Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 26/12-12 | 240/65-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.93 (658.6) | 28.28 (718.4) | 2.35 (59.8) 9.1% |
| Width inches (mm) | 12.01 (305) | 9.45 (240) | -2.56 (-65) -21.3% |
| Circum. inches (mm) | 81.46 (2069.05) | 88.86 (2256.92) | 7.4 (187.87) 9.1% |
| Sidewall Height inches (mm) | 6.96 (176.9) | 6.14 (156) | -0.82 (-20.9) -11.8% |
| Revolutions per mile (km) | 777.82 (483.31) | 713.07 (443.08) | -64.75 (-40.23) -8.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.82 mph (35.11 km/h) |
| 25 mph (40.23 km/h) | 27.27 mph (43.89 km/h) |
| 30 mph (48.28 km/h) | 32.72 mph (52.66 km/h) |
| 35 mph (56.33 km/h) | 38.18 mph (61.44 km/h) |
| 40 mph (64.37 km/h) | 43.63 mph (70.22 km/h) |
| 45 mph (72.42 km/h) | 49.09 mph (79 km/h) |
| 50 mph (80.47 km/h) | 54.54 mph (87.77 km/h) |
| 55 mph (88.51 km/h) | 59.99 mph (96.55 km/h) |
| 60 mph (96.56 km/h) | 65.45 mph (105.33 km/h) |
| 65 mph (104.61 km/h) | 70.9 mph (114.11 km/h) |
| 70 mph (112.65 km/h) | 76.36 mph (122.88 km/h) |
| 75 mph (120.7 km/h) | 81.81 mph (131.66 km/h) |
| 80 mph (128.75 km/h) | 87.26 mph (140.44 km/h) |
| 85 mph (136.79 km/h) | 92.72 mph (149.22 km/h) |
| 90 mph (144.84 km/h) | 98.17 mph (157.99 km/h) |
| 95 mph (152.89 km/h) | 103.63 mph (166.77 km/h) |
| 100 mph (160.93 km/h) | 109.08 mph (175.55 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1815 | 2108 | 2270 | 2371 | 2479 | 2556 | 2641 | 2741 | 2880 | 3019 | 3174 | 3297 | 3521 | 3768 | 3961 | 4085 | 4154 | 4409 | 4764 | 5537 |
Better Fuel Economy Factory Ratios Increased Power
