Wheels Tyre Test 2016: Ten brands compared

Wheels tyre test

Tyres are not just black and round, they’re also a black art. But we’ve done the science to help pick the best replacement tyre for your SUV.

THE most effective handling upgrade you can give your sports utility vehicle is fitting a road-biased set of tyres in place of the all-surface rubber that carmakers specify as part of the light off-roading SUV promise.

And while the proliferation of the front-drive SUV has seen many makers take this measure into their own hands, the factory-issue boots on many soft-roaders still leave room for improvement.

Drill -on -floor -on -automotive -workshopNot the Hankooks on our Kia Sportage test mule, though; they would have finished third if they were part of the test rather than the control tyre. Like the car itself, they were a surprise package.

An SUV has a higher centre of mass than a regular sedan or wagon, but canny chassis tuning with electronic aids and safety systems means today’s breed is a decidedly safer – and more satisfying – steer than those of a decade ago. With a great set of tyres factored in, it’s a recipe for a safe family machine.

Jame -whitbourn -rear -view -mirrorThe trouble is that our tyre industry sources suggest a low price remains one of the most powerful motivators for reluctant (in other words, most) tyre shoppers. That means the buyers are likely to go in the other direction, replacing the standard tyres on their soft-roader with something cheaper and even more grip-challenged.

For those who see the value in putting a good quality product between their car and the road, which brand and pattern is best? The 2016 Wheels Tyre Test sets out to deliver the answer.

Timing -car -on -trackThe venue was the Ian Luff driver training facility at Sydney Dragway in the city’s west, where seasoned test driver Renato Loberto put each tyre through the wringer.

Loberto was flying blind, not knowing what brand he was on, which left him to provide insightful feedback uncoloured by brand perception or bias, while the stopwatches and Racelogic Performance Box spat out the data.

Testing began with a road loop to scrub the surface of the tyres and let us record a noise figure for each set. Loberto then rolled into the slalom and braking test elements at the grippy far end of the strip before taking to the handling circuit for a series of hot laps, and a second brake test, this time on a consistently wet surface.

Tyre -test -conesEach discipline is scored out of 10. To establish the final scores, noise is marked down to quarter the value of the four primary disciplines, and the totals expressed as a percentage.

We measured track temperature and logged the time before each run and the control tyre was deployed on a regular basis to gather data on track and vehicle evolution, if there was any.

The results and analysis for each brand and pattern in 225/60R17 apply broadly to the other sizes in the range.

The field

Checking -tread -on -worn -tyreNine OE replacement tyres roll up, plus the Hankook Kinergy GT control tyre, which comes standard on the Sportage. The chosen 225/60R17 is a common SUV fitment. Treadwear ratings range from 280 to 560; according to the Uniform Tire Quality Grading system, a 200 treadwear tyre will last twice as long as a 100 tyre. Each tyre bar the AA-rated Continental has a UTQG traction rating of A, and a temperature rating of A. Prices range from $179 to $272, with a median of $211.

The car

Team -testing -Kia -SportageOur test mule needs to be dynamically decent and have switchable ESC so we can assess the tyres without electronic intervention. Choosing an SUV reflects the popularity of the raised wagon. We picked Kia’s mid-spec Sportage SLi diesel AWD. It normally rides on 18s, so we used Si-spec 17s to suit our test rubber. The Sportage surprised with its capable handling and performed more than 50 circuit laps and slalom runs, and more than 100 brake tests, without complaint.

The driver

Renato -Loberto -MotorkineticThe average race driver might have an ego the size of his questionably cool sunnies, but an enviable skill set and a fast-sounding name is enough for Renato Loberto. As a qualified engineer he’s adept at delivering concise feedback. Ren runs MotoKinetic, which offers services from automotive event management to race driver coaching and car set-up. When not racing GT3s, or instructing for Ferrari Corso Pilota, you’ll find Ren in the garage with his Fiat 500.

Jax Tyres and Eagle SMF

Jax -Tyre -team -with -Wheels -tyre -testThe team from JAX Tyres, with equipment and assistance from Eagle SMF Tyre and Automotive Equipment, had the Sydney Dragway scrutineering shed looking like one of their 80-odd retail locations before we’d finished our morning coffee. The tireless (sorry) team stripped and fitted some 20 sets before inflating each tyre to 35psi as per the Kia’s placard. Their assistance was a must. You can find details of your local JAX Tyres store at jaxtyres.com.au.

Ian Luff Motivation Australia

Kia -Sportage -side -mirror -tarmacThe Sydney Dragway-based Ian Luff Drive to Survive program (ianluff.com.au) has been running for more than 30 years, and offers driver education and training from learner tuition to defensive driving to CAMS licence testing. So there’s a course to suit everyone, whether you’re a new driver or a would-be Webber. Many of the Wheels crew are graduates and Luffy’s crew demonstrated during the Tyre Test that the outfit is as polished and friendly as ever.

The ringmaster

James -Whitbourn -testing -carA degree in engineering and considerable road-testing experience sees Sydney motoring journalist Jimmy Whitbourn grid up as Tyre Test data analyst and author for the second time. A former Wheels road test editor, Jimmy went freelance in 2013 and now runs CarHelper.com.au, a personalised service that helps people get the best deal on their new car, while writing and reviewing for this fine publication, WhichCar.com.au and Money Magazine.


THE capacity to safely swerve around an obstacle – and recover from it – is at the core of tyre safety. On a quiet piece of Sydney Dragway tarmac, that obstacle is a witch’s hat, but on the road a child running out from the kerb or another driver’s ill-judged manoeuvre could provide the sudden need to change your car’s course.

Kia -Sportage -slalomOur slalom course packages a series of seven such swerve-and-recover events – spaced 20 metres apart – to put each tyre under intense pressure in a discipline that’s done in less than 10 seconds.

In this era of mandatory ESC, an oversteer moment following an avoidance manoeuvre is no longer; with ESC switched off, as it was for each test discipline, it’s encouraging that even our least polished players resist tail-sliding… most of the time.

The entry speed for the exercise is 60km/h, and we repeat the test until we have three consistent runs. As always, the car’s attitude provides more than a clue about each tyre’s performance, though the stopwatch is the arbiter – the quickest tyre through the slalom is the winner.

WINNER: Continental Premium Contact 5

Renato praises the Continental on first acquaintance. It’s first out of the blocks after the control tyre and exhibits demonstrably “better turn-in” and “less squeal” than the Hankook control, which is a decent performer in its own right. With the entire field through the test, a second run on the Conti helps put its performance into perspective: “Best feel and feedback,” comes the succinct summary. In terms of times, the Continental gets through the slalom a tenth quicker than the next-best (the Goodyear), 0.3sec quicker than the Maxxis in third, and 0.7sec – or about nine percent – quicker than the tail-enders.


BEING able to perform a quick stop was once part of a skilled driver’s arsenal. Now it’s part of the car’s, because ABS means there’s little for the driver to do other than stand on the pedal.

However, the histrionics of the average ABS system means being familiar with how emergency braking feels – ideally at a defensive driving day like those run by Ian Luff – is an asset in a real crash-avoidance scenario. Thankfully Renato has done plenty of hard stops. So, with the driver removed as a variable and a car that pulls up with unfailing consistency, we can test tyres and nothing else.

Kia -Sportage -driving -front -sideThe braking test is conducted on the same smooth section of tarmac, with track evolution (or otherwise) measured by regularly deploying the control tyres. Entry speed is 80km/h, a middle ground chosen because it works the tyres harder and gives a greater scale than stopping from 60km/h, without punishing the equipment like repeated 100km/h stops.

The measure of performance is stopping distance in metres, though we also log peak and average G, and stopping time. The stopping section certainly highlights stark differences in this critical area of tyre performance.

WINNER: Continental Premium Contact 5

“Brake confidence” on the Contis underlines their relatively short stopping distance, those at the other extreme “walked on ABS” (the Maxxis), while the Pirelli experienced “immediate ABS”. The capable mid-field don’t elicit specific comment, behaving predictably and recording stops within about a metre. The best-to-worst differential between the Continental and the Maxxis is 4.8m, or a bit more than a car length. That’s a lot. We know which we’d rather be rolling on if it all went pear-shaped. Even more impressively, the Conti pulls up a metre shorter than the next-best tyre (the Goodyear).


IT’S an unwritten rule that testing tyres can’t be fun – it’s all about rigorous analysis – but it seems the Ian Luff crew missed the memo. The circuit layout they provided is much the same they use for driver training days, and more like a motorkhana than a device for punishing hapless tyre-test drivers.

Kia -Sportage -drivingThe point, of course, is to string every aspect of tyre capability – transient and steady cornering, and braking – into a single discipline.

This year’s lap made the circle test redundant because the slalom and circuit laps provide all the lateral acceleration data we need to dissect a tyre. Three laps on each tyre also introduces heat into the equation, which we measure at the conclusion of each run. A lap contains a quick sweeper, a pair of hairpins, right then left, a short straight, a medium right and finally a chicane.

Time is the measure of performance (the average of three laps) and the results show less than a second covers the field. As it should be, the rank on the circuit is reflected by the overall rank – if you’re looking for a single indicative discipline, this is it.

WINNER: Continental Premium Contact 5

Having already proven to stop well and corner adeptly, the Continental was expected to triumph on the track. Renato quickly notes the Conti’s consistently crisp turn-in response, at least until the fronts get hot and he experiences mild understeer (though this could also be a side-effect of the extra corner speed they allow). In terms of peak lateral acceleration, the Continentals are equal-third with the GT Radial, behind the Goodyear (0.97) and Bridgestone (0.96), but over the course of a lap they ultimately help the Sportage get to the line faster.


IT’S not advisable to fit different tyres on the same axle – mismatched fronts, or mismatched rears, in other words – even if there isn’t a physical axle between them. It’s also less than ideal to fit different tyres at the front than the rear, or so we’re led to believe.

In either case, differences in grip and tyre circumference at each corner could have implications for the balance of the chassis, or the workings of the ESC or all-wheel-drive systems. But with 50 or so tyres lying around, we were in a position to experiment.

Kia -Sportage -rear -sideThe JAX team fitted a Nexen to the left-front and a Maxxis to the right-front. That’s two of the worst-performing tyres tested (not that they’re all that bad) at the end of the car that does the hard work handling-wise. At the rear, they fitted the Conti on the left and the Bridgestone on the right – two of the best tyres tested.

We didn’t know what to expect when Renato wheeled the Sportage onto the test circuit. Would the Kia handle diabolically, or would it be fine?

Well, if you consider the mix of tyres fitted, the fact its points tally would place it fifth overall perhaps isn’t a big surprise. However, the change in poise, and Renato’s feedback, suggest it’s worth avoiding mixing tyres.

Renato, unaware of the hijinks we’d gone to with the Kia, immediately noted that the car felt “inconsistent”, an observation he hadn’t made on any matched set. And we could see that the car didn’t stop straight in the brake test.

Four-up wet braking Wet stop Extra stopping distance Percentage increase
Average 28.3m 1.8m 6.4%


TYRE noise invariably comes in a trade-off with ultimate performance; a tyre is often noisy because it has an aggressive tread pattern. High-grip, soft-compound tyres, on the other hand, can be a low-noise option, provided you’re not overly concerned with wear life. We’d like to measure wear life, but it’s difficult in two days of testing; it’s not that we don’t cause plenty, more that it’s done unevenly, in conditions that don’t represent normal road driving.

Measuring noise is quite straightforward, using an SPL meter set to store a peak figure in decibels over a straight section of coarse-chip road.

Kia -Sportage -tyre -and -rimThe noise test also serves as the opportunity to scrub-in ‘green’ tyres; we only do a handful of kilometres, but it’s enough to remove the smooth, just-moulded finish from the tread blocks.

A hushed tyre can claw back ground on more performance-focused alternatives, though it’s scored at a quarter of the four dynamic exercises, so it doesn’t have as big a bearing on the final results. That said, you can apply your own weighting to tyre noise to arrive at your own outcome.

WINNER: Goodyear Efficient Grip

It stands to reason that the Goodyear Efficient Grip is a quiet tyre – fuel efficiency-focused tyres are designed for low rolling resistance, and one of the ways to do so is with a less-aggressive tread, which thrums up less noise. On the flipside, the aggressive patterns of some high-performance tyres, which can deliver big benefits elsewhere, convert some of their kinetic energy into noise. The Goodyear’s 68.5dB figure is 2.5dB less than the noisiest (Dunlop and Bridgestone), and on the non-linear logarithmic decibel scale that’s a more than noticeable difference in noise. The Kumho, Maxxis and Conti are quiet, too.


IF WE conducted just one tyre test discipline, it would be wet braking. Why? Because this is the area a tyre can really help the average driver get out of trouble. It’s where a tyre proves its worth when it goes wrong on the road. And while the average non-enthusiast might be reluctant to spend-up on tyres in search of crisp turn-in or tenacious traction, they might if they think they’ll save them in the rain.

Kia -Sportage -wet -brakingThe wet stop is also the one that throws up some curious results. Good dry-stoppers don’t always do so well when the taps are turned on – a result of the tread-to-groove area ratio among other factors. Sometimes tyres stop better in the wet than the dry, usually because they’re relatively poor in the dry… but other times for reasons we can’t explain.

The test protocol doesn’t change for the wet test – Renato accelerates to 80km/h before standing on the left pedal – but the watered tarmac here is of a coarser chip than the dry road, which is more like hot-mix. We expected the unexpected, then, and we weren’t disappointed, our sole wet discipline mixing up the order more than any other.

WINNER: Continental Premium Contact 5

To complete a clean-sweep of the dynamic disciplines, the Continental stops shorter than all its rivals in the wet, just as it did in the dry. In fact, its average wet stop is little more than a metre longer than its average dry stop. The other big winners in the wet are the GT Radial (up three spots to snag another third place), Bridgestone (up a place to second) and Kumho (up two positions to sixth). The Dunlop is the disappointment, dropping four spots to eighth. To underline its dominance, the Continental stops 1.4m shorter than the second-placed Bridgestone and 3.5m shorter than the last-placed Maxxis.


THOSE who think about their driving probably give at least a passing thought to stopping distances, and therefore their gap to the car ahead. Just as it does for the salty snack you just dropped on the floor, the old three-second rule applies to setting the space between you and the car in front; you’re leaving enough space to stop if you pass a roadside marker three seconds later.

But did you ever think that you might need a bit more room when you have a car-load of people and luggage on board?

Kia -Sportage -four -up -brakingWith the control tyres fitted to the Sportage, it was easy to find out how much difference three passengers made to the stopping distance. We knew the Kia could do a wet emergency stop from 80km/h in 26.5 metres on average. So its average of 28.3m with helpers Chris, Paul and Rohan in tow and its worst of 28.9m equated to as much as 2.4 metres of extra stopping distance. That’s up to half a car length, or about a nine percent increase.

So we need to count to 3.3 seconds to maintain a safe following gap with the boys along for the trip. Five-up with luggage, it wouldn’t be crazy for holiday-goers to count to four on the freeway.

# Slalom Braking Circuit Tyre Noise Total
# Time (sec) Dry stop (m) Wet stop (m) Lap (sec) SPL (dB) Score/100
Mismatched tyres 8.03 26.00 27.40 28.51 70.00 94.5%


Continental Conti Premium Contact 5

Contintential -tyre -winner -Wheels -tyre -testPERFORMING very well at one or two disciplines while being within cooee of a podium in most others has in previous years been enough to seal outright victory. But that wasn’t how the Continental Conti Premium Contact 5 went about the 2016 Wheels Tyre Test. Its superiority was settled by winning every single dynamic discipline to stand proudly atop the dais.

The only discipline the Conti didn’t win has zero safety or high-performance implications – tyre noise. And it hardly dropped the ball there, coming third just one decibel higher than the hushed Goodyear.

It’s almost impossible to fault the Continental’s performance, though part of the reason it performed better than its rivals was its lower treadwear rating. The 280 figure suggests it will shed tread more quickly than some of its rivals, which had ratings of up to 560.

Writing -tyre -performance -test -resultsThat said, the Dunlop and Bridgestone are in the same region as the Conti (with ratings of 300) and while the Bridgey went close to the Conti’s performance, the Dunlop couldn’t touch it. Clearly, treadwear is just one determinant of grip level.

At $241 a tyre in our chosen size, the Conti costs only $26 more than the average, and $62 more than our least-expensive contender (the Nexen, at $179), but less than the third-placed Bridgestone ($272). So it’s certainly within the realm of the OE-replacement options available on a realistic budget.

Make your own value call, but to us spending $248 extra over a set of tyres for almost 10 percent better performance across a range of driving conditions is wise buying.

Even if you’re not into hard cornering, the fact the Conti stops as much as a car-length shorter in the wet is alone worth the extra outlay.

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