Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 240/55-16 | 230/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.39 (670.4) | 28.58 (726) | 2.19 (55.6) 8.3% |
| Width inches (mm) | 9.45 (240) | 9.06 (230) | -0.39 (-10) -4.2% |
| Circum. inches (mm) | 82.92 (2106.12) | 89.8 (2280.8) | 6.88 (174.67) 8.3% |
| Sidewall Height inches (mm) | 5.2 (132) | 6.79 (172.5) | 1.59 (40.5) 30.7% |
| Revolutions per mile (km) | 764.13 (474.81) | 705.61 (438.44) | -58.52 (-36.36) -7.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.66 mph (34.86 km/h) |
| 25 mph (40.23 km/h) | 27.07 mph (43.57 km/h) |
| 30 mph (48.28 km/h) | 32.49 mph (52.28 km/h) |
| 35 mph (56.33 km/h) | 37.9 mph (61 km/h) |
| 40 mph (64.37 km/h) | 43.32 mph (69.71 km/h) |
| 45 mph (72.42 km/h) | 48.73 mph (78.43 km/h) |
| 50 mph (80.47 km/h) | 54.15 mph (87.14 km/h) |
| 55 mph (88.51 km/h) | 59.56 mph (95.86 km/h) |
| 60 mph (96.56 km/h) | 64.98 mph (104.57 km/h) |
| 65 mph (104.61 km/h) | 70.39 mph (113.28 km/h) |
| 70 mph (112.65 km/h) | 75.81 mph (122 km/h) |
| 75 mph (120.7 km/h) | 81.22 mph (130.71 km/h) |
| 80 mph (128.75 km/h) | 86.63 mph (139.43 km/h) |
| 85 mph (136.79 km/h) | 92.05 mph (148.14 km/h) |
| 90 mph (144.84 km/h) | 97.46 mph (156.85 km/h) |
| 95 mph (152.89 km/h) | 102.88 mph (165.57 km/h) |
| 100 mph (160.93 km/h) | 108.29 mph (174.28 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1796 | 2086 | 2246 | 2346 | 2453 | 2529 | 2613 | 2713 | 2850 | 2988 | 3140 | 3263 | 3484 | 3729 | 3920 | 4042 | 4111 | 4363 | 4714 | 5479 |
Better Fuel Economy Factory Ratios Increased Power
