255/55R19 tire size
A 255/55R19 tire is 255 mm wide with a 140.3 mm sidewall, 55% of the width, on a 19-inch rim, which puts the whole tire at 763.1 mm, or about 30.0 inches, tall. No model in our data leaves the factory on it, but it can replace the original size on 14 models within 3% of the height.
Overall height
763.1 mm
30.0 in
Sidewall
140.3 mm
55%
Circumference
2,397 mm
Revs per km
417
Actual dimensions of 255/55R19
| Section width | 255 mm (10.0 in) |
| Sidewall height | 140.3 mm (5.52 in) |
| Rim diameter | 19 in (482.6 mm) |
| Overall diameter | 763.1 mm (30.0 in) |
| Circumference | 2,397 mm |
| Revolutions per km | 417 |
| Inch notation (height x width) | 30.0x10.0R19 |
Worked out: sidewall 255 x 0.55 = 140.25 mm, rim 19 x 25.4 = 482.6 mm, overall 482.6 + (140.25 x 2) = 763.1 mm, circumference 3.1416 x 763.1 = 2,397 mm. One turn of the tire moves the car about 2.40 m, which is 417 turns per kilometer. New to sidewall codes? See how to read a tire size.
These are nominal figures from the standard formula. Real tires vary slightly by brand and squat a little under the weight of the car.
Cars fitted with 255/55R19 from the factory
No model sold in Thailand in our data leaves the factory on 255/55R19.
Cars that can switch to 255/55R19
These cars leave the factory on another size within 3% of the height of 255/55R19. Whether it fits still depends on rim width and wheel-well clearance.
| Model | Factory size | Height difference | Wheel |
|---|---|---|---|
| Honda CR-V2023–present | 235/55R19 | +2.97% | Same wheel |
| Nissan Navara2021–present | 255/60R18 | −0.01% | Needs 19-inch wheels |
| Nissan NP300 Navara2014–2020 | 255/60R18 | −0.01% | Needs 19-inch wheels |
| MG ExtenderCurrent model | 255/60R18 | −0.01% | Needs 19-inch wheels |
| Isuzu D-Max2020–present | 255/65R17 | −0.03% | Needs 19-inch wheels |
| Isuzu D-Max2012–2019 | 255/65R17 | −0.03% | Needs 19-inch wheels |
| Isuzu MU-X2021–present | 255/65R17 | −0.03% | Needs 19-inch wheels |
| Toyota Fortuner2015–present | 265/60R18 | −1.56% | Needs 19-inch wheels |
| Toyota Hilux Revo2015–2025 | 265/60R18 | −1.56% | Needs 19-inch wheels |
| Toyota Hilux TRAVO2025–present | 265/60R18 | −1.56% | Needs 19-inch wheels |
| Mitsubishi Pajero Sport2015–present | 265/60R18 | −1.56% | Needs 19-inch wheels |
| Mitsubishi Triton2024–present | 265/60R18 | −1.56% | Needs 19-inch wheels |
Showing the 12 closest of 14 models.
Sizes that can replace 255/55R19
Sizes within ±3% of the overall height of 255/55R19. “At 100 km/h” is the real speed when the speedometer reads 100.
| Size | Height | Difference | At 100 km/h | Sidewall | Match | Compare |
|---|---|---|---|---|---|---|
| 255/50R20 | 763.0 mm | −0.1 mm (−0.01%) | 100.0 km/h | 127.5 mm | Very close | Compare |
| 255/60R18 | 763.2 mm | +0.1 mm (+0.01%) | 100.0 km/h | 153.0 mm | Very close | Compare |
| 235/65R18 | 762.7 mm | −0.4 mm (−0.05%) | 99.9 km/h | 152.8 mm | Very close | Compare |
| 265/50R20 | 773.0 mm | +9.9 mm (+1.30%) | 101.3 km/h | 132.5 mm | Close | Compare |
| 245/55R19 | 752.1 mm | −11.0 mm (−1.44%) | 98.6 km/h | 134.8 mm | Close | Compare |
| 245/60R18 | 751.2 mm | −11.9 mm (−1.56%) | 98.4 km/h | 147.0 mm | Close | Compare |
| 265/60R18 | 775.2 mm | +12.1 mm (+1.59%) | 101.6 km/h | 159.0 mm | Close | Compare |
| 265/45R20 | 746.5 mm | −16.6 mm (−2.18%) | 97.8 km/h | 119.3 mm | Within range | Compare |
- Keeping your wheels, the closest is 245/55R19 at 752.1 mm, −11.0 mm (−1.44%) from the original. With the speedometer on 100 km/h, the car would actually be doing about 98.6 km/h. Ground clearance drops by about 5.5 mm.
- Moving up to 20-inch wheels, the closest height match is 255/50R20 (−0.01%), with the sidewall dropping from 140.3 mm to 127.5 mm.
- Going down to 18-inch wheels, 255/60R18 (+0.01%) is the closest match and raises the sidewall to 153.0 mm.
- A larger or wider tire also changes acceleration, fuel use and steering weight, so look beyond the percentage.
Buying 255/55R19 tires
Pickup sizes like this come in quieter, softer H/T tread for paved roads and A/T tread for gravel, which costs more and is noisier. Choose for the roads you actually drive.
Check the production date in the DOT code before paying.
Check current prices
Search by brand
Links open marketplace search results; prices change constantly and not every brand makes this size.
Load index and speed rating for 255/55R19
The code after the size on the sidewall, as in 255/55R19 107S, is the load index and speed symbol. The common ratings for this size:
| Version | Index | Per tire | Four tires |
|---|---|---|---|
| Standard load (SL) | 107 | 975 kg | 3,900 kg |
| Extra load (XL) | 111 | 1,090 kg | 4,360 kg |
The new tire's load index and speed symbol must be no lower than the door placard, and it only carries its rated load at the correct pressure.
Common speed symbols in this size
S
180 km/h
T
190 km/h
H
210 km/h
255/55R19 questions
How tall is a 255/55R19 tire?
About 30.0 inches, or 763.1 mm, from top to bottom before it carries weight. Each sidewall is 140.3 mm tall and the tire is 255 mm (10.0 in) wide.
Which cars use 255/55R19 tires?
No car in our data is fitted with 255/55R19 from the factory, but its height is close to the original size on Honda CR-V, Nissan Navara, Nissan NP300 Navara, MG Extender and Isuzu D-Max, so it works as a replacement size.
Can I fit 245/55R19 instead of 255/55R19?
Size-wise, yes: the height differs by −1.44% (−11.0 mm), so an indicated 100 km/h is really about 98.6 km/h. The tread is 10 mm narrower. Check rim width and load index first.
How much weight can a 255/55R19 tire carry?
Most standard-load versions carry load index 107: 975 kg per tire, 3,900 kg across four. XL versions are rated 111, or 1,090 kg per tire. Look for the number after the size on the sidewall, as in 255/55R19 107S.
Other 19-inch sizes
To compare other sizes yourself, use the tire size calculator; changing rim size, try plus/minus sizing; and see speedometer error by speed.