Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 240/55-16 | 270/60-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.39 (670.4) | 29.76 (755.8) | 3.36 (85.4) 12.7% |
| Width inches (mm) | 9.45 (240) | 10.63 (270) | 1.18 (30) 12.5% |
| Circum. inches (mm) | 82.92 (2106.12) | 93.48 (2374.42) | 10.56 (268.29) 12.7% |
| Sidewall Height inches (mm) | 5.2 (132) | 6.38 (162) | 1.18 (30) 22.7% |
| Revolutions per mile (km) | 764.13 (474.81) | 677.79 (421.16) | -86.34 (-53.65) -11.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.55 mph (36.29 km/h) |
| 25 mph (40.23 km/h) | 28.18 mph (45.36 km/h) |
| 30 mph (48.28 km/h) | 33.82 mph (54.43 km/h) |
| 35 mph (56.33 km/h) | 39.46 mph (63.5 km/h) |
| 40 mph (64.37 km/h) | 45.1 mph (72.57 km/h) |
| 45 mph (72.42 km/h) | 50.73 mph (81.65 km/h) |
| 50 mph (80.47 km/h) | 56.37 mph (90.72 km/h) |
| 55 mph (88.51 km/h) | 62.01 mph (99.79 km/h) |
| 60 mph (96.56 km/h) | 67.64 mph (108.86 km/h) |
| 65 mph (104.61 km/h) | 73.28 mph (117.93 km/h) |
| 70 mph (112.65 km/h) | 78.92 mph (127 km/h) |
| 75 mph (120.7 km/h) | 84.55 mph (136.08 km/h) |
| 80 mph (128.75 km/h) | 90.19 mph (145.15 km/h) |
| 85 mph (136.79 km/h) | 95.83 mph (154.22 km/h) |
| 90 mph (144.84 km/h) | 101.46 mph (163.29 km/h) |
| 95 mph (152.89 km/h) | 107.1 mph (172.36 km/h) |
| 100 mph (160.93 km/h) | 112.74 mph (181.44 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1725 | 2004 | 2158 | 2253 | 2356 | 2429 | 2510 | 2606 | 2738 | 2870 | 3017 | 3134 | 3347 | 3582 | 3765 | 3883 | 3949 | 4191 | 4529 | 5263 |
Better Fuel Economy Factory Ratios Increased Power
