Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 270/70-16 | 270/60-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.88 (784.4) | 30.76 (781.2) | -0.13 (-3.2) -0.4% |
| Width inches (mm) | 10.63 (270) | 10.63 (270) | 0 (0) 0% |
| Circum. inches (mm) | 97.02 (2464.27) | 96.62 (2454.21) | -0.4 (-10.05) -0.4% |
| Sidewall Height inches (mm) | 7.44 (189) | 6.38 (162) | -1.06 (-27) -14.3% |
| Revolutions per mile (km) | 653.07 (405.8) | 655.75 (407.46) | 2.68 (1.66) 0.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.92 mph (32.06 km/h) |
| 25 mph (40.23 km/h) | 24.9 mph (40.07 km/h) |
| 30 mph (48.28 km/h) | 29.88 mph (48.08 km/h) |
| 35 mph (56.33 km/h) | 34.86 mph (56.1 km/h) |
| 40 mph (64.37 km/h) | 39.84 mph (64.11 km/h) |
| 45 mph (72.42 km/h) | 44.82 mph (72.13 km/h) |
| 50 mph (80.47 km/h) | 49.8 mph (80.14 km/h) |
| 55 mph (88.51 km/h) | 54.78 mph (88.15 km/h) |
| 60 mph (96.56 km/h) | 59.76 mph (96.17 km/h) |
| 65 mph (104.61 km/h) | 64.73 mph (104.18 km/h) |
| 70 mph (112.65 km/h) | 69.71 mph (112.19 km/h) |
| 75 mph (120.7 km/h) | 74.69 mph (120.21 km/h) |
| 80 mph (128.75 km/h) | 79.67 mph (128.22 km/h) |
| 85 mph (136.79 km/h) | 84.65 mph (136.24 km/h) |
| 90 mph (144.84 km/h) | 89.63 mph (144.25 km/h) |
| 95 mph (152.89 km/h) | 94.61 mph (152.26 km/h) |
| 100 mph (160.93 km/h) | 99.59 mph (160.28 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1669 | 1939 | 2088 | 2180 | 2279 | 2350 | 2429 | 2521 | 2649 | 2777 | 2919 | 3032 | 3238 | 3465 | 3643 | 3756 | 3820 | 4055 | 4381 | 5091 |
Better Fuel Economy Factory Ratios Increased Power
