Cadillac Lyriq Luxury (electric) vs Lexus RX 350 (gas): 5-year cost to own in the U.S.
As of August 6, 2026, over 5 years (U.S. average, 12,000 mi/yr), the Lexus RX 350 (gas) stays the cheaper car to own — about $53,060 vs $75,447 for the Cadillac Lyriq Luxury (electric), a $22,387 difference over 5 years. The expired federal $7,500 EV credit is not applied to either total.
Cheaper to own over 5 yearsLexus RX 350 (gas) · $53,060 total · $22,387 less than the Cadillac Lyriq Luxury (electric)
Cadillac Lyriq Luxury (electric) vs Lexus RX 350 (gas) — where the money goes
| Cost component | Electric · Cadillac Lyriq Luxury | Gas · Lexus RX 350 |
|---|---|---|
| Depreciation (estimated) | $40,256 (53%) | $16,772 (32%) |
| Charging / fuel | $6,211 (8%) | $9,233 (17%) |
| ↳ of which charging loss | 12% (~$745) | — |
| Maintenance | $3,660 (5%) | $6,060 (11%) |
| Insurance | $13,750 (18%) | $11,000 (21%) |
| Financing interest | $10,570 (14%) | $8,995 (17%) |
| Registration & fees | $1,000 (1%) | $1,000 (2%) |
| Total cost of ownership | $75,447 | $53,060 |
The charging-loss row is the ~10–15% of electricity lost to AC charging that you pay for but never reaches the battery — we include it; most calculators don't.
When does the Cadillac Lyriq Luxury (electric) win?
Even at 30,000+ mi/yr or a 15-year hold, the Lexus RX 350 (gas) stays cheaper here — its lower price and slower depreciation dominate. The Cadillac Lyriq Luxury (electric) is the pick mainly for reasons beyond 5-year cost (performance, emissions, HOV access, home-charging convenience).
No sugar-coating it — the Lexus RX 350 (gas) is decisively cheaper: $22,387 over 5 years, about 42% of its total. At default assumptions this one isn't close.
What decides the Cadillac Lyriq Luxury (electric) vs Lexus RX 350 (gas) verdict
One line outweighs everything else here: depreciation. It costs $40,256 on the Cadillac Lyriq Luxury (electric) against $16,772 on the Lexus RX 350 (gas) — a $23,484 swing to the Lexus RX 350 (gas), bigger than the $22,387 that separates the two 5-year totals. On the Cadillac Lyriq Luxury (electric), depreciation alone is 53% of its $75,447 total; on the Lexus RX 350 (gas) it is 32% of $53,060.
- Energy: $6,211 of charging for the Cadillac Lyriq Luxury (electric) vs $9,233 of gas for the Lexus RX 350 (gas) — $3,022 the other way, to the Cadillac Lyriq Luxury (electric).
- Insurance: Cadillac Lyriq Luxury (electric) $13,750, Lexus RX 350 (gas) $11,000 — $2,750 more in the Lexus RX 350 (gas)'s favor.
- Maintenance: Cadillac Lyriq Luxury (electric) $3,660, Lexus RX 350 (gas) $6,060 — $2,400 the other way, to the Cadillac Lyriq Luxury (electric).
The Cadillac Lyriq Luxury (electric)'s best answer is energy — $3,022 back the other way — which covers 13% of the Lexus RX 350 (gas)'s $22,387 lead. The Cadillac Lyriq Luxury (electric) starts $8,375 behind the Lexus RX 350 (gas) at the dealer, and ownership widens it — the 5-year gap grows to $22,387. The Lexus RX 350 (gas) is ahead by $8,941 after the first year and more than doubles that lead — $22,387 by year 5.
Cadillac Lyriq Luxury (electric) vs Lexus RX 350 (gas), side by side
Cadillac Lyriq Luxury (electric)
- 5-yr total cost
- $75,447
- Cost / month
- $1,257
- Cost / mile
- $1.26
- MSRP
- $59,200
- Powertrain
- Electric
- Efficiency
- 38 kWh/100mi
Lexus RX 350 (gas)
- 5-yr total cost
- $53,060
- Cost / month
- $884
- Cost / mile
- $0.88
- MSRP
- $50,825
- Powertrain
- Gas
- Efficiency
- 25 mpg
- Electricity (US avg)
- 18.4¢/kWh EIA
- Gas price (US avg)
- $3.85/gal AAA
Full cost breakdowns
Cadillac Lyriq Luxury (electric) vs Lexus RX 350 (gas) by state
No state's electricity or gas prices flip this verdict at default assumptions — the Lexus RX 350 (gas) is the cheaper car in all 51 states we track.