VVT-i System Sludge / Camshaft Timing Faults
high- Typically appears
- 80–150k mi
- Estimated repair
- $300 – $900
2007 Lexus
RXSUV
SUV
The 2007 Lexus RX 350 is the second generation of Toyota's luxury crossover, riding on a refined platform shared with the Camry/Highlander family. It replaced the V6 from the previous RX 330 with a more powerful 3.5L 2GR-FE engine, boosting output to 270 hp while keeping the ride smooth and quiet — hallmarks of the RX line. This generation cemented the RX as the best-selling luxury SUV in North America for years running. The interior is comfortable and well-built with quality materials that hold up well over time. It's not a truck-based SUV — it's a car-based crossover, which means a compliant ride, easy parking, and no serious off-road capability. Most owners use it exactly as intended: highway commuting, grocery runs, and light snow duty. At this age (17+ years), the RX 350 is firmly in high-mileage territory. The mechanicals are generally sound, but the VVT-i oil control system and aging rubber seals demand attention. A well-maintained example can easily hit 200k+ miles; a neglected one will show it fast.
Reliability
4/5
Verified data
Specs shown for RX 350 2WD — the most common configuration.
Other trims may vary in engine, drivetrain, or fuel economy. Sign in to see your vehicle's exact specs.
Engine
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Drivetrain
FWD
Fuel
Premium gasoline
MPG
18 city / 23 hwy / 20 combined
Seats
—
Doors
—
Body
Sport Utility Vehicle - 2WD
Overview
AI-curatedThe 2007 Lexus RX 350 is the second generation of Toyota's luxury crossover, riding on a refined platform shared with the Camry/Highlander family. It replaced the V6 from the previous RX 330 with a more powerful 3.5L 2GR-FE engine, boosting output to 270 hp while keeping the ride smooth and quiet — hallmarks of the RX line. This generation cemented the RX as the best-selling luxury SUV in North America for years running. The interior is comfortable and well-built with quality materials that hold up well over time. It's not a truck-based SUV — it's a car-based crossover, which means a compliant ride, easy parking, and no serious off-road capability. Most owners use it exactly as intended: highway commuting, grocery runs, and light snow duty. At this age (17+ years), the RX 350 is firmly in high-mileage territory. The mechanicals are generally sound, but the VVT-i oil control system and aging rubber seals demand attention. A well-maintained example can easily hit 200k+ miles; a neglected one will show it fast.
Known for
- Exceptionally smooth, quiet ride for its class
- Strong 3.5L V6 with good long-term durability
- Premium Lexus interior quality and comfort
- High resale value relative to competitors
- Excellent dealer and independent repair support
Best for
- Families wanting a comfortable, low-drama daily driver
- Buyers who prioritize interior refinement over cargo space
- Highway commuters logging 15,000–20,000 miles per year
- Drivers who want luxury feel without European repair costs
Watch for
- VVT-i (variable valve timing) system issues from infrequent oil changes
- Rear differential wear on AWD models — confirm drive type before buying
- Age-related power steering hose and rack leaks
- Brake actuator failures on VSC/ABS system (costly)
- Aging suspension bushings on high-mileage examples
Common issues by mileage
6 knownVVT-i Solenoid Circuit Faults
medium- Typically appears
- 80–160k mi
- Estimated repair
- $200 – $600
ABS/VSC Brake Actuator Failure
medium- Typically appears
- 100–180k mi
- Estimated repair
- $1,200 – $2,800
Power Steering Rack Leak
medium- Typically appears
- 100–200k mi
- Estimated repair
- $600 – $1,400
Oxygen / Air-Fuel Sensor Heater Faults
medium- Typically appears
- 90–160k mi
- Estimated repair
- $150 – $450
Suspension Bushing Wear
high- Typically appears
- 100k+ mi
- Estimated repair
- $400 – $1,200
Maintenance schedule
- 1 Every 5,000 miles or 6 months Engine oil and filter change — full synthetic 5W-30
The 2GR-FE's VVT-i system is oil-pressure-sensitive. Clean oil at short intervals is the single biggest thing you can do to prevent the expensive camshaft timing and OCV issues this engine is known for.
- 2 Every 60,000 miles Transmission fluid change (ATF Type T-IV or equivalent)
Lexus rates this fluid as 'lifetime,' but in practice the 5-speed automatic benefits from a drain-and-fill at 60k intervals, especially on used examples with unknown history. Fresh fluid prevents shudder and shift harshness.
- 3 Every 100,000 miles or 5 years Coolant flush
Toyota Super Long Life Coolant lasts a long time, but degraded coolant accelerates water pump seal wear and can cause head gasket seepage at high mileage.
- 4 Every 90,000–120,000 miles Spark plugs (iridium)
Factory iridium plugs are long-lived but should not be extended past 120k. Worn plugs stress the ignition coils, which are moderately expensive to replace on this V6.
- 5 Every 2 years regardless of mileage Brake fluid flush
Brake fluid absorbs moisture over time, lowering its boiling point. On a vehicle with an expensive ABS/VSC actuator, keeping the hydraulic system clean reduces internal corrosion and may extend actuator life.
- 6 Every 30,000 miles or at each brake pad replacement Inspect and lubricate front/rear brake calipers and slides
Caliper slides seize in Wisconsin salt environments, causing uneven pad wear and premature rotor damage. Cheap to address proactively, expensive to ignore.
- 7 Every 30,000 miles or annually Inspect power steering fluid level and hoses
Hydraulic PS hoses on this generation are over 17 years old. Catching a weeping hose before it fails saves the PS pump and avoids a roadside breakdown.
- 8 Every 20,000–30,000 miles Cabin and engine air filter replacement
A clogged engine air filter hurts fuel economy and can cause mass airflow sensor contamination. The cabin filter is a comfort item but also protects the HVAC evaporator from debris buildup.
Always defer to the manufacturer's service manual for warranty-mandated intervals.
Cost of ownership
Annual maintenance
$600 – $1,400
Fuel
Expect roughly $2,000–$2,800/year at 15,000 miles assuming mid-grade pump prices. The EPA rates this at 20 mpg combined; real-world in mixed Wisconsin driving tends to land 18–19 mpg.
Insurance
Typically $1,000–$1,600/year for a driver with a clean record in the Lake Geneva area. Luxury SUV rating applies but the RX's strong safety record keeps it from the top tier.
For a 17-year-old Lexus luxury SUV, this is a reasonable cost-of-ownership vehicle. Routine maintenance is the main annual spend on a well-kept example. The big risks are the ABS actuator (~$1,500–$2,800 if it fails) and VVT-i work if oil changes were deferred. Budget a $1,000–$1,500 contingency fund annually. Parts availability is excellent; most independent shops can handle this vehicle without dealer tools.
Seasonal care
Lake Geneva, WI Winter
- Switch to a dedicated winter tire set — the RX's FWD setup has limits on packed snow and ice, and all-seasons are a compromise in Wisconsin winters.
- Test the battery before November. Cold-cranking amps drop sharply below 20°F, and a marginal battery that starts fine in October will often fail in January.
- Check brake fluid condition — moisture-laden fluid has a lower boiling point AND accelerates internal ABS actuator corrosion, which is already a known weakness on this vehicle.
- Top off washer fluid with a rated -20°F or colder formula. The reservoir is large but empties fast on salty Wisconsin roads.
- Inspect undercarriage rubber — brake lines, fuel lines, and PS hoses accumulate road salt. A quick rinse at a self-serve car wash on warm days above freezing goes a long way.
- Keep fuel tank at least half full — it adds weight over the drive wheels and prevents fuel line moisture issues in extreme cold.
Summer
- Check tire pressure after the first hot week — pressures rise 1 PSI for every 10°F increase in ambient temperature, and overinflated tires reduce wet-weather grip.
- Inspect and recharge the A/C system if cooling feels weak — at this age the condenser and hoses can develop small refrigerant leaks. Don't wait until a hot July to find out.
- Check coolant level and condition — the 2GR-FE runs warm under load; make sure the cooling system is full and the coolant hasn't gone acidic.
- Inspect wiper blades — UV degradation from summer sun cracks the rubber, and you want fresh blades ready before fall rains and first snow.
Comparable vehicles
2007 Acura
MDX
Three-row luxury SUV in the same price band with a proven Honda V6; slightly more cargo and seating but a less refined ride than the RX.
2007 BMW
X5
Similar luxury crossover positioning with a sportier driving character, but significantly higher repair costs and less long-term reliability than the Lexus.
2007 Volvo
XC90
Comparable luxury family hauler with available third-row seating. Good safety record, but more complex and costlier to maintain at high mileage.
2007 Toyota
Highlander
Shares the same platform and 2GR-FE engine as the RX 350 at a meaningfully lower price. Less premium interior but nearly identical mechanical reliability and lower ownership cost.