The Mazda MX-5 NA Buying Guide – The origin of the species

The Mazda MX-5 as best-selling roadster in history started its journey here, for some enthusiasts it is still the one to have.

The original Mazda MX-5 may seem like an obvious recipe for success in hindsight, but, when it first came to market in 1989 there hadn’t been a decent roadster on sale for almost a decade. Most had been relics from the British roadsters golden age so the timing for a modern interpretation couldn’t have been better.

The formula that made the MX-5 such a hit was a rather simple one. It stuck to the traditional front-engine, rear-wheel-drive roadster layout, which also gave it near perfect 50:50 weight distribution. An all-steel bodyshell with a longitudinal truss helping reduce chassis flex was used, independent double wishbone suspension all-round helped keep the car planted in corners and the sub-1,000kg kerb weight meant that even the base 1.6-litre engine provided ample thrust.

A logically laid out interior with just the bare essentials rounded off the package, the result was a car that became an international sales success like no other roadster before or since. The first-generation models remained in production for eight years and while the basic underpinnings remained largely the same, a 1.8-litre engine was introduced in 1994 and numerous special edition models were also released.

Performance enhancements like limited-slip differentials, Bilstein dampers and lightweight wheels were gradually introduced and aftermarket modifications soon followed. Today there are a number of specialists that are happy to bolt a turbo to your MX-5 or turn it into a serious trackday weapon, but, as is usually the case, the original unmodified cars are the ones that remain the most desirable.

Mazda MX-5 Engine and gearbox

Both 1.6 and 1.8-litre engines are capable of big mileages if serviced regularly. Oil leaks are not uncommon but can generally be traced to perished gaskets.

Timing belts should ideally be replaced every 60,000-miles, oil changes should not extend beyond 10,000-miles at most. Check for a loose crank pulley when the engine is running and if you hear knocking or whining noises then have the timing belt and water pump checked as well.

Some cars may have had aftermarket air filters, cams and other performance enhancing modifications carried out, as long as it was done by a reputable specialist then this should not be an issue. Turbo and supercharger conversions are popular too and the same criteria applies, although the extra power can shorten the lifespan of the drivetrain.

UK-spec cars came with a five-speed manual while some Eunos imports had a four-speed auto ‘box. Both are well up to the job and issues like leaking slave cylinders and worn clutch-release bearings are not overly expensive to rectify.

Mazda MX-5 Suspension and brakes

The standard suspension setup is robust but have a look for seized calipers, cracked rubber bushes and corroded front suspension arms. Oversized wheels can detrimentally affect the ride as well as put extra strain on the wheel bearings. The brakes are fine for fast road use and don’t need much attention aside from periodic pad changes.

Mazda MX-5 Bodywork and interior

There may have been hundreds of thousands built, but rust has trimmed first-gen MX-5 numbers down over the years. Make sure to look for corrosion around the sills, window frames, wheel arches and boot and footwells. Damp carpets can indicate a worn soft top, replacements are available but factor this cost into your purchase price.

Uneven panel gaps, mismatched paintwork and overspray can all point to previous accident damage.

The interior trim is prone to wear after so many years, especially when the roof is left down often. Seats and door trims can look tacky and some owners may have either recovered or repaired them. The electronics are reliable but check that all the buttons and switches work, a slow operating electric window may require replacement bushes or simply a good clean of the window runners.

Model History OF The Mazda MX-5

Which Mazda MX-5 to buy

1989:     First-generation NA Mazda MX-5 introduced

European variants get 114bhp 1.6-litre motor with five-speed manual gearbox

1994:     128bhp 1.8-litre motor replaces 114bhp 1.6-litre unit, 88bhp 1.6-litre motor introduced as entry-level option

Optional LSD changes from viscous to Torsen type

M editions introduced

1996:     1.8-litre motor upgraded to 133bhp

1997:     NA MX-5 production ends

Numerous special edition models were sold, notable variants include the M-edition models which were sold from 1994-1997. These models had unique exterior colours and most came standard with a limited-slip diff.

The NA MX-5 was sold as the Eunos Roadster in Japan and a number have been imported into the UK, while they may have been grey imports, there is nothing wrong with them and many have higher specs than the officially sold cars. Rust, missed services and suspect modifications are the main things to avoid here, while they may have been built in huge numbers, good examples are increasingly hard to come by.

Outright speed is not the point of the MX-5 but the 1.8-litre models do offer more torque and are more responsive at lower revs as a result. The 115bhp 1.6-litre is still a great car, but they did drop to 88bhp from 1994-on when the 1.8-litre model was introduced. Something else you might want to avoid are the handful of automatic Eunos models out there, they are generally cheaper than other variants but for good reason.

The majority of cars are still in the very affordable category for most first-gen models, even limited-edition variants with low mileages are keenly priced so spend as much as you can afford and get ready to become an MX-5 convert.

Mazda MX-5 Specifications

1.6-litre inline-four

Power:                 88-115bhp

Top speed:         126mph

0-60mph:             8.3sec

Economy:            35mpg

1.8-litre inline-four

Power:                 129-133bhp

Top speed:         130mph est.

0-60mph:             8.0sec

Economy:            35mpg

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Text John Tallodi Photos Mazda and Newspress

Author: David Lillywhite

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