Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 25/7.5-15 | 165/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.08 (636.94) | 24.09 (612) | -0.98 (-24.94) -3.9% |
| Width inches (mm) | 7.52 (191) | 6.5 (165) | -1.02 (-26) -13.6% |
| Circum. inches (mm) | 78.78 (2001.01) | 75.7 (1922.65) | -3.08 (-78.35) -3.9% |
| Sidewall Height inches (mm) | 5.04 (127.97) | 4.55 (115.5) | -0.49 (-12.47) -9.7% |
| Revolutions per mile (km) | 804.27 (499.75) | 837.04 (520.11) | 32.78 (20.37) 4.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.22 mph (30.93 km/h) |
| 25 mph (40.23 km/h) | 24.02 mph (38.66 km/h) |
| 30 mph (48.28 km/h) | 28.83 mph (46.39 km/h) |
| 35 mph (56.33 km/h) | 33.63 mph (54.12 km/h) |
| 40 mph (64.37 km/h) | 38.43 mph (61.85 km/h) |
| 45 mph (72.42 km/h) | 43.24 mph (69.58 km/h) |
| 50 mph (80.47 km/h) | 48.04 mph (77.32 km/h) |
| 55 mph (88.51 km/h) | 52.85 mph (85.05 km/h) |
| 60 mph (96.56 km/h) | 57.65 mph (92.78 km/h) |
| 65 mph (104.61 km/h) | 62.45 mph (100.51 km/h) |
| 70 mph (112.65 km/h) | 67.26 mph (108.24 km/h) |
| 75 mph (120.7 km/h) | 72.06 mph (115.97 km/h) |
| 80 mph (128.75 km/h) | 76.87 mph (123.71 km/h) |
| 85 mph (136.79 km/h) | 81.67 mph (131.44 km/h) |
| 90 mph (144.84 km/h) | 86.48 mph (139.17 km/h) |
| 95 mph (152.89 km/h) | 91.28 mph (146.9 km/h) |
| 100 mph (160.93 km/h) | 96.08 mph (154.63 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2130 | 2475 | 2665 | 2783 | 2910 | 3000 | 3100 | 3218 | 3381 | 3544 | 3725 | 3870 | 4133 | 4423 | 4650 | 4795 | 4877 | 5176 | 5593 | 6499 |
Better Fuel Economy Factory Ratios Increased Power
