What it's like to repair and maintain modern cars:
To reseal the timing cover on a V6 Porsche Macan you have to drop the entire engine out, including transmission and entire front subframe.
If you change wheel size on an early Cayenne you burn out the clutches on the transfer case.
To change the air filter on a Panamera you have to take the front bumper off.
To change spark plugs on a 964 911 you have to drop the engine.
The master cylinder for the clutch on the 993 is located inside the car. Leak = carpet drenched.
If you lift any Porsche (Also applies to Audis) with air suspension in any sort of way without turning it off, the compressor kicks in and begins to fill the air strut until it explodes.
To change one of the injectors on a 7.3 Ford E-350 (I forget which injector exactly), you have to disassemble it while installed in the head, because otherwise it gets trapped between the engine and the chassis.
To drain coolant on a 6.6 diesel Chevrolet Express you have to take the hose out of the water pump, because the radiator has no petcock. Also, changing the belt becomes an hour long affair because the cramped engine bay means taking off several intercooler hoses and the top half of the fan shroud.
Taking the alternator out of a V8 Bi-Turbo G Wagon is impossible unless you either remove the radiator or use a long prybar to wedge the engine away enough to make space.
To change the lower control arms on a 2004ish style Corolla, you have to loosen the subframe entirely, because the transmission blocks one of the bolts.
The starter on some BMWs and Toyota trucks lies under the intake manifold, which requires the removal of it.
Merely loosening the harmonic balancer in a Mazda (I forget which at the moment, I think the older CX-9s) throws the entire engine out of timing.
2.4 Ecotec Chevrolet Cavaliers require a special tool to mount the water pump, because it is driven by the timing chain, not the drive belt.
To replace the oil pan gasket in a 7.3 Ford E-450, you have to remove the transmission.
To replace lower control arms on 2007 style Camrys, you have to take off three engine mounts.
Numerous Toyotas have a clutch inside the alternator that goes bad and ends up sounding like the engine is about to throw a rod out the side of the block. The clutch is non-serviceable, so you have to buy an entire alternator.
To replace the thermostat on a VW TDI engine, you need to drain all the coolant and remove the throttle body and alternator.
Changing the battery on a modern Fiat will sometimes turn on the red battery light permanently until you take it to a dealer to have the battery module reprogrammed to accept the new battery.
2002ish style Pathfinders have the fuel pump at the bottom of the tank attached with clips. You have to put your whole arm inside to reach it.
2006ish style Sequoias have the A/C evaporator drain hose directly over the sway bar bushing bolts, so they get incredibly rusted if not maintained properly.
2009ish style VW Golfs have the hood release attached with a plastic clip that breaks after 5-10 years. The only way to open the hood is to take off the entire front clip and fenders.
The battery on a Peugeot 407 is in the trunk. The extra resistance means the battery cables have to be 3x bigger than normal to start the car without melting.