Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 250/70-15 | 220/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.78 (731) | 27.13 (689) | -1.65 (-42) -5.7% |
| Width inches (mm) | 9.84 (250) | 8.66 (220) | -1.18 (-30) -12% |
| Circum. inches (mm) | 90.41 (2296.5) | 85.22 (2164.56) | -5.19 (-131.95) -5.7% |
| Sidewall Height inches (mm) | 6.89 (175) | 6.06 (154) | -0.83 (-21) -12% |
| Revolutions per mile (km) | 700.78 (435.44) | 743.5 (461.99) | 42.72 (26.54) 6.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.85 mph (30.34 km/h) |
| 25 mph (40.23 km/h) | 23.56 mph (37.92 km/h) |
| 30 mph (48.28 km/h) | 28.28 mph (45.51 km/h) |
| 35 mph (56.33 km/h) | 32.99 mph (53.09 km/h) |
| 40 mph (64.37 km/h) | 37.7 mph (60.68 km/h) |
| 45 mph (72.42 km/h) | 42.41 mph (68.26 km/h) |
| 50 mph (80.47 km/h) | 47.13 mph (75.84 km/h) |
| 55 mph (88.51 km/h) | 51.84 mph (83.43 km/h) |
| 60 mph (96.56 km/h) | 56.55 mph (91.01 km/h) |
| 65 mph (104.61 km/h) | 61.27 mph (98.6 km/h) |
| 70 mph (112.65 km/h) | 65.98 mph (106.18 km/h) |
| 75 mph (120.7 km/h) | 70.69 mph (113.77 km/h) |
| 80 mph (128.75 km/h) | 75.4 mph (121.35 km/h) |
| 85 mph (136.79 km/h) | 80.12 mph (128.93 km/h) |
| 90 mph (144.84 km/h) | 84.83 mph (136.52 km/h) |
| 95 mph (152.89 km/h) | 89.54 mph (144.1 km/h) |
| 100 mph (160.93 km/h) | 94.25 mph (151.69 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1892 | 2198 | 2367 | 2472 | 2584 | 2665 | 2754 | 2858 | 3003 | 3148 | 3309 | 3438 | 3671 | 3929 | 4130 | 4259 | 4332 | 4597 | 4968 | 5773 |
Better Fuel Economy Factory Ratios Increased Power
