Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 250/70-17 | 90/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.78 (781.8) | 21.96 (557.8) | -8.82 (-224) -28.7% |
| Width inches (mm) | 9.84 (250) | 3.54 (90) | -6.3 (-160) -64% |
| Circum. inches (mm) | 96.7 (2456.1) | 68.99 (1752.38) | -27.71 (-703.72) -28.7% |
| Sidewall Height inches (mm) | 6.89 (175) | 2.48 (63) | -4.41 (-112) -64% |
| Revolutions per mile (km) | 655.24 (407.15) | 918.38 (570.65) | 263.13 (163.5) 40.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 14.27 mph (22.96 km/h) |
| 25 mph (40.23 km/h) | 17.84 mph (28.71 km/h) |
| 30 mph (48.28 km/h) | 21.4 mph (34.45 km/h) |
| 35 mph (56.33 km/h) | 24.97 mph (40.19 km/h) |
| 40 mph (64.37 km/h) | 28.54 mph (45.93 km/h) |
| 45 mph (72.42 km/h) | 32.11 mph (51.67 km/h) |
| 50 mph (80.47 km/h) | 35.67 mph (57.41 km/h) |
| 55 mph (88.51 km/h) | 39.24 mph (63.15 km/h) |
| 60 mph (96.56 km/h) | 42.81 mph (68.89 km/h) |
| 65 mph (104.61 km/h) | 46.38 mph (74.64 km/h) |
| 70 mph (112.65 km/h) | 49.94 mph (80.38 km/h) |
| 75 mph (120.7 km/h) | 53.51 mph (86.12 km/h) |
| 80 mph (128.75 km/h) | 57.08 mph (91.86 km/h) |
| 85 mph (136.79 km/h) | 60.65 mph (97.6 km/h) |
| 90 mph (144.84 km/h) | 64.21 mph (103.34 km/h) |
| 95 mph (152.89 km/h) | 67.78 mph (109.08 km/h) |
| 100 mph (160.93 km/h) | 71.35 mph (114.82 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Better Fuel Economy Factory Ratios Increased Power
