The Toyota Supra occupies a unique position in the modified car insurance market. The MkIV JZA80 (1993–2002) has appreciated to values of $80,000–$200,000+ for stock examples, with highly modified builds exceeding $300,000. The A90 GR Supra (2019–present) combines factory B58 turbo power with an enormous aftermarket. Both require specialist modified car insurance — standard market value policies are grossly inadequate for serious Supra builds.

MkIV Supra (JZA80): Insurance Considerations

The 2JZ-GTE engine’s reputation for limitless tuning potential means most JZA80s are modified. Insurance considerations:

• Agreed value is essential — stock MkIV Supras are now collector cars worth $80,000–$200,000
• Single or twin turbo upgrades (GT35R, Precision, Garret) must all be declared
• Power outputs of 500–1,500whp are common — each level affects underwriting differently
• Engine swap history (some 2JZs are swapped into other chassis) must be documented
• Import status (JDM vs USDM) affects documentation requirements

A90 GR Supra: Insurance Considerations

The B58-engined GR Supra is heavily supported by the aftermarket:

• Stage 1 tune alone adds 80–100hp — declarable from the first modification
• Pure Turbos, Vargas Turbos, and Eventuri intake kits are popular — all must be declared
• Port injection kits (MHD, JB4) are a grey area — declare them regardless
• Aggressive stage 2/3 builds can reach 650–800whp — requires high-performance specialist cover

Agreed Value for Supra Builds

For MkIV Supras, agreed value insurance is non-negotiable — the gap between collector market value and standard book value can be $100,000+ on clean manual turbo examples. Professional appraisal from a Toyota specialist or JDM specialist appraiser supports the agreed value figure. Most agreed value specialists accept Supra appraisals from recognised Toyota marque specialists.