By c2support · October 1, 2026
Replacing a car engine is one of the biggest repair decisions a driver can face. The right choice depends on your budget, how long you plan to keep the car, and whether you want the peace of mind of a warranty. In this guide, we break down the three main options — used, reconditioned, and new — so you can choose with confidence.
A used engine is removed from a donor vehicle, usually after an accident or write-off, and tested before resale. It is the most budget-friendly option and a sensible choice for older cars where a full rebuild would cost more than the car is worth. Every engine we list comes from a vetted UK supplier in our network.
Reconditioned engines are stripped down, inspected, and rebuilt with new wear parts — pistons, bearings, gaskets and seals. They cost more than used engines but come with a longer warranty and far more predictable reliability. If you are planning to keep your car for several more years, this is usually the better long-term value. See our full reconditioned engines range for current prices.
Whichever route you choose, always compare quotes from more than one supplier, confirm the warranty terms in writing, and check whether fitting is included. You can get a free quote from our network in minutes.
A properly reconditioned engine, fitted correctly, can last as long as a new one — often well over 100,000 miles — provided it is serviced on schedule.
Yes. Most suppliers in our network offer up to 12 months warranty on used engines, and up to 24 months on reconditioned units.
Most suppliers can source and fit a replacement engine within 3 to 7 working days, depending on the make and model.