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Mazda rotary engines have a reputation for being relatively small and powerful at the expense of poor fuel efficiency. The engines became popular with kit car builders, hot rodders and in light aircraft because of their light weight, compact size, tuning potential and inherently high power-to-weight ratio—as is true for all Wankel-type engines.
Although Mazda is well known for their Wankel "rotary" engines, the company has been manufacturing piston engines since the earliest years of the Toyo Kogyo company. Early on, they produced overhead camshaft, aluminum blocks, and an innovative block containing both the engine and transmission in one unit. This section summarizes piston engine ...
The Mazda RX-8 is a sports car manufactured by Japanese automobile manufacturer Mazda between 2003 and 2012. It was first shown in 2001 at the North American International Auto Show. It is the direct successor to the RX-7. [4] Like its predecessors in the RX range, it is powered by a rotary Wankel engine. The RX-8 was available for the 2003 ...
The Mazda RX-Vision Concept, powered by a Skyactiv-R rotary engine, was unveiled in 2015 Tokyo Motor Show. [57] In 2023, Mazda unveiled the first production version of this generation of rotary engines. Used in the Mazda MX-30 R-EV, the engine provides 56 kW (75 hp) at 4500rpm and has a displacement of 830 cc in a single-rotor design. [58]
The Mazda RX-8 Hydrogen RE is a 2003 bi-fuel version of the RX-8 sports car, in which the twin-rotor wankel rotary engine is configured to run on either hydrogen or gasoline. This is the fifth Mazda vehicle to be fitted with a hydrogen wankel rotary engine .
In October 2015, Mazda unveiled the RX-Vision concept car at the Tokyo Motor Show, powered by a new rotary engine and featured design cues reminiscent of the third generation RX-7. A production-ready concept could have followed suit by 2017, marking 50 years since the revealing of Mazda's first rotary-powered sports car, the Cosmo. [42]
Mazda 20B-REW three rotor engine. Two engines were available, and both were equipped with twin sequential turbochargers; the two-rotor 13B-RE and the three-rotor 20B-REW. The triple rotor 20B had 2 litres (1962 cc) of displacement, making it the largest capacity rotary offered for sale by Mazda.
Mazda Rotary Pickup, with wheels from a 1986–89 Mazda B-Series LX. The Rotary Engine Pick-up (REPU) was the world's first and only Wankel-engined pickup truck. [ 10 ] It was sold from 1974 to 1977 and was only available in the North American Market.