Build Specs
Live snapshot of the hardware on our 1983 Audi Quattro (Ur-Quattro, Type 85) as it evolves into a street‑legal Group B A1 inspired rally tribute, with in‑progress work and planned upgrades documented in our build log.


Group B Quattro Replica Vision
This build starts with a 1983 Audi Quattro and aims for a street‑legal Audi Quattro A1 tribute: wide‑body, turbo five‑cylinder, quattro permanent four‑wheel drive and rally‑spec stance, with every change documented so it stays usable on real roads while echoing Group B attitude and hardware where possible.
Specs
This is a live document — specs evolve as the build progresses. Items marked “planned” or “TBD” reflect the intended final specification.
Engine
- 2.2l inline-5 (AAN code) 20 valve turbo
- Stock AAN ECU, “chipped”
- Stock AAN rebuilt turbo with massive front intercooler
- Custom cold air intake system
- High flow exhaust manifold and custom 3″ exhaust
- Wagner high flow intake manifold
- Target: period-correct A1-spec power output
Drivetrain
- Stock quattro four-wheel drive system
- Open front and lockable center and rear differentials
- Stock 5-speed manual gearbox with 034 Motorsport short shift kit
Suspension & Brakes
- Custom coilover suspension
- Performance adjustable tie rods and strut tops
- Two piston larger front disc brakes
- Stock rear brakes
Body & Exterior
- 1983 Audi Quattro (Ur-Quattro, Type 85) shell
- Group B Quattro A1-replica wide body kit (Cool Wheels, Latvia)
- Shell rust repair and preparation completed by Cherry Classic Cars
- Arctic l White with Quattro A1 livery, eventually
- Numerous Group B style modifications
- Trunk lid mounted Group B spoiler and oil cooler
Wheels & Tyres
- BRAID tarmac rally wheels, 15×10 with Michelin TB5 265 wide tires
- BRAID gravel rally wheels, 15×7 with MRF gravel tires 195 wide
Interior
- Full strip-out completed
- Roll cage: design and fabrication by TRF Fabrication
- Corbeau carbon/Kevlar rally seats
- Sabelt harnesses: planned
- Group B replica dash with iconic Hella oil pressure warning light dash
