The 1986 Mazda RX-7 is often considered a year to avoid due to issues with apex seal failures in its rotary engine and problematic fuel injection systems, leading to reliability concerns and expensive repairs. Owners also report issues with electrical components and rust.
1986 Mazda RX-7 Known Technical Issues
Apex seal failures
The 1986 Mazda RX-7 is notorious for frequent apex seal failures, leading to severe engine damage and costly repairs. Apex seal wear in this model's rotary engine often results from poor lubrication and overheating issues.
Rotary engine reliability
The 1986 Mazda RX-7's rotary engine is notorious for reliability issues such as apex seal wear and overheating, leading to frequent rebuilds and high maintenance costs. Owners often face engine failure due to poor lubrication and cooling system vulnerabilities inherent to this model year.
Problematic fuel injection
The 1986 Mazda RX-7 is known for its problematic fuel injection system, which often causes inconsistent engine performance and frequent stalling. Owners report costly repairs due to clogged injectors and faulty electronic controls impacting fuel delivery efficiency.
Electrical component issues
The 1986 Mazda RX-7 frequently suffers from electrical component failures, including malfunctioning alternators and faulty wiring harnesses that cause intermittent power loss. These persistent electrical issues often lead to expensive repairs and unreliable vehicle performance.
Rust
The 1986 Mazda RX-7 is notorious for severe rust issues, particularly around the wheel arches, floor pans, and sills. Extensive corrosion in these areas can compromise structural integrity and lead to costly repairs.
What is The Mazda RX-7 Best Year?
The best year for the Mazda RX-7 is typically the 1993-1995 FD generation due to its advanced twin-rotor 13B-REW rotary engine offering improved reliability and power output of 255 horsepower. The FD RX-7 features a lightweight chassis, superior handling, and modern aerodynamic design, making it highly desirable among enthusiasts. The 1986 model, part of the first-generation SA/FB series, is often avoided because of common engine issues and less refined technology compared to later iterations.
The Mazda RX-7 Alternative
The 1987 Mazda RX-7 is the closest alternative to avoid the 1986 model year, featuring improved reliability and refined engine components. The 1985 RX-7 is also a solid choice with fewer mechanical issues compared to 1986. Both model years maintain the iconic rotary engine performance without the common 1986 model's fueling problems.
Alternative for Mazda RX-7 from Other Brand
The 1986 Mazda RX-7 is known for reliability issues, making the 1986 Nissan 300ZX a solid alternative with similar sporty performance and strong V6 power. The Nissan 300ZX features advanced technology for its time, including a smooth and responsive engine paired with a durable chassis. For a rotary engine alternative, the 1986 Toyota Supra offers a reliable inline-6 setup with excellent handling and balanced performance.