Boost pressure was 7.25 psi (0.5 bar) for Australian model vs 8.5 psi (0.6 bar) of the North American and Japanese models which is the main contributor to the power difference. It was also slightly detuned with only 121 kW (162 bhp). This model was also marketed in Australia as an MX-5 SE without any Mazdaspeed branding (exhaust tip excluded), featured 3.63 diff gears and was available in Sunlight Silver as well as Velocity Red Mica, Titanium Gray Metallic and Black Mica for 2005. Of the 5,428 Mazdaspeed MX-5s produced during model years 20, 4,000 were produced in 20 production run was shortened to only 1428, due to a fire at the production facility. The 2004 Mazdaspeed MX-5 was only available in Velocity Red Mica and Titanium Gray Metallic for the US-market and Velocity Red Mica for the Canadian-market while the 2005 model was available additionally in Lava Orange Mica and Black Mica in the US-market, with Canada receiving only Titanium Grey Mica. Therefore the compression is a bit high for a turbo engine and the internals are not particularly strong. ![]() Perhaps the most obscure detail change of the MazdaSpeed overhaul of the MX-5 was the fitment of a custom, lightweight oil dipstick. Unfortunately, Mazda took the exact same engine in the 2.0 ES, Protege5 or MP3 and threw a turbo onto it. Other features included upgraded 6-speed transmission and clutch assemblies, upgraded drivetrain components, Racing Hart 17 in (430 mm) alloy wheels, special interior trim. The only consideration here is that the MSP requires premium fuel. The turbocharged car used 10 L/100 km (city) and 7.3 L/100 km (highway), numbers virtually the same as those for non-turbo, 2.0-litre Protegés. With its upgraded suspension and wider tires, the Mazdaspeed model could pull over 0.98 g in lateral grip. Despite the MazdaSpeed Protegé’s extra power, fuel consumption wasn’t affected, according to Natural Resources Canada’s testing. ![]() The MAZDASPEED could reach 60 mph (97 km/h) in 6.2 seconds but had a top speed of only 203 km/h (126 mph) due to its low 6,500 rev limiter. It featured an IHI RHF5 VJ35 turbocharger equipped variant of the BP-4W engine that produced 180 bhp (134 kW) at 6000 rpm with a front-mounted air-to-air intercooler. The 2004 model year saw the introduction of the official turbocharged Mazdaspeed MX-5, Roadster Turbo in Japan.
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