R18A1 / R18A2 — 1.8L Petrol (2006-2011)
- Power Output
- 140 PS
- Years Fitted
- 2006-2011

Honda Civic 1.8 i-VTEC Specialists
Get quotes today from trusted UK Honda Civic 1.8 i-VTEC engine specialists. Compare prices on reconditioned, rebuilt and used engines to find the most cost-effective, warranty-backed solution for your vehicle.
How it works
Clear information first, then the right engine and specialist for your exact vehicle.
Variant History
When the 1.8 i-VTEC was introduced to the Civic range, it became the definitive naturally aspirated petrol choice, offering a reliable balance of performance and efficiency before the later industry shift to downsized turbocharged units.

R18A1 / R18A2 (1.8L Petrol), 140 PS (Introduced in the 8th generation Civic, featuring Honda’s renowned i-VTEC system for smooth power delivery)
R18Z1 / R18Z4 (1.8L Petrol), 142 PS (9th generation update, featuring refined engine management and slight power output increases for improved efficiency)
End of 1.8 i-VTEC Production (Replaced by 1.0 VTEC Turbo and 1.5 VTEC Turbo engines in the 10th generation, marking the end of the naturally aspirated 1.8L era)
Every engine fitted to the Honda Civic 1.8 i-VTEC is covered below, with UK rebuilt pricing and known failure points.
Engine Codes & Pricing
Find your exact engine code, specs and UK replacement cost guide.

Can’t find your exact engine code?-> Get quotes for R18A1 Honda Civic 1.8 i-VTEC engine replacement
-> Get quotes for R18A1 Honda Civic 1.8 i-VTEC engine replacementCommon Problems
The Honda Civic 1.8 i-VTEC is widely regarded as one of the most reliable naturally aspirated petrol engines of its era. However, higher-mileage examples can develop specific wear patterns, particularly around the timing chain assembly. Rebuilt engines supplied through EnginesMarket include upgraded components addressing these original failure points, plus a minimum 12-month unlimited-mileage warranty.
Common failure points and repair options
Don't accept main dealer replacement quotes that can easily exceed £4,000. By comparing prices through EnginesMarket, you access vetted UK specialists who supply rebuilt Honda Civic 1.8 i-VTEC engines with upgraded components, nationwide delivery, and a minimum 12-month unlimited-mileage warranty.
FAQ
Everything Honda Civic 1.8 i-VTEC owners usually ask before choosing a rebuilt, reconditioned or used replacement engine.
Why Choose Us
Comparing quotes is completely free and carries no obligation. By entering your registration, you ensure that every quote you receive is precisely matched to your Honda Civic 1.8 i-VTEC’s exact engine code, saving you from costly compatibility errors and main dealer markups.
Compare quotes from trusted UK Honda Civic 1.8 i-VTEC engine specialists with warranty-backed rebuilt, reconditioned and used options nationwide.