Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/35-15 | 355/40-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.58 (573.5) | 31.18 (792) | 8.6 (218.5) 38.1% |
| Width inches (mm) | 10.83 (275) | 13.98 (355) | 3.15 (80) 29.1% |
| Circum. inches (mm) | 70.93 (1801.7) | 97.96 (2488.14) | 27.03 (686.44) 38.1% |
| Sidewall Height inches (mm) | 3.79 (96.25) | 5.59 (142) | 1.8 (45.75) 47.5% |
| Revolutions per mile (km) | 893.23 (555.03) | 646.81 (401.91) | -246.43 (-153.12) -27.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 27.62 mph (44.45 km/h) |
| 25 mph (40.23 km/h) | 34.52 mph (55.56 km/h) |
| 30 mph (48.28 km/h) | 41.43 mph (66.67 km/h) |
| 35 mph (56.33 km/h) | 48.33 mph (77.79 km/h) |
| 40 mph (64.37 km/h) | 55.24 mph (88.9 km/h) |
| 45 mph (72.42 km/h) | 62.14 mph (100.01 km/h) |
| 50 mph (80.47 km/h) | 69.05 mph (111.12 km/h) |
| 55 mph (88.51 km/h) | 75.95 mph (122.24 km/h) |
| 60 mph (96.56 km/h) | 82.86 mph (133.35 km/h) |
| 65 mph (104.61 km/h) | 89.76 mph (144.46 km/h) |
| 70 mph (112.65 km/h) | 96.67 mph (155.57 km/h) |
| 75 mph (120.7 km/h) | 103.57 mph (166.69 km/h) |
| 80 mph (128.75 km/h) | 110.48 mph (177.8 km/h) |
| 85 mph (136.79 km/h) | 117.38 mph (188.91 km/h) |
| 90 mph (144.84 km/h) | 124.29 mph (200.02 km/h) |
| 95 mph (152.89 km/h) | 131.19 mph (211.14 km/h) |
| 100 mph (160.93 km/h) | 138.1 mph (222.25 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1646 | 1912 | 2059 | 2150 | 2248 | 2318 | 2395 | 2487 | 2613 | 2739 | 2879 | 2991 | 3194 | 3418 | 3593 | 3705 | 3768 | 3999 | 4322 | 5022 |
Better Fuel Economy Factory Ratios Increased Power
