Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/80-14 | 29/11-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.54 (699.6) | 28.94 (735.04) | 1.4 (35.44) 5.1% |
| Width inches (mm) | 8.46 (215) | 10.98 (279) | 2.52 (64) 29.8% |
| Circum. inches (mm) | 86.53 (2197.86) | 90.91 (2309.2) | 4.38 (111.34) 5.1% |
| Sidewall Height inches (mm) | 6.77 (172) | 7.47 (189.72) | 0.7 (17.72) 10.3% |
| Revolutions per mile (km) | 732.23 (454.99) | 696.93 (433.05) | -35.3 (-21.94) -4.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.01 mph (33.82 km/h) |
| 25 mph (40.23 km/h) | 26.27 mph (42.27 km/h) |
| 30 mph (48.28 km/h) | 31.52 mph (50.73 km/h) |
| 35 mph (56.33 km/h) | 36.77 mph (59.18 km/h) |
| 40 mph (64.37 km/h) | 42.03 mph (67.63 km/h) |
| 45 mph (72.42 km/h) | 47.28 mph (76.09 km/h) |
| 50 mph (80.47 km/h) | 52.53 mph (84.54 km/h) |
| 55 mph (88.51 km/h) | 57.79 mph (93 km/h) |
| 60 mph (96.56 km/h) | 63.04 mph (101.45 km/h) |
| 65 mph (104.61 km/h) | 68.29 mph (109.91 km/h) |
| 70 mph (112.65 km/h) | 73.55 mph (118.36 km/h) |
| 75 mph (120.7 km/h) | 78.8 mph (126.82 km/h) |
| 80 mph (128.75 km/h) | 84.05 mph (135.27 km/h) |
| 85 mph (136.79 km/h) | 89.31 mph (143.72 km/h) |
| 90 mph (144.84 km/h) | 94.56 mph (152.18 km/h) |
| 95 mph (152.89 km/h) | 99.81 mph (160.63 km/h) |
| 100 mph (160.93 km/h) | 105.07 mph (169.09 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1774 | 2060 | 2219 | 2317 | 2423 | 2498 | 2581 | 2679 | 2815 | 2951 | 3102 | 3223 | 3441 | 3683 | 3872 | 3992 | 4060 | 4309 | 4657 | 5411 |
Better Fuel Economy Factory Ratios Increased Power
