Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 205/90-16 | 29/7.5-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.53 (775.4) | 29.08 (738.74) | -1.44 (-36.66) -4.7% |
| Width inches (mm) | 8.07 (205) | 7.52 (191) | -0.55 (-14) -6.8% |
| Circum. inches (mm) | 95.91 (2435.99) | 91.37 (2320.82) | -4.53 (-115.17) -4.7% |
| Sidewall Height inches (mm) | 7.26 (184.5) | 6.54 (166.17) | -0.72 (-18.33) -9.9% |
| Revolutions per mile (km) | 660.65 (410.51) | 693.44 (430.88) | 32.78 (20.37) 5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.05 mph (30.67 km/h) |
| 25 mph (40.23 km/h) | 23.82 mph (38.33 km/h) |
| 30 mph (48.28 km/h) | 28.58 mph (46 km/h) |
| 35 mph (56.33 km/h) | 33.35 mph (53.66 km/h) |
| 40 mph (64.37 km/h) | 38.11 mph (61.33 km/h) |
| 45 mph (72.42 km/h) | 42.87 mph (69 km/h) |
| 50 mph (80.47 km/h) | 47.64 mph (76.66 km/h) |
| 55 mph (88.51 km/h) | 52.4 mph (84.33 km/h) |
| 60 mph (96.56 km/h) | 57.16 mph (92 km/h) |
| 65 mph (104.61 km/h) | 61.93 mph (99.66 km/h) |
| 70 mph (112.65 km/h) | 66.69 mph (107.33 km/h) |
| 75 mph (120.7 km/h) | 71.45 mph (114.99 km/h) |
| 80 mph (128.75 km/h) | 76.22 mph (122.66 km/h) |
| 85 mph (136.79 km/h) | 80.98 mph (130.33 km/h) |
| 90 mph (144.84 km/h) | 85.74 mph (137.99 km/h) |
| 95 mph (152.89 km/h) | 90.51 mph (145.66 km/h) |
| 100 mph (160.93 km/h) | 95.27 mph (153.33 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1765 | 2050 | 2208 | 2305 | 2410 | 2486 | 2568 | 2666 | 2801 | 2936 | 3086 | 3206 | 3424 | 3664 | 3852 | 3972 | 4040 | 4288 | 4633 | 5384 |
Better Fuel Economy Factory Ratios Increased Power
