Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/70-17 | 370/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.44 (620.8) | 37.39 (949.8) | 12.95 (329) 53% |
| Width inches (mm) | 5.31 (135) | 14.57 (370) | 9.25 (235) 174.1% |
| Circum. inches (mm) | 76.78 (1950.3) | 117.48 (2983.88) | 40.69 (1033.58) 53% |
| Sidewall Height inches (mm) | 3.72 (94.5) | 10.2 (259) | 6.48 (164.5) 174.1% |
| Revolutions per mile (km) | 825.18 (512.74) | 539.35 (335.13) | -285.83 (-177.61) -34.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 30.6 mph (49.24 km/h) |
| 25 mph (40.23 km/h) | 38.25 mph (61.56 km/h) |
| 30 mph (48.28 km/h) | 45.9 mph (73.87 km/h) |
| 35 mph (56.33 km/h) | 53.55 mph (86.18 km/h) |
| 40 mph (64.37 km/h) | 61.2 mph (98.49 km/h) |
| 45 mph (72.42 km/h) | 68.85 mph (110.8 km/h) |
| 50 mph (80.47 km/h) | 76.5 mph (123.11 km/h) |
| 55 mph (88.51 km/h) | 84.15 mph (135.42 km/h) |
| 60 mph (96.56 km/h) | 91.8 mph (147.73 km/h) |
| 65 mph (104.61 km/h) | 99.45 mph (160.05 km/h) |
| 70 mph (112.65 km/h) | 107.1 mph (172.36 km/h) |
| 75 mph (120.7 km/h) | 114.75 mph (184.67 km/h) |
| 80 mph (128.75 km/h) | 122.4 mph (196.98 km/h) |
| 85 mph (136.79 km/h) | 130.05 mph (209.29 km/h) |
| 90 mph (144.84 km/h) | 137.7 mph (221.6 km/h) |
| 95 mph (152.89 km/h) | 145.35 mph (233.91 km/h) |
| 100 mph (160.93 km/h) | 153 mph (246.22 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1373 | 1594 | 1717 | 1793 | 1875 | 1933 | 1997 | 2073 | 2179 | 2284 | 2400 | 2494 | 2663 | 2850 | 2996 | 3090 | 3142 | 3335 | 3604 | 4188 |
Better Fuel Economy Factory Ratios Increased Power
