Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/40-19 | 275/40-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.72 (678.6) | 27.66 (702.6) | 0.94 (24) 3.5% |
| Width inches (mm) | 9.65 (245) | 10.83 (275) | 1.18 (30) 12.2% |
| Circum. inches (mm) | 83.93 (2131.88) | 86.9 (2207.28) | 2.97 (75.4) 3.5% |
| Sidewall Height inches (mm) | 3.86 (98) | 4.33 (110) | 0.47 (12) 12.2% |
| Revolutions per mile (km) | 754.89 (469.07) | 729.11 (453.04) | -25.79 (-16.02) -3.4% |
275/40-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.71 mph (33.33 km/h) |
| 25 mph (40.23 km/h) | 25.88 mph (41.66 km/h) |
| 30 mph (48.28 km/h) | 31.06 mph (49.99 km/h) |
| 35 mph (56.33 km/h) | 36.24 mph (58.32 km/h) |
| 40 mph (64.37 km/h) | 41.41 mph (66.65 km/h) |
| 45 mph (72.42 km/h) | 46.59 mph (74.98 km/h) |
| 50 mph (80.47 km/h) | 51.77 mph (83.31 km/h) |
| 55 mph (88.51 km/h) | 56.95 mph (91.64 km/h) |
| 60 mph (96.56 km/h) | 62.12 mph (99.98 km/h) |
| 65 mph (104.61 km/h) | 67.3 mph (108.31 km/h) |
| 70 mph (112.65 km/h) | 72.48 mph (116.64 km/h) |
| 75 mph (120.7 km/h) | 77.65 mph (124.97 km/h) |
| 80 mph (128.75 km/h) | 82.83 mph (133.3 km/h) |
| 85 mph (136.79 km/h) | 88.01 mph (141.63 km/h) |
| 90 mph (144.84 km/h) | 93.18 mph (149.96 km/h) |
| 95 mph (152.89 km/h) | 98.36 mph (158.3 km/h) |
| 100 mph (160.93 km/h) | 103.54 mph (166.63 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1855 | 2155 | 2321 | 2424 | 2534 | 2613 | 2700 | 2803 | 2945 | 3087 | 3245 | 3371 | 3600 | 3853 | 4050 | 4177 | 4248 | 4508 | 4872 | 5661 |
Better Fuel Economy Factory Ratios Increased Power
