Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 100/85-19 | 274/65-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.69 (652.6) | 29.02 (737.2) | 3.33 (84.6) 13% |
| Width inches (mm) | 3.94 (100) | 10.79 (274) | 6.85 (174) 174% |
| Circum. inches (mm) | 80.72 (2050.2) | 91.18 (2315.98) | 10.46 (265.78) 13% |
| Sidewall Height inches (mm) | 3.35 (85) | 7.01 (178.1) | 3.67 (93.1) 109.5% |
| Revolutions per mile (km) | 784.97 (487.76) | 694.89 (431.78) | -90.08 (-55.97) -11.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.59 mph (36.36 km/h) |
| 25 mph (40.23 km/h) | 28.24 mph (45.45 km/h) |
| 30 mph (48.28 km/h) | 33.89 mph (54.54 km/h) |
| 35 mph (56.33 km/h) | 39.54 mph (63.63 km/h) |
| 40 mph (64.37 km/h) | 45.19 mph (72.72 km/h) |
| 45 mph (72.42 km/h) | 50.83 mph (81.81 km/h) |
| 50 mph (80.47 km/h) | 56.48 mph (90.9 km/h) |
| 55 mph (88.51 km/h) | 62.13 mph (99.99 km/h) |
| 60 mph (96.56 km/h) | 67.78 mph (109.08 km/h) |
| 65 mph (104.61 km/h) | 73.43 mph (118.17 km/h) |
| 70 mph (112.65 km/h) | 79.07 mph (127.26 km/h) |
| 75 mph (120.7 km/h) | 84.72 mph (136.35 km/h) |
| 80 mph (128.75 km/h) | 90.37 mph (145.44 km/h) |
| 85 mph (136.79 km/h) | 96.02 mph (154.53 km/h) |
| 90 mph (144.84 km/h) | 101.67 mph (163.62 km/h) |
| 95 mph (152.89 km/h) | 107.32 mph (172.71 km/h) |
| 100 mph (160.93 km/h) | 112.96 mph (181.8 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1768 | 2054 | 2212 | 2310 | 2415 | 2491 | 2574 | 2671 | 2807 | 2942 | 3093 | 3213 | 3431 | 3672 | 3860 | 3981 | 4048 | 4297 | 4643 | 5395 |
Better Fuel Economy Factory Ratios Increased Power
