Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 270/70-16 | 32/11.5-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.88 (784.4) | 32.09 (815.2) | 1.21 (30.8) 3.9% |
| Width inches (mm) | 10.63 (270) | 11.5 (292) | 0.87 (22) 8.1% |
| Circum. inches (mm) | 97.02 (2464.27) | 100.83 (2561.03) | 3.81 (96.76) 3.9% |
| Sidewall Height inches (mm) | 7.44 (189) | 8.05 (204.4) | 0.61 (15.4) 8.1% |
| Revolutions per mile (km) | 653.07 (405.8) | 628.4 (390.47) | -24.67 (-15.33) -3.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.79 mph (33.45 km/h) |
| 25 mph (40.23 km/h) | 25.98 mph (41.81 km/h) |
| 30 mph (48.28 km/h) | 31.18 mph (50.18 km/h) |
| 35 mph (56.33 km/h) | 36.37 mph (58.54 km/h) |
| 40 mph (64.37 km/h) | 41.57 mph (66.9 km/h) |
| 45 mph (72.42 km/h) | 46.77 mph (75.26 km/h) |
| 50 mph (80.47 km/h) | 51.96 mph (83.63 km/h) |
| 55 mph (88.51 km/h) | 57.16 mph (91.99 km/h) |
| 60 mph (96.56 km/h) | 62.36 mph (100.35 km/h) |
| 65 mph (104.61 km/h) | 67.55 mph (108.72 km/h) |
| 70 mph (112.65 km/h) | 72.75 mph (117.08 km/h) |
| 75 mph (120.7 km/h) | 77.94 mph (125.44 km/h) |
| 80 mph (128.75 km/h) | 83.14 mph (133.8 km/h) |
| 85 mph (136.79 km/h) | 88.34 mph (142.17 km/h) |
| 90 mph (144.84 km/h) | 93.53 mph (150.53 km/h) |
| 95 mph (152.89 km/h) | 98.73 mph (158.89 km/h) |
| 100 mph (160.93 km/h) | 103.93 mph (167.25 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1599 | 1858 | 2001 | 2089 | 2184 | 2252 | 2327 | 2416 | 2538 | 2661 | 2797 | 2906 | 3103 | 3321 | 3491 | 3600 | 3661 | 3886 | 4199 | 4879 |
Better Fuel Economy Factory Ratios Increased Power
