Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 26/12-12 | 275/65-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.93 (658.6) | 28.07 (713.1) | 2.15 (54.5) 8.3% |
| Width inches (mm) | 12.01 (305) | 10.83 (275) | -1.18 (-30) -9.8% |
| Circum. inches (mm) | 81.46 (2069.05) | 88.2 (2240.27) | 6.74 (171.22) 8.3% |
| Sidewall Height inches (mm) | 6.96 (176.9) | 7.04 (178.75) | 0.07 (1.85) 1% |
| Revolutions per mile (km) | 777.82 (483.31) | 718.37 (446.37) | -59.45 (-36.94) -7.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.66 mph (34.85 km/h) |
| 25 mph (40.23 km/h) | 27.07 mph (43.56 km/h) |
| 30 mph (48.28 km/h) | 32.48 mph (52.28 km/h) |
| 35 mph (56.33 km/h) | 37.9 mph (60.99 km/h) |
| 40 mph (64.37 km/h) | 43.31 mph (69.7 km/h) |
| 45 mph (72.42 km/h) | 48.72 mph (78.41 km/h) |
| 50 mph (80.47 km/h) | 54.14 mph (87.13 km/h) |
| 55 mph (88.51 km/h) | 59.55 mph (95.84 km/h) |
| 60 mph (96.56 km/h) | 64.97 mph (104.55 km/h) |
| 65 mph (104.61 km/h) | 70.38 mph (113.26 km/h) |
| 70 mph (112.65 km/h) | 75.79 mph (121.98 km/h) |
| 75 mph (120.7 km/h) | 81.21 mph (130.69 km/h) |
| 80 mph (128.75 km/h) | 86.62 mph (139.4 km/h) |
| 85 mph (136.79 km/h) | 92.03 mph (148.11 km/h) |
| 90 mph (144.84 km/h) | 97.45 mph (156.83 km/h) |
| 95 mph (152.89 km/h) | 102.86 mph (165.54 km/h) |
| 100 mph (160.93 km/h) | 108.28 mph (174.25 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1828 | 2124 | 2287 | 2388 | 2497 | 2575 | 2660 | 2762 | 2902 | 3042 | 3197 | 3322 | 3547 | 3796 | 3991 | 4115 | 4185 | 4442 | 4800 | 5578 |
Better Fuel Economy Factory Ratios Increased Power
