Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 26/12-12 | 27/11-12 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.93 (658.6) | 26.94 (684.24) | 1.01 (25.64) 3.9% |
| Width inches (mm) | 12.01 (305) | 10.98 (279) | -1.02 (-26) -8.5% |
| Circum. inches (mm) | 81.46 (2069.05) | 84.63 (2149.6) | 3.17 (80.55) 3.9% |
| Sidewall Height inches (mm) | 6.96 (176.9) | 7.47 (189.72) | 0.5 (12.82) 7.2% |
| Revolutions per mile (km) | 777.82 (483.31) | 748.67 (465.2) | -29.15 (-18.11) -3.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.78 mph (33.44 km/h) |
| 25 mph (40.23 km/h) | 25.97 mph (41.8 km/h) |
| 30 mph (48.28 km/h) | 31.17 mph (50.16 km/h) |
| 35 mph (56.33 km/h) | 36.36 mph (58.52 km/h) |
| 40 mph (64.37 km/h) | 41.56 mph (66.88 km/h) |
| 45 mph (72.42 km/h) | 46.75 mph (75.24 km/h) |
| 50 mph (80.47 km/h) | 51.95 mph (83.6 km/h) |
| 55 mph (88.51 km/h) | 57.14 mph (91.96 km/h) |
| 60 mph (96.56 km/h) | 62.34 mph (100.32 km/h) |
| 65 mph (104.61 km/h) | 67.53 mph (108.68 km/h) |
| 70 mph (112.65 km/h) | 72.73 mph (117.04 km/h) |
| 75 mph (120.7 km/h) | 77.92 mph (125.4 km/h) |
| 80 mph (128.75 km/h) | 83.11 mph (133.76 km/h) |
| 85 mph (136.79 km/h) | 88.31 mph (142.12 km/h) |
| 90 mph (144.84 km/h) | 93.5 mph (150.48 km/h) |
| 95 mph (152.89 km/h) | 98.7 mph (158.84 km/h) |
| 100 mph (160.93 km/h) | 103.89 mph (167.2 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1905 | 2213 | 2384 | 2489 | 2602 | 2684 | 2773 | 2878 | 3024 | 3170 | 3332 | 3462 | 3697 | 3956 | 4159 | 4289 | 4362 | 4629 | 5002 | 5813 |
Better Fuel Economy Factory Ratios Increased Power
