Toyota Aqua2017

Known issues

• Hybrid battery degradation after 10+ years or high mileage (150,000+ km), though Toyota's 5-year/1 million km warranty is industry-leading; replacement costs €3,000–€5,000
• 12V auxiliary battery failure more common than conventional cars due to higher parasitic draw from hybrid electronics; typically fails around 4–6 years
• Air conditioning compressor occasional premature wear in high-use conditions; intermittent cooling or compressor cycling
• CVT transmission rare shuddering on cold start or low-speed manoeuvres (isolated reports; not widespread)
• Brake fluid hygroscopic absorption in humid climates; annual fluid changes recommended to prevent corrosion of ABS solenoids
• EGR valve carbon build-up causing rough idle or stalling, more prevalent in 2017 MY due to stricter emissions calibration

Good for

• Urban and suburban commuting with frequent stop-start cycles where hybrid efficiency excels
• Long-term ownership and low running costs; minimal engine stress extends component lifespan
• Fuel economy; consistently achieves 4.5–5.5L/100km in mixed driving with proper maintenance
• Regenerative braking means brake pads last 80,000–120,000 km compared to 40,000–60,000 km in conventional cars