Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/82-14 | 270/70-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.94 (659) | 28.88 (733.6) | 2.94 (74.6) 11.3% |
| Width inches (mm) | 7.28 (185) | 10.63 (270) | 3.35 (85) 45.9% |
| Circum. inches (mm) | 81.51 (2070.31) | 90.74 (2304.67) | 9.23 (234.36) 11.3% |
| Sidewall Height inches (mm) | 5.97 (151.7) | 7.44 (189) | 1.47 (37.3) 24.6% |
| Revolutions per mile (km) | 777.34 (483.02) | 698.3 (433.9) | -79.05 (-49.12) -10.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.26 mph (35.83 km/h) |
| 25 mph (40.23 km/h) | 27.83 mph (44.79 km/h) |
| 30 mph (48.28 km/h) | 33.4 mph (53.75 km/h) |
| 35 mph (56.33 km/h) | 38.96 mph (62.7 km/h) |
| 40 mph (64.37 km/h) | 44.53 mph (71.66 km/h) |
| 45 mph (72.42 km/h) | 50.09 mph (80.62 km/h) |
| 50 mph (80.47 km/h) | 55.66 mph (89.58 km/h) |
| 55 mph (88.51 km/h) | 61.23 mph (98.53 km/h) |
| 60 mph (96.56 km/h) | 66.79 mph (107.49 km/h) |
| 65 mph (104.61 km/h) | 72.36 mph (116.45 km/h) |
| 70 mph (112.65 km/h) | 77.92 mph (125.41 km/h) |
| 75 mph (120.7 km/h) | 83.49 mph (134.36 km/h) |
| 80 mph (128.75 km/h) | 89.06 mph (143.32 km/h) |
| 85 mph (136.79 km/h) | 94.62 mph (152.28 km/h) |
| 90 mph (144.84 km/h) | 100.19 mph (161.24 km/h) |
| 95 mph (152.89 km/h) | 105.75 mph (170.2 km/h) |
| 100 mph (160.93 km/h) | 111.32 mph (179.15 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1777 | 2064 | 2223 | 2321 | 2427 | 2503 | 2586 | 2684 | 2821 | 2957 | 3108 | 3229 | 3448 | 3690 | 3879 | 4000 | 4068 | 4318 | 4666 | 5422 |
Better Fuel Economy Factory Ratios Increased Power
