Nissan Skyline 25GT Turbo Coupé (ER34) 1998

£24,500
10/01/26
CAR OVERVIEW
Nissan Skyline 25GT Turbo Coupé (ER34) 1998
Overview
This Nissan Skyline 25GT Turbo is a heavily modified ER34 from the R34 generation, combining the sought-after RB25DET turbocharged straight-six with a 5-speed manual transmission and rear-wheel drive. Finished in yellow with a red interior, this example reflects the period Japanese tuning culture with a comprehensive list of performance and aesthetic upgrades already fitted.
Chassis number
ER34-004525
Auction grade
- Overall grade 3.5
- Interior grade B
Mileage
- 155,530 km
- 96,642 miles
Engine and drivetrain
- 2.5-litre RB25DET turbocharged inline-six petrol engine
- 5-speed manual transmission
- Rear-wheel drive
Equipment and features
- Sunroof
- Air conditioning
- Power steering
- Power windows
- Aftermarket bucket seats
- MOMO steering wheel
- Performance and modification highlights:
- HKS GT-RS turbocharger
- TRUST intercooler
- TRUST oil cooler
- TE37 alloy wheels
- Blitz blow-off valve
- SplitFire ignition coil packs
- ECU unlocked / modified
- OP GT-R style aero components
- NISMO rear wing mounts
Condition overview
Exterior condition
The exterior is graded 3.5. Inspection notes record cosmetic wear consistent with age and use, including scratches and paint damage marked across multiple panels. A previous structural repair is recorded to the roof area, as indicated by XX markings on the inspection diagram.
Interior condition
The interior carries a B grade. The red cabin presents tidily overall, with only light wear noted relative to the mileage and level of modification.
Mechanical condition
Inspector notes reference an engine oil leak, along with power steering and power window operation issues. The ECU has been opened and modified, consistent with the extensive performance upgrades fitted to the vehicle.
Maintenance and provenance
- First registered June 1998
- Mileage recorded at 155,530 km
- Japanese-market ER34 Skyline
- Modified vehicle with documented upgrades
Summary
This 1998 Nissan Skyline 25GT Turbo is a well-known R34 platform enhanced with a strong selection of aftermarket performance parts, including an HKS GT-RS turbo and supporting cooling upgrades. The manual RB25DET drivetrain, combined with period-correct modifications, makes this an appealing example for buyers interested in a tuned Skyline with established specification.
AUCTION CAUTION NOTES
CAR OVERVIEW

A1- Small scratch
A2- Scratch
A3- Large scratch
E1- Few dimples
E2- Many dimples
E3- Heavy dimples
U1- Small dent
U2- Dent
U3- Large dent
W1- Repair mark / wave
W2- Wavy panel
S1- Rust
S2- Heavy rust
C1- Corrosion
P- Paint marked / faded
H- Faded / need polish
X- Element requires replacement
XX- Replaced after accident
*- Light scratch / polish
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