.84 km/h) | 85.98 mph (138.37 km/h) |
| 95 mph (152.89 km/h) | 90.76 mph (146.06 km/h) |
| 100 mph (160.93 km/h) | 95.53 mph (153.75 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
