Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 26/11-12 | 27/12-12 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.06 (661.92) | 27.13 (689.1) | 1.07 (27.18) 4.1% |
| Width inches (mm) | 10.98 (279) | 12.01 (305) | 1.02 (26) 9.3% |
| Circum. inches (mm) | 81.87 (2079.48) | 85.23 (2164.87) | 3.36 (85.39) 4.1% |
| Sidewall Height inches (mm) | 7.03 (178.56) | 7.56 (192.15) | 0.54 (13.59) 7.6% |
| Revolutions per mile (km) | 773.92 (480.89) | 743.39 (461.92) | -30.53 (-18.97) -3.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.82 mph (33.51 km/h) |
| 25 mph (40.23 km/h) | 26.03 mph (41.89 km/h) |
| 30 mph (48.28 km/h) | 31.23 mph (50.26 km/h) |
| 35 mph (56.33 km/h) | 36.44 mph (58.64 km/h) |
| 40 mph (64.37 km/h) | 41.64 mph (67.02 km/h) |
| 45 mph (72.42 km/h) | 46.85 mph (75.39 km/h) |
| 50 mph (80.47 km/h) | 52.05 mph (83.77 km/h) |
| 55 mph (88.51 km/h) | 57.26 mph (92.15 km/h) |
| 60 mph (96.56 km/h) | 62.46 mph (100.53 km/h) |
| 65 mph (104.61 km/h) | 67.67 mph (108.9 km/h) |
| 70 mph (112.65 km/h) | 72.87 mph (117.28 km/h) |
| 75 mph (120.7 km/h) | 78.08 mph (125.66 km/h) |
| 80 mph (128.75 km/h) | 83.28 mph (134.03 km/h) |
| 85 mph (136.79 km/h) | 88.49 mph (142.41 km/h) |
| 90 mph (144.84 km/h) | 93.7 mph (150.79 km/h) |
| 95 mph (152.89 km/h) | 98.9 mph (159.17 km/h) |
| 100 mph (160.93 km/h) | 104.11 mph (167.54 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1892 | 2198 | 2367 | 2471 | 2584 | 2665 | 2753 | 2858 | 3003 | 3148 | 3309 | 3437 | 3671 | 3928 | 4130 | 4259 | 4331 | 4597 | 4967 | 5772 |
Better Fuel Economy Factory Ratios Increased Power
