Tesla Semi Uptime Numbers: Why EV Reliability Matters for Novated Leasing
Tesla's new Semi uptime data shows EVs outperforming diesel on reliability. Here's what that means if you're considering a novated lease on an electric vehicle.
Tesla has released new data showing its Semi electric truck spends less time out of service than comparable diesel trucks, according to a report by The Driven (Source 1). The headline finding: electric drivetrains, with fewer moving parts than internal combustion engines, appear to translate into real-world reliability gains — not just theory.
Now, the Tesla Semi is a heavy commercial vehicle, not a passenger car. But the underlying point matters for anyone sitting on the fence about whether an EV is a sensible long-term choice under a novated lease.
What this means for novated lease customers
One of the most common objections we hear about EVs and novated leasing is: 'What if it's always in for repairs?' The Tesla Semi data, while from a different vehicle class, adds to a growing body of evidence that EVs tend to have lower mechanical downtime than their petrol or diesel equivalents. Fewer fluids, no exhaust system, no timing belt — there's simply less that can go wrong.
For a novated lease specifically, reliability is a financial consideration, not just a convenience one. Your lease payments run whether the car is on the road or not. A vehicle that's less likely to be sitting at a dealership waiting on parts is a vehicle that's working for your budget.
Combine that with the existing FBT exemption on eligible battery electric vehicles — which currently removes fringe benefits tax entirely for many passenger EVs under the luxury car tax threshold — and the case for going electric through a novated lease is built on more than just tax savings. It increasingly rests on the fundamentals of the vehicle itself.
Common questions
Does the Tesla Semi uptime data apply to Tesla passenger vehicles like the Model 3 or Model Y?
Not directly — the Semi is a heavy commercial truck. But the core mechanical advantage (fewer moving parts, no combustion engine) applies across Tesla's passenger lineup too. EV maintenance costs and downtime are generally lower across the segment, not just for Tesla.
Is an EV actually worth it under a novated lease compared to a petrol car?
For many PAYG employees, yes — particularly because eligible battery EVs currently attract no fringe benefits tax, which is a significant structural advantage. Whether it's the right fit depends on your salary, km requirements, and charging situation. That's what a proper quote is for.
Which EVs are eligible for the FBT exemption on novated leases?
Battery electric vehicles (BEVs) and plug-in hybrid electric vehicles (PHEVs, with important cut-off dates) that fall below the luxury car tax threshold for fuel-efficient vehicles may be eligible. The ATO sets and updates these thresholds — always confirm current eligibility before signing anything.
Does lower maintenance cost actually show up in my novated lease?
It can. Most novated leases bundle a running-cost budget that includes servicing, tyres, and registration. If your actual maintenance spend comes in under budget, the surplus typically stays in your salary-packaged account — meaning lower real-world costs can directly benefit you.