Gold 0.21%
£3,280.17 OZ
Silver -2.37%
£48.98 OZ
Platinum -0.49%
£1,351.51 OZ
The Silver Britannia is capital gains tax free in the UK, making is a very popular choice with UK investors
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Platinum/palladium substitution has become a defining trend in the global automotive and precious metals sectors. This dynamic shift—where automakers replace one platinum group metal (PGM) with another in catalytic converters—reflects evolving price dynamics, supply considerations, and technological advances.
Understanding the drivers behind this substitution, supported by empirical data and concrete examples, is crucial for investors and industry stakeholders navigating this changing landscape.
The primary catalyst for platinum/palladium substitution has been price dynamics. For decades, palladium was the cheaper and more common choice for gasoline engine catalytic converters, while platinum was dominant in diesel engines.
However, from 2018 onward, palladium prices surged, driven by strong demand, supply constraints—particularly from Russia—and tightening emissions standards. This led to palladium prices more than doubling relative to platinum, creating a powerful incentive for automakers to substitute platinum, which offered similar catalytic performance at a significantly lower cost.
Yet, substitution isn’t simple. Redesigning catalytic converters to accommodate a different metal involves technical adjustments, regulatory testing, and is typically aligned with new vehicle model introductions—representing only about 15% of annual production. Once a substitution is implemented in a vehicle platform, it generally remains for the model’s full seven-year lifecycle.
Recent years have seen a marked shift from palladium to platinum in catalytic converters, driven by changing prices and regulations. This substitution is reshaping demand in the automotive sector, as platinum regains a stronger role in emissions control and sustainability.
The scale of platinum/palladium substitution is now measurable. In 2022, 360,000 ounces of palladium were replaced with platinum, representing an 80% increase over the prior year. This trend continued in 2023, with the figure growing to approximately 540,000 ounces, a further 50% increase, as automakers adapted to market conditions. Correspondingly, total platinum demand in automotive applications rose by 12% in 2022, reaching 2,957 koz. Projections for 2023 suggest another 10% increase, pushing demand to 3,246 koz—a level 13% higher than in 2019, despite global vehicle production remaining below pre-pandemic levels.
The resilience of platinum demand is supported by multiple factors. Tightening emissions standards are compelling automakers to increase PGM loadings per vehicle to meet stringent regulatory requirements. Furthermore, the growing market share of hybrid vehicles, whose engines switch on and off frequently, requires higher platinum loadings to maintain optimal catalytic converter performance. This combination of environmental regulation and technological evolution continues to strengthen platinum’s role in the automotive sector.
The industry’s use of PGMs has long been influenced by changes in fuel quality, emissions standards, and metal price differentials. During the 2000s, a significant decline in fuel sulphur content allowed the substitution ratio between palladium and platinum in gasoline autocatalysts to shift from 2:1 to 1:1. This facilitated a gradual replacement of platinum with palladium in gasoline catalysts, establishing palladium as the dominant choice, while platinum maintained its position in diesel vehicles. However, with platinum prices falling and palladium supply tightening, the industry has shifted back toward platinum in recent years, illustrating the cyclical nature of substitution trends.
Platinum-for-palladium substitution surged to 360,000 ounces in 2022 (up 80% from 2021) and 540,000 ounces in 2023, driving platinum automotive demand up 12% in 2022 and another 10% in 2023. Emissions rules and hybrid vehicle growth boosted demand, while lower platinum prices and tighter palladium supply restored platinum’s role, reflecting the cyclical nature of substitution.
Once platinum-for-palladium substitution is implemented in a vehicle platform, increased platinum demand continues for its lifespan, regardless of price changes. Even if prices reach parity, substitution sustains higher platinum demand—typically for seven years.
This explains why platinum automotive demand keeps rising despite vehicle production fluctuations. In 2022, production was 82 million units, 8% below 2019’s 89 million. In 2023, production climbed to 93.5 million units, surpassing the forecast of 86 million. Yet, platinum demand has exceeded 2019 levels, driven by substitution and increased loadings.
Both platinum and palladium possess the chemical and physical properties required for effective autocatalysis. However, platinum offers higher recycling rates, with approximately 30%–40% of annual demand met by recycled materials from automotive, jewelry, and industrial sources. This gives platinum a sustainability and cost advantage, especially as automakers and investors place greater emphasis on ESG (Environmental, Social, Governance) goals.
Palladium, by contrast, faces supply concentration risks, with around 40% of global production sourced from Russia. Geopolitical instability and the potential for sanctions have raised concerns about supply security, making platinum’s diversified sourcing more attractive.
Technically, palladium retains a slight performance advantage in high-temperature gasoline engine conditions. However, as hybrid vehicles gain market share and regulatory pressures mount, platinum’s competitive positioning is strengthening, particularly in regions prioritizing supply security and sustainability.
In 2024 and 2025, the pace of substitution has begun to moderate as palladium prices declined and approached parity with platinum. Without a significant price differential, the incentive to redesign catalytic systems diminishes. However, the platinum demand created by substitution to date remains locked in for years to come.
Longer-term trends will be influenced by the rise of battery electric vehicles (BEVs), which do not use catalytic converters, and by the sustained growth of hybrids, which still rely on PGMs. The evolving balance between these technologies, regulatory shifts, and recycling dynamics will shape the future of platinum/palladium substitution and PGM demand overall.
For investors, platinum/palladium substitution presents both opportunity and risk. The aggressive shift since 2018 has boosted platinum demand and supported its price recovery. Even as substitution slows in 2024–2025, existing vehicle platforms ensure sustained platinum consumption.
Platinum’s fundamentals—high recycling rates, diversified supply, and improving prices—make it an attractive medium- to long-term investment. Palladium, in contrast, faces challenges from concentrated supply, lower recycling rates, and declining demand due to BEVs. Companies like BASF, Johnson Matthey, and major South African miners stand to benefit from these dynamics.
Investors should track substitution trends, vehicle technologies, regulations, and geopolitical risks to navigate the evolving PGM market and seize future opportunities.
Investing in Platinum
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