Tests – · 1 test Owners 67 · 70 reviews
Best test result: #6 of 5 in 2019 4x4 Australia All-Terrain Tire Test R17 (overall ranking)
Head-to-head
Updated
Nexen Roadian AT Pro RA8 vs Kumho Road Venture AT51 — Compared
Relative Score (0–100): 60% professional tests, 40% owner reviews.
Roadian AT Pro RA8 leads, 67–65 Narrow edge
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Tests – · none yet Owners 64 · 154 reviews
Best test result: #17 of 13 in 2018 SA4x4 All-Terrain Tire Test R17 (overall ranking)
Category by category
Relative Score per category, 0–100. Open “Why this score” for the tests and owner ratings behind it.
-
66
Dry
Road Venture AT51 +167Why this score
Source Roadian AT Pro RA8 Road Venture AT51 Reviews found online 66 67 -
70
Wet
Roadian AT Pro RA8 +169Why this score
Source Roadian AT Pro RA8 Road Venture AT51 Reviews found online 69 69 -
69
Snow
Roadian AT Pro RA8 +168Why this score
Source Roadian AT Pro RA8 Road Venture AT51 Reviews found online 68 68 -
66
Comfort
Level66Why this score
Source Roadian AT Pro RA8 Road Venture AT51 Reviews found online 64 63 -
68
Noise
Roadian AT Pro RA8 +464Why this score
Source Roadian AT Pro RA8 Road Venture AT51 Reviews found online 70 59 -
67
Treadwear
Roadian AT Pro RA8 +661Why this score
Source Roadian AT Pro RA8 Road Venture AT51 Professional tests (TWG score) 66 – Reviews found online 69 57 -
65
Handling
Roadian AT Pro RA8 +362Why this score
Source Roadian AT Pro RA8 Road Venture AT51 Reviews found online 65 62
Scores at a glance
| Category | Nexen Roadian AT Pro RA8 | Kumho Road Venture AT51 |
|---|---|---|
| Relative Score | 67 | 65 |
| Dry | 66 | 67 |
| Wet | 70 | 69 |
| Snow | 69 | 68 |
| Comfort | 66 | 66 |
| Noise | 68 | 64 |
| Treadwear | 67 | 61 |
| Handling | 65 | 62 |
Higher is better. The Relative Score follows your weights below; category scores do not change.
Weight the categories that matter to you
Wet grip and treadwear start at “Important” — the two things buyers rank highest. Move the sliders and the scores update instantly.
Important
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Neutral
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Less important
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Important
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Neutral
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Recomputed
Headline score
67
/ 100
Roadian AT Pro RA8
65
/ 100
Road Venture AT51
The professional test results behind the scores
Each result is shown as % of the best tire in that test. “Same test” rows are the strictest comparison: both tires were measured side by side.
| Discipline | Category | Roadian AT Pro RA8 | Road Venture AT51 | Δ | Both? |
|---|---|---|---|---|---|
| Overall Ranking | Overall | 17% #6/5 · 2019 4x4 Australia All-Terrain Tire Test R17 | -7% #17/13 · 2018 SA4x4 All-Terrain Tire Test R17 | +23.3 | Different tests |
Pros, cons & observations
Themes extracted from owner reviews found online — not the opinion of TireWheelGuide.
Tire A Roadian AT Pro RA8
Not enough owner reviews yet to extract themes.
Tire B Road Venture AT51
Pros
- Exceptional value and affordable price point compared to premium competitors
- Impressive traction and confidence in snow and winter conditions
- Quiet and smooth highway ride with minimal road noise for an all-terrain tire
Cons
- Faster-than-expected tread wear for some users under heavy or everyday use
- Poor self-cleaning capabilities in deep or heavy mud
- Reduced wet traction and potential slippage when the tread wears low
Specs side by side
| Attribute | A · Nexen Roadian AT Pro RA8 | B · Kumho Road Venture AT51 |
|---|---|---|
| Vehicle type | SUV and 4x4 | SUV and 4x4 |
| Sizes available | 39 | 10 |
| Rim diameters | 15″ – 22″ | 15″ – 18″ |
| Tread depth | 13/32″ | 13.5/32″ |
| UTQG | 560 A B | 540 A A |
| Treadwear warranty | 50,000 mi | 55,000 mi |
| Sidewall | Outlined White Lettering | Blackwall |
| Max pressure | 51 psi | 65 psi |
Which one should you actually buy?
67
/ 100
Nexen Roadian AT Pro RA8
65
/ 100
Kumho Road Venture AT51
Winner: Nexen Roadian AT Pro RA8 — better treadwear, noise and handling. It leads or ties in every category we score.
Pick tire A
You want the longest tread life
Nexen Roadian AT Pro RA8 scores 67 vs 61 on treadwear.
Pick tire A
You want a quieter cabin
Nexen Roadian AT Pro RA8 scores 68 vs 64 on noise.
Pick tire A
You enjoy sharp, responsive handling
Nexen Roadian AT Pro RA8 scores 65 vs 62 on handling.
Tire A · Nexen Roadian AT Pro RA8
Tire B · Kumho Road Venture AT51
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How do we compare tires?
Every category score blends two independent signals. 60% comes from professional tire tests (braking distances, lap times, noise measurements), each result compared with every other tire in the same test and newer tests counting more. 40% comes from owner reviews found online, adjusted for how generously each site rates. Both use one scale: the average tested tire gets 70, the best 100. When a tire has only one of the two, the missing half is estimated from the other and the score stays closer to average; with no road test and fewer than five owner reviews it gets no score yet.
Community buzz from Reddit and forums is shown for context only — it never changes the score.