Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 260/65-18 | 270/65-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.31 (795.2) | 31.82 (808.2) | 0.51 (13) 1.6% |
| Width inches (mm) | 10.24 (260) | 10.63 (270) | 0.39 (10) 3.8% |
| Circum. inches (mm) | 98.35 (2498.19) | 99.96 (2539.04) | 1.61 (40.84) 1.6% |
| Sidewall Height inches (mm) | 6.65 (169) | 6.91 (175.5) | 0.26 (6.5) 3.8% |
| Revolutions per mile (km) | 644.2 (400.29) | 633.84 (393.85) | -10.36 (-6.44) -1.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.33 mph (32.71 km/h) |
| 25 mph (40.23 km/h) | 25.41 mph (40.89 km/h) |
| 30 mph (48.28 km/h) | 30.49 mph (49.07 km/h) |
| 35 mph (56.33 km/h) | 35.57 mph (57.25 km/h) |
| 40 mph (64.37 km/h) | 40.65 mph (65.43 km/h) |
| 45 mph (72.42 km/h) | 45.74 mph (73.6 km/h) |
| 50 mph (80.47 km/h) | 50.82 mph (81.78 km/h) |
| 55 mph (88.51 km/h) | 55.9 mph (89.96 km/h) |
| 60 mph (96.56 km/h) | 60.98 mph (98.14 km/h) |
| 65 mph (104.61 km/h) | 66.06 mph (106.32 km/h) |
| 70 mph (112.65 km/h) | 71.14 mph (114.5 km/h) |
| 75 mph (120.7 km/h) | 76.23 mph (122.67 km/h) |
| 80 mph (128.75 km/h) | 81.31 mph (130.85 km/h) |
| 85 mph (136.79 km/h) | 86.39 mph (139.03 km/h) |
| 90 mph (144.84 km/h) | 91.47 mph (147.21 km/h) |
| 95 mph (152.89 km/h) | 96.55 mph (155.39 km/h) |
| 100 mph (160.93 km/h) | 101.63 mph (163.57 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1613 | 1874 | 2018 | 2107 | 2203 | 2272 | 2347 | 2437 | 2560 | 2684 | 2821 | 2931 | 3130 | 3350 | 3521 | 3631 | 3693 | 3919 | 4235 | 4921 |
Better Fuel Economy Factory Ratios Increased Power
