Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 180/70-15 | 210/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.92 (633) | 26.57 (675) | 1.65 (42) 6.6% |
| Width inches (mm) | 7.09 (180) | 8.27 (210) | 1.18 (30) 16.7% |
| Circum. inches (mm) | 78.29 (1988.63) | 83.49 (2120.58) | 5.19 (131.95) 6.6% |
| Sidewall Height inches (mm) | 4.96 (126) | 5.79 (147) | 0.83 (21) 16.7% |
| Revolutions per mile (km) | 809.27 (502.86) | 758.92 (471.57) | -50.35 (-31.29) -6.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.33 mph (34.32 km/h) |
| 25 mph (40.23 km/h) | 26.66 mph (42.9 km/h) |
| 30 mph (48.28 km/h) | 31.99 mph (51.48 km/h) |
| 35 mph (56.33 km/h) | 37.32 mph (60.06 km/h) |
| 40 mph (64.37 km/h) | 42.65 mph (68.65 km/h) |
| 45 mph (72.42 km/h) | 47.99 mph (77.23 km/h) |
| 50 mph (80.47 km/h) | 53.32 mph (85.81 km/h) |
| 55 mph (88.51 km/h) | 58.65 mph (94.39 km/h) |
| 60 mph (96.56 km/h) | 63.98 mph (102.97 km/h) |
| 65 mph (104.61 km/h) | 69.31 mph (111.55 km/h) |
| 70 mph (112.65 km/h) | 74.64 mph (120.13 km/h) |
| 75 mph (120.7 km/h) | 79.98 mph (128.71 km/h) |
| 80 mph (128.75 km/h) | 85.31 mph (137.29 km/h) |
| 85 mph (136.79 km/h) | 90.64 mph (145.87 km/h) |
| 90 mph (144.84 km/h) | 95.97 mph (154.45 km/h) |
| 95 mph (152.89 km/h) | 101.3 mph (163.03 km/h) |
| 100 mph (160.93 km/h) | 106.64 mph (171.61 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1931 | 2244 | 2416 | 2523 | 2638 | 2720 | 2811 | 2918 | 3065 | 3213 | 3378 | 3509 | 3748 | 4011 | 4216 | 4347 | 4421 | 4693 | 5071 | 5893 |
Better Fuel Economy Factory Ratios Increased Power
