Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/40-21 | 295/35-21 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.66 (753.4) | 29.13 (739.9) | -0.53 (-13.5) -1.8% |
| Width inches (mm) | 10.83 (275) | 11.61 (295) | 0.79 (20) 7.3% |
| Circum. inches (mm) | 93.18 (2366.88) | 91.51 (2324.46) | -1.67 (-42.41) -1.8% |
| Sidewall Height inches (mm) | 4.33 (110) | 4.06 (103.25) | -0.27 (-6.75) -6.1% |
| Revolutions per mile (km) | 679.94 (422.5) | 692.35 (430.21) | 12.41 (7.71) 1.8% |
295/35-21 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.64 mph (31.61 km/h) |
| 25 mph (40.23 km/h) | 24.55 mph (39.51 km/h) |
| 30 mph (48.28 km/h) | 29.46 mph (47.42 km/h) |
| 35 mph (56.33 km/h) | 34.37 mph (55.32 km/h) |
| 40 mph (64.37 km/h) | 39.28 mph (63.22 km/h) |
| 45 mph (72.42 km/h) | 44.19 mph (71.12 km/h) |
| 50 mph (80.47 km/h) | 49.1 mph (79.03 km/h) |
| 55 mph (88.51 km/h) | 54.01 mph (86.93 km/h) |
| 60 mph (96.56 km/h) | 58.92 mph (94.83 km/h) |
| 65 mph (104.61 km/h) | 63.84 mph (102.73 km/h) |
| 70 mph (112.65 km/h) | 68.75 mph (110.64 km/h) |
| 75 mph (120.7 km/h) | 73.66 mph (118.54 km/h) |
| 80 mph (128.75 km/h) | 78.57 mph (126.44 km/h) |
| 85 mph (136.79 km/h) | 83.48 mph (134.34 km/h) |
| 90 mph (144.84 km/h) | 88.39 mph (142.25 km/h) |
| 95 mph (152.89 km/h) | 93.3 mph (150.15 km/h) |
| 100 mph (160.93 km/h) | 98.21 mph (158.05 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1762 | 2047 | 2204 | 2302 | 2407 | 2482 | 2564 | 2662 | 2797 | 2932 | 3081 | 3201 | 3419 | 3659 | 3846 | 3966 | 4034 | 4281 | 4626 | 5376 |
Better Fuel Economy Factory Ratios Increased Power
