Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 240/55-16 | 240/30-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.39 (670.4) | 22.67 (575.8) | -3.72 (-94.6) -14.1% |
| Width inches (mm) | 9.45 (240) | 9.45 (240) | 0 (0) 0% |
| Circum. inches (mm) | 82.92 (2106.12) | 71.22 (1808.93) | -11.7 (-297.19) -14.1% |
| Sidewall Height inches (mm) | 5.2 (132) | 2.83 (72) | -2.36 (-60) -45.5% |
| Revolutions per mile (km) | 764.13 (474.81) | 889.67 (552.81) | 125.54 (78.01) 16.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.18 mph (27.65 km/h) |
| 25 mph (40.23 km/h) | 21.47 mph (34.56 km/h) |
| 30 mph (48.28 km/h) | 25.77 mph (41.47 km/h) |
| 35 mph (56.33 km/h) | 30.06 mph (48.38 km/h) |
| 40 mph (64.37 km/h) | 34.36 mph (55.29 km/h) |
| 45 mph (72.42 km/h) | 38.65 mph (62.2 km/h) |
| 50 mph (80.47 km/h) | 42.94 mph (69.11 km/h) |
| 55 mph (88.51 km/h) | 47.24 mph (76.02 km/h) |
| 60 mph (96.56 km/h) | 51.53 mph (82.94 km/h) |
| 65 mph (104.61 km/h) | 55.83 mph (89.85 km/h) |
| 70 mph (112.65 km/h) | 60.12 mph (96.76 km/h) |
| 75 mph (120.7 km/h) | 64.42 mph (103.67 km/h) |
| 80 mph (128.75 km/h) | 68.71 mph (110.58 km/h) |
| 85 mph (136.79 km/h) | 73.01 mph (117.49 km/h) |
| 90 mph (144.84 km/h) | 77.3 mph (124.4 km/h) |
| 95 mph (152.89 km/h) | 81.59 mph (131.31 km/h) |
| 100 mph (160.93 km/h) | 85.89 mph (138.23 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2264 | 2630 | 2832 | 2958 | 3093 | 3189 | 3295 | 3420 | 3594 | 3767 | 3960 | 4114 | 4393 | 4701 | 4942 | 5096 | 5183 | 5501 | 5944 | 6908 |
Better Fuel Economy Factory Ratios Increased Power
