Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 130/70-19 | 310/35-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.17 (664.6) | 26.54 (674.2) | 0.38 (9.6) 1.4% |
| Width inches (mm) | 5.12 (130) | 12.2 (310) | 7.09 (180) 138.5% |
| Circum. inches (mm) | 82.2 (2087.9) | 83.39 (2118.06) | 1.19 (30.16) 1.4% |
| Sidewall Height inches (mm) | 3.58 (91) | 4.27 (108.5) | 0.69 (17.5) 19.2% |
| Revolutions per mile (km) | 770.79 (478.95) | 759.82 (472.13) | -10.98 (-6.82) -1.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.29 mph (32.65 km/h) |
| 25 mph (40.23 km/h) | 25.36 mph (40.81 km/h) |
| 30 mph (48.28 km/h) | 30.43 mph (48.98 km/h) |
| 35 mph (56.33 km/h) | 35.51 mph (57.14 km/h) |
| 40 mph (64.37 km/h) | 40.58 mph (65.3 km/h) |
| 45 mph (72.42 km/h) | 45.65 mph (73.47 km/h) |
| 50 mph (80.47 km/h) | 50.72 mph (81.63 km/h) |
| 55 mph (88.51 km/h) | 55.79 mph (89.79 km/h) |
| 60 mph (96.56 km/h) | 60.87 mph (97.96 km/h) |
| 65 mph (104.61 km/h) | 65.94 mph (106.12 km/h) |
| 70 mph (112.65 km/h) | 71.01 mph (114.28 km/h) |
| 75 mph (120.7 km/h) | 76.08 mph (122.44 km/h) |
| 80 mph (128.75 km/h) | 81.16 mph (130.61 km/h) |
| 85 mph (136.79 km/h) | 86.23 mph (138.77 km/h) |
| 90 mph (144.84 km/h) | 91.3 mph (146.93 km/h) |
| 95 mph (152.89 km/h) | 96.37 mph (155.1 km/h) |
| 100 mph (160.93 km/h) | 101.44 mph (163.26 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1934 | 2246 | 2419 | 2526 | 2641 | 2723 | 2814 | 2921 | 3069 | 3217 | 3382 | 3513 | 3752 | 4015 | 4221 | 4353 | 4427 | 4698 | 5077 | 5900 |
Better Fuel Economy Factory Ratios Increased Power
